Diamond Bar, California

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Population in 2021: 53,857 (100% urban, 0% rural).
Population change since 2000: -4.3%
 
Males: 26,036  (48.3%)
Females: 27,821  (51.7%)
Median resident age:

44.6 years
California median age:

37.6 years

Zip codes: 91765, 91768, 91789.

Diamond Bar Zip Code Map
Estimated median household income in 2021: $102,213 (it was $68,871 in 2000)
Diamond Bar:

$102,213
CA:

$84,907

Estimated per capita income in 2021: $42,891 (it was $25,472 in 2000)

Diamond Bar city income, earnings, and wages data

Estimated median house or condo value in 2021: $782,199 (it was $237,800 in 2000)
Diamond Bar:

$782,199
CA:

$648,100

Mean prices in 2021: all housing units: $944,171; detached houses: over $1,000,000; townhouses or other attached units: $583,082; in 2-unit structures: $391,870; in 3-to-4-unit structures: $817,815; in 5-or-more-unit structures: $474,200; mobile homes: $169,708

Median gross rent in 2021: $2,303.

March 2022 cost of living index in Diamond Bar: 138.1 (high, U.S. average is 100)
Percentage of residents living in poverty in 2021: 7.9%
(7.9% for White Non-Hispanic residents, 5.5% for Black residents, 8.0% for Hispanic or Latino residents, 6.4% for American Indian residents, 10.2% for Native Hawaiian and other Pacific Islander residents, 7.6% for other race residents, 5.7% for two or more races residents)

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  • Races in Diamond Bar, CA (2021)
    • 33,07060.9%Asian alone
    • 9,72017.9%Hispanic
    • 7,39613.6%White alone
    • 2,0743.8%Black alone
    • 1,7933.3%Two or more races
    • 2700.5%Other race alone
    • 940.2%Native Hawaiian and Other
      Pacific Islander alone
    • 630.1%American Indian alone

Races in Diamond Bar detailed stats: ancestries, foreign born residents, place of birth



According to our research of California and other state lists, there were 23 registered sex offenders living in Diamond Bar, California as of March 19, 2024.
The ratio of all residents to sex offenders in Diamond Bar is 2,474 to 1.
The ratio of registered sex offenders to all residents in this city is much lower than the state average.


Crime rates in Diamond Bar by year

Type

2007

2008

2009

2010

2011

2012

2013

2014

2015

2016

2017

2018

2019

2020

Murders
(per 100,000)
3
(5.2)
0
(0.0)
0
(0.0)
0
(0.0)
2
(3.6)
0
(0.0)
0
(0.0)
0
(0.0)
1
(1.8)
2
(3.5)
0
(0.0)
2
(3.5)
1
(1.8)
0
(0.0)
Rapes
(per 100,000)
9
(15.5)
4
(7.0)
4
(7.0)
4
(7.2)
6
(10.7)
1
(1.8)
3
(5.3)
6
(10.6)
4
(7.0)
4
(7.0)
5
(8.8)
7
(12.3)
4
(7.1)
7
(12.6)
Robberies
(per 100,000)
55
(94.9)
42
(73.1)
40
(69.8)
14
(25.2)
24
(42.7)
17
(30.1)
25
(44.2)
13
(22.9)
28
(49.0)
22
(38.5)
25
(43.9)
30
(52.8)
25
(44.4)
17
(30.5)
Assaults
(per 100,000)
66
(113.9)
38
(66.1)
42
(73.3)
30
(54.0)
26
(46.3)
37
(65.5)
34
(60.1)
30
(52.9)
25
(43.8)
38
(66.5)
27
(47.4)
19
(33.4)
42
(74.5)
38
(68.2)
Burglaries
(per 100,000)
362
(624.6)
334
(581.0)
244
(425.6)
250
(450.1)
254
(452.0)
354
(626.9)
344
(607.6)
263
(464.1)
280
(490.5)
364
(636.8)
381
(668.5)
360
(633.6)
282
(500.3)
236
(423.4)
Thefts
(per 100,000)
602
(1,039)
610
(1,061)
564
(983.8)
480
(864.2)
473
(841.7)
525
(929.7)
476
(840.7)
400
(705.9)
427
(748.0)
495
(866.0)
592
(1,039)
521
(916.9)
574
(1,018)
472
(846.9)
Auto thefts
(per 100,000)
94
(162.2)
88
(153.1)
86
(150.0)
78
(140.4)
51
(90.8)
73
(129.3)
66
(116.6)
59
(104.1)
97
(169.9)
72
(126.0)
70
(122.8)
55
(96.8)
52
(92.3)
85
(152.5)
Arson
(per 100,000)
6
(10.4)
8
(13.9)
1
(1.7)
2
(3.6)
5
(8.9)
4
(7.1)
1
(1.8)
2
(3.5)
3
(5.3)
3
(5.2)
2
(3.5)
5
(8.8)
2
(3.5)
4
(7.2)
City-Data.com crime index172.3136.1122.3101.4110.3115.0115.095.0110.4126.7127.8128.2120.6108.5

The City-Data.com crime index weighs serious crimes and violent crimes more heavily. Higher means more crime, U.S. average is 254.8. It adjusts for the number of visitors and daily workers commuting into cities.

- means the value is smaller than the state average.
- means the value is about the same as the state average.
- means the value is bigger than the state average.
- means the value is much bigger than the state average.
Click on a table row to update graph
City-data.com crime index in Diamond Bar, CA

Crime rate in Diamond Bar detailed stats: murders, rapes, robberies, assaults, burglaries, thefts, arson

Full-time law enforcement employees in 2015, including police officers: 1 (1 officers - 1 male; 0 female).
Officers per 1,000 residents here:

0.02
California average:

1.98
Recent articles from our blog. Our writers, many of them Ph.D. graduates or candidates, create easy-to-read articles on a wide variety of topics.

Latest news from Diamond Bar, CA collected exclusively by city-data.com from local newspapers, TV, and radio stations

Current Local Time: PST time zone

Elevation: 720 feet

Land area: 14.8 square miles.

Population density: 3,649 people per square mile   (average).

Diamond Bar, California map

24,766 residents are foreign born (41.1% Asia).

This city:

45.6%
California:

26.5%

Median real estate property taxes paid for housing units with mortgages in 2021: $6,367 (0.8%)
Median real estate property taxes paid for housing units with no mortgage in 2021: $5,257 (0.7%)

Nearest city with pop. 200,000+: East San Gabriel Valley, CA (5.3 miles , pop. 933,557).

Nearest city with pop. 1,000,000+: Los Angeles, CA (32.4 miles , pop. 3,694,820).

Nearest cities:

Walnut, CA (1.7 miles ),
Rowland Heights, CA (2.1 miles ),
Sleepy Hollow, CA (2.1 miles ),
South San Jose Hills, CA (2.2 miles ),
East San Gabriel Valley, CA (2.3 miles ),
Pomona, CA (2.4 miles ),
Chino Hills, CA (2.4 miles ),
Brea, CA (2.6 miles )

Latitude: 34.00 N, Longitude: 117.82 W

Daytime population change due to commuting: -9,511 (-17.5%)
Workers who live and work in this city: 5,653 (22.5%)

Area code: 909

Distribution of median household income in Diamond Bar, CA in 2021
Distribution of house value in Diamond Bar, CA in 2021

Property values in Diamond Bar, CA

Diamond Bar satellite photo by USGS

Single-family new house construction building permits:

  • 2021: 20 buildings, average cost: $368,000
  • 2020: 21 buildings, average cost: $366,600
  • 2019: 16 buildings, average cost: $372,100
  • 2018: 31 buildings, average cost: $372,100
  • 2017: 77 buildings, average cost: $456,500
  • 2016: 9 buildings, average cost: $511,700
  • 2015: 114 buildings, average cost: $267,800
  • 2014: 44 buildings, average cost: $301,600
  • 2013: 6 buildings, average cost: $1,560,800
  • 2012: 4 buildings, average cost: $1,639,600
  • 2011: 20 buildings, average cost: $242,000
  • 2010: 21 buildings, average cost: $242,700
  • 2009: 26 buildings, average cost: $240,100
  • 2008: 34 buildings, average cost: $246,900
  • 2007: 70 buildings, average cost: $211,500
  • 2006: 123 buildings, average cost: $209,000
  • 2005: 16 buildings, average cost: $296,800
  • 2004: 18 buildings, average cost: $233,400
  • 2003: 14 buildings, average cost: $740,100
  • 2002: 29 buildings, average cost: $554,300
  • 2001: 125 buildings, average cost: $463,300
  • 2000: 27 buildings, average cost: $710,200
  • 1999: 48 buildings, average cost: $452,000
  • 1998: 102 buildings, average cost: $133,000
  • 1997: 17 buildings, average cost: $125,700
Number of permits per 10,000 Diamond Bar, CA residents
Average permit cost in Diamond Bar, CA
Unemployment in November 2020:
Here:

4.0%
California:

4.8%
Unemployment by year
Population change in the 1990s: +2,600 (+4.8%).
Most common industries in Diamond Bar, CA (%)
Both Males Females
Most common industries in 2000
  • Educational services (11.1%)
  • Health care (9.1%)
  • Finance & insurance (7.6%)
  • Professional, scientific, technical services (7.2%)
  • Public administration (4.6%)
  • Construction (4.2%)
  • Accommodation & food services (3.2%)
Most common industries for males in 2000
  • Professional, scientific, technical services (8.3%)
  • Construction (6.6%)
  • Finance & insurance (6.0%)
  • Educational services (5.9%)
  • Public administration (4.9%)
  • Health care (4.9%)
  • Accommodation & food services (3.1%)
Most common industries for females in 2000
  • Educational services (17.3%)
  • Health care (14.3%)
  • Finance & insurance (9.4%)
  • Professional, scientific, technical services (5.9%)
  • Public administration (4.2%)
  • Social assistance (3.3%)
  • Accommodation & food services (3.2%)
Most common occupations in Diamond Bar, CA (%)
Both Males Females
Most common occupations in 2000
  • Other sales and related occupations, including supervisors (5.7%)
  • Other management occupations, except farmers and farm managers (5.7%)
  • Sales representatives, services, wholesale and manufacturing (4.7%)
  • Preschool, kindergarten, elementary, and middle school teachers (4.6%)
  • Other office and administrative support workers, including supervisors (4.6%)
  • Retail sales workers, except cashiers (3.7%)
  • Top executives (3.4%)
Most common occupations for males in 2000
  • Other sales and related occupations, including supervisors (6.9%)
  • Other management occupations, except farmers and farm managers (6.7%)
  • Sales representatives, services, wholesale and manufacturing (6.1%)
  • Engineers (5.1%)
  • Top executives (4.7%)
  • Computer specialists (4.2%)
  • Retail sales workers, except cashiers (3.6%)
Most common occupations for females in 2000
  • Preschool, kindergarten, elementary, and middle school teachers (7.5%)
  • Other office and administrative support workers, including supervisors (7.4%)
  • Secretaries and administrative assistants (5.5%)
  • Registered nurses (5.1%)
  • Other management occupations, except farmers and farm managers (4.5%)
  • Other sales and related occupations, including supervisors (4.2%)
  • Retail sales workers, except cashiers (3.7%)

Average climate in Diamond Bar, California

Based on data reported by over 4,000 weather stations

Diamond Bar, California average temperatures Diamond Bar, California average precipitation Diamond Bar, California humidity Diamond Bar, California wind speed Diamond Bar, California snowfall Diamond Bar, California sunshine Diamond Bar, California clear and cloudy days

Diamond Bar, California environmental map by EPA

Map Legend

Air pollution and air quality trends
(lower is better)
AQI CO NO2 SO2 Ozone PM10 PM2.5 Pb
Air Quality Index

Air Quality Index (AQI) level in 2018 was 145. This is significantly worse than average.

City:

145
U.S.:

74
Carbon Monoxide Level

Carbon Monoxide (CO) [ppm] level in 2018 was 0.368. This is worse than average. Closest monitor was 3.2 miles away from the city center.

City:

0.368
U.S.:

0.267
Nitrogen Dioxide Level

Nitrogen Dioxide (NO2) [ppb] level in 2018 was 15.5. This is significantly worse than average. Closest monitor was 3.2 miles away from the city center.

City:

15.5
U.S.:

5.6
Sulfur Dioxide Level

Sulfur Dioxide (SO2) [ppb] level in 2018 was 0.378. This is significantly better than average. Closest monitor was 6.0 miles away from the city center.

City:

0.378
U.S.:

1.789
Ozone Level

Ozone [ppb] level in 2018 was 27.1. This is better than average. Closest monitor was 3.2 miles away from the city center.

City:

27.1
U.S.:

33.3
Particulate Matter Level

Particulate Matter (PM10) [µg/m3] level in 2018 was 31.9. This is significantly worse than average. Closest monitor was 7.8 miles away from the city center.

City:

31.9
U.S.:

19.6
Particulate Matter Level

Particulate Matter (PM2.5) [µg/m3] level in 2018 was 13.7. This is significantly worse than average. Closest monitor was 7.8 miles away from the city center.

City:

13.7
U.S.:

8.5
Lead Level

Lead (Pb) [µg/m3] level in 2018 was 0.00680. This is significantly better than average. Closest monitor was 3.2 miles away from the city center.

City:

0.00680
U.S.:

0.00984

Earthquake activity:

Diamond Bar-area historical earthquake activity is significantly above California state average. It is 7144% greater than the overall U.S. average.

On 7/21/1952 at 11:52:14, a magnitude 7.7 (7.7 UK, Class: Major, Intensity: VIII - XII) earthquake occurred 96.4 miles away from the city center, causing $50,000,000 total damage
On 6/28/1992 at 11:57:34, a magnitude 7.6 (6.2 MB, 7.6 MS, 7.3 MW, Depth: 0.7 mi) earthquake occurred 74.9 miles away from the city center, causing 3 deaths (1 shaking deaths, 2 other deaths) and 400 injuries, causing $100,000,000 total damage and $40,000,000 insured losses
On 10/16/1999 at 09:46:44, a magnitude 7.4 (6.3 MB, 7.4 MS, 7.2 MW, 7.3 ML) earthquake occurred 86.8 miles away from Diamond Bar center
On 11/4/1927 at 13:51:53, a magnitude 7.5 (7.5 UK) earthquake occurred 193.7 miles away from Diamond Bar center
On 4/21/1918 at 22:32:30, a magnitude 6.8 (6.8 UK, Class: Strong, Intensity: VII - IX) earthquake occurred 25.5 miles away from the city center
On 5/19/1940 at 04:36:40, a magnitude 7.2 (7.2 UK) earthquake occurred 133.7 miles away from the city center, causing $33,000,000 total damage
Magnitude types: body-wave magnitude (MB), local magnitude (ML), surface-wave magnitude (MS), moment magnitude (MW)

Natural disasters:

The number of natural disasters in Los Angeles County (57) is a lot greater than the US average (15).
Major Disasters (Presidential) Declared: 27
Emergencies Declared: 3

Causes of natural disasters: Fires: 37, Floods: 16, Storms: 9, Winter Storms: 6, Landslides: 5, Mudslides: 5, Earthquakes: 3, Freeze: 1, Heavy Rain: 1, Hurricane: 1, Snow: 1, Tornado: 1, Wind: 1, Other: 1 (Note: some incidents may be assigned to more than one category).
Diamond Bar topographic map

Hospitals and medical centers in Diamond Bar:

  • CARE PROFESSIONALS HOMECARE (556 N DIAMOND BAR BLVD SUITE 301-A)
  • DIAMOND HOME HEALTH, INC (556 N DIAMOND BAR BLVD #109)
  • INTENSIVE HOME HEALTH CARE, INC (21671 GATEWAY CENTER SUITE 104)
  • INTERCOUNTY TOTAL HEALTH CARE PROVIDER (556 N DIAMOND BAR BLVD)
  • JMJ THERAPEA HOME HEALTH SERVICES (20955 PATHFINDER ROAD, SUITE 200)
  • PANAMERICA HOME HEALTH AGENCY (556 N DIAMOND BAR BLVD #206)
  • PROFESSIONAL HEALTH CARE PROVIDER, INC (406 PROSPECTORS ROAD)
  • SPECIALISTS HHC (556 N DIAMOND BAR BLVD STE 211)

Amtrak stations near Diamond Bar:

  • 6 miles: POMONA (156 W. COMMERCIAL ST.) . Services: partially wheelchair accessible, public payphones, free short-term parking, free long-term parking, call for taxi service, public transit connection.
  • 9 miles: CLAREMONT (200 W. 1ST ST.) - Bus Station . Services: fully wheelchair accessible, public payphones, full-service food facilities, free short-term parking, free long-term parking, call for car rental service, call for taxi service, public transit connection.
  • 11 miles: ONTARIO (228 S. PLUM ST.) . Services: fully wheelchair accessible, public payphones, vending machines, free short-term parking, call for taxi service.

College/University in Diamond Bar:

  • California InterContinental University (Full-time enrollment: 280; Location: 1470 Valley Vista Dr Ste 150; Private, for-profit; Offers Doctor's degree)

Colleges/universities with over 2000 students nearest to Diamond Bar:

  • Mt San Antonio College (about 4 miles; Walnut, CA; Full-time enrollment: 19,891)
  • California State Polytechnic University-Pomona (about 4 miles; Pomona, CA; FT enrollment: 18,141)
  • DeVry University-California (about 5 miles; Pomona, CA; FT enrollment: 10,875)
  • University of La Verne (about 8 miles; La Verne, CA; FT enrollment: 6,983)
  • Hacienda La Puente Adult Education (about 8 miles; La Puente, CA; FT enrollment: 2,750)
  • California State University-Fullerton (about 9 miles; Fullerton, CA; FT enrollment: 28,947)
  • Azusa Pacific University (about 10 miles; Azusa, CA; FT enrollment: 9,427)

Public high school in Diamond Bar:

  • DIAMOND BAR HIGH (Students: 2,263, Location: 21400 PATHFINDER RD., Grades: 9-12)

Biggest public elementary/middle schools in Diamond Bar:

Private elementary/middle schools in Diamond Bar:

  • MT CALVARY LUTHERAN SCHOOL (Students: 138, Location: 23300 GOLDEN SPRINGS DR, Grades: KG-8)
  • DIAMOND BAR MONTESSORI ACADEMY (Students: 66, Location: 23555 PALOMINO DR, Grades: PK-3)
See full list of schools located in Diamond Bar

User-submitted facts and corrections:

  • Pantera Elementary School, Diamond Bar (New public school in its second year)

Points of interest:

Click to draw/clear city borders

Notable locations in Diamond Bar: Walnut Siding (A), Diamond Bar Golf Course (B), Diamond Bar Branch County of Los Angeles Public Library (C), Los Angeles County Fire Department Station 120 (D), Los Angeles County Fire Department Station 121 (E). Display/hide their locations on the map

Shopping Centers: Country Hills Town Center Shopping Center (1), Towne Centre Village Shopping Center (2). Display/hide their locations on the map

Church in Diamond Bar: Northminster Church (A). Display/hide its location on the map

Parks in Diamond Bar include: Carlton Peterson Park (1), Sycamore Canyon Park (2), Heritage Park (3), Maple Hill Park (4), Paul C Grow Park (5), Summit Ridge Park (6). Display/hide their locations on the map

Tourist attraction: Moonlight Travel And Tours (Tourism Consultants; 23435 Golden Springs Dr).

Hotels: Best Western Diamond Bar Htl (259 Gentle Springs Road), Ayres Suites (21951 Golden Springs Dr).

Birthplace of: Alex Morgan - Soccer player, Jake Dancy - Footballer, Jason Wright - Football running back, Gary Brown (baseball) - Baseball player, Collin Robinson - College basketball player (USC Trojans), Khalif Ford - College basketball player (Illinois State Redbirds), Ryan Smith (American football) - Football player.

Los Angeles County has a predicted average indoor radon screening level between 2 and 4 pCi/L (pico curies per liter) - Moderate Potential
Average household size:
This city:

3.1 people
California:

2.9 people

Percentage of family households:
This city:

83.0%
Whole state:

68.7%

Percentage of households with unmarried partners:
This city:

3.2%
Whole state:

7.2%


Likely homosexual households (counted as self-reported same-sex unmarried-partner households)
  • Lesbian couples: 0.2% of all households
  • Gay men: 0.2% of all households

People in group quarters in Diamond Bar in 2010:

  • 63 people in group homes intended for adults
  • 33 people in workers' group living quarters and job corps centers
  • 22 people in nursing facilities/skilled-nursing facilities
  • 6 people in other noninstitutional facilities
  • 5 people in group homes for juveniles (non-correctional)

People in group quarters in Diamond Bar in 2000:

  • 48 people in nursing homes
  • 37 people in homes for the mentally retarded
  • 13 people in other group homes
  • 11 people in other noninstitutional group quarters
  • 6 people in religious group quarters
  • 3 people in hospitals/wards and hospices for chronically ill
  • 3 people in hospices or homes for chronically ill

Banks with most branches in Diamond Bar (2011 data):

  • TomatoBank, National Association: Tomatobank, National Association at 1241 Grand Avenue, Suite K, branch established on 2000/09/29; Diamond Bar Branch at 1241 Grand Avenue, Suite K, branch established on 2004/05/17. Info updated 2008/04/22: Bank assets: $416.3 mil, Deposits: $358.3 mil, local headquarters, positive income, Commercial Lending Specialization, 6 total offices, Holding Company: Tfc Holding Company
  • JPMorgan Chase Bank, National Association: South Diamond Bar Blvd Branch at 334 South Diamond Bar Boulevard, branch established on 1965/05/05; 1100 S Diamond Bar Blvd Branch at 1100 S Diamond Bar Blvd, branch established on 1919/01/01. Info updated 2011/11/10: Bank assets: $1,811,678.0 mil, Deposits: $1,190,738.0 mil, headquarters in Columbus, OH, positive income, International Specialization, 5577 total offices, Holding Company: Jpmorgan Chase & Co.
  • East West Bank: Diamond Bar Branch at 379 S Diamond Bar Blvd, branch established on 1990/03/01; Diamond Bar-Grand Branch at 1132 South Diamond Bar Boulevard, branch established on 1998/03/19. Info updated 2010/06/14: Bank assets: $21,962.4 mil, Deposits: $17,501.8 mil, headquarters in Pasadena, CA, positive income, Commercial Lending Specialization, 131 total offices, Holding Company: East West Bancorp, Inc.
  • HSBC Bank USA, National Association: Diamond Bar Branch at 2783 South Diamond Bar Boulevard, branch established on 2006/09/18. Info updated 2010/11/30: Bank assets: $206,009.7 mil, Deposits: $149,026.8 mil, headquarters in Mc Lean, VA, positive income, 474 total offices, Holding Company: Hsbc Holdings Plc
  • Bank of America, National Association: Grand And Diamond Bar Branch at 1196 South Diamond Bar Boulevard, branch established on 1979/11/30. Info updated 2009/11/18: Bank assets: $1,451,969.3 mil, Deposits: $1,077,176.8 mil, headquarters in Charlotte, NC, positive income, 5782 total offices, Holding Company: Bank Of America Corporation
  • Wells Fargo Bank, National Association: Diamond Bar Branch at 1180 South Diamond Bar Boulevard, branch established on 1995/04/10. Info updated 2011/04/05: Bank assets: $1,161,490.0 mil, Deposits: $905,653.0 mil, headquarters in Sioux Falls, SD, positive income, 6395 total offices, Holding Company: Wells Fargo & Company
  • BBCN Bank: Diamond Bar Branch at 2809 S. Diamond Bar Blvd., branch established on 2008/03/15. Info updated 2011/12/12: Bank assets: $5,170.7 mil, Deposits: $3,989.4 mil, headquarters in Los Angeles, CA, positive income, Commercial Lending Specialization, 49 total offices, Holding Company: Bbcn Bancorp, Inc.
  • U.S. Bank National Association: Diamond Bar Branch at 1175 South Grand Avenue, branch established on 1994/12/17. Info updated 2012/01/30: Bank assets: $330,470.8 mil, Deposits: $236,091.5 mil, headquarters in Cincinnati, OH, positive income, 3121 total offices, Holding Company: U.S. Bancorp
  • Preferred Bank: Diamond Bar Branch at 1373 South Diamond Bar Boulevard, branch established on 2002/12/17. Info updated 2009/03/03: Bank assets: $1,309.8 mil, Deposits: $1,118.0 mil, headquarters in Los Angeles, CA, positive income, Commercial Lending Specialization, 10 total offices
  • 2 other banks with 2 local branches

For population 15 years and over in Diamond Bar:

Marital status in Diamond Bar, CA
  • Never married: 30.1%
  • Now married: 56.9%
  • Separated: 0.6%
  • Widowed: 5.0%
  • Divorced: 7.4%

For population 25 years and over in Diamond Bar:

  • High school or higher: 93.2%
  • Bachelor's degree or higher: 53.8%
  • Graduate or professional degree: 18.9%
  • Unemployed: 5.7%
  • Mean travel time to work (commute): 26.0 minutes
Educational Attainment in 2021
School Enrollment by Level of School in 2021
Education Gini index (Inequality in education)
Here:

12.0
California average:

15.4

Travel time (in minutes) to work in 2021
Means of transportation to work in 2021 - Diamond Bar
Presidential Elections Results

Graphs represent county-level data. Detailed 2008 Election Results

Neighborhood in Diamond Bar (Diamond Bar, California Neighborhood Map):

Religion statistics for Diamond Bar, CA (based on Los Angeles County data)

Religions Adherents in 2010
Religions Adherents - Change between 2000 and 2010
ReligionAdherentsCongregations
Catholic3,542,994275
Evangelical Protestant814,6113,249
Other451,5941,023
Mainline Protestant229,056860
Black Protestant112,338290
Orthodox63,51776
None4,604,495-
Source: Clifford Grammich, Kirk Hadaway, Richard Houseal, Dale E.Jones, Alexei Krindatch, Richie Stanley and Richard H.Taylor. 2012. 2010 U.S.Religion Census: Religious Congregations & Membership Study. Association of Statisticians of American Religious Bodies. Jones, Dale E., et al. 2002. Congregations and Membership in the United States 2000. Nashville, TN: Glenmary Research Center. Graphs represent county-level data

Food Environment Statistics:

Number of grocery stores: 2,084
Los Angeles County:

2.12 / 10,000 pop.
California:

2.14 / 10,000 pop.
Number of supercenters and club stores: 32
This county:

0.03 / 10,000 pop.
California:

0.04 / 10,000 pop.
Number of convenience stores (no gas): 567
Here:

0.58 / 10,000 pop.
California:

0.62 / 10,000 pop.
Number of convenience stores (with gas): 1,206
This county:

1.23 / 10,000 pop.
California:

1.49 / 10,000 pop.
Number of full-service restaurants: 7,008
Los Angeles County:

7.15 / 10,000 pop.
California:

7.42 / 10,000 pop.
Adult diabetes rate:
Los Angeles County:

7.5%
State:

7.3%
Adult obesity rate:
This county:

20.4%
State:

21.3%
Low-income preschool obesity rate:
Los Angeles County:

18.6%
California:

17.9%

Health and Nutrition:

Healthy diet rate:
Diamond Bar:

55.3%
California:

49.4%

Average overall health of teeth and gums:
Diamond Bar:

52.6%
California:

48.0%

Average BMI:
Here:

27.0
California:

28.1

People feeling badly about themselves:
Diamond Bar:

16.1%
State:

20.2%

People not drinking alcohol at all:
Diamond Bar:

16.1%
California:

11.2%

Average hours sleeping at night:
Diamond Bar:

6.8
State:

6.8

Overweight people:
Diamond Bar:

28.4%
California:

31.5%

General health condition:
Here:

59.6%
State:

56.4%

Average condition of hearing:
Diamond Bar:

83.1%
California:

80.9%

More about Health and Nutrition of Diamond Bar, CA Residents
Local government employment and payroll (March 2017)
Function Full-time employees Monthly full-time payroll Average yearly full-time wage Part-time employees Monthly part-time payroll
Other Government Administration 18$117,835$78,5570$0
Parks and Recreation 11$71,409$77,90146$63,687
Housing and Community Development (Local) 8$59,974$89,9611$1,457
Streets and Highways 8$62,142$93,2131$372
Financial Administration 8$68,780$103,1700$0
Totals for Government 53$380,140$86,06948$65,516

Diamond Bar government finances - Expenditure in 2017 (per resident):

  • Construction - Central Staff Services: $16,455,000 ($305.53)
    Parks and Recreation: $1,526,000 ($28.33)
    Regular Highways: $1,018,000 ($18.90)
  • Current Operations - Police Protection: $6,351,000 ($117.92)
    Regular Highways: $5,480,000 ($101.75)
    Central Staff Services: $5,296,000 ($98.33)
    Parks and Recreation: $4,628,000 ($85.93)
    Transit Utilities: $2,252,000 ($41.81)
    Protective Inspection and Regulation - Other: $1,496,000 ($27.78)
    Solid Waste Management: $561,000 ($10.42)
    Housing and Community Development: $480,000 ($8.91)
    Health - Other: $204,000 ($3.79)
    General - Other: $57,000 ($1.06)
    Local Fire Protection: $7,000 ($0.13)
  • General - Interest on Debt: $456,000 ($8.47)
  • Other Capital Outlay - General - Other: $637,000 ($11.83)
    Transit Utilities: $82,000 ($1.52)
    Regular Highways: $46,000 ($0.85)
    Parks and Recreation: $5,000 ($0.09)

Diamond Bar government finances - Revenue in 2017 (per resident):

  • Charges - Other: $2,116,000 ($39.29)
    Parks and Recreation: $1,543,000 ($28.65)
    Regular Highways: $686,000 ($12.74)
    Solid Waste Management: $532,000 ($9.88)
  • Federal Intergovernmental - Other: $397,000 ($7.37)
    Housing and Community Development: $120,000 ($2.23)
  • Local Intergovernmental - Other: $528,000 ($9.80)
  • Miscellaneous - General Revenue - Other: $736,000 ($13.67)
    Fines and Forfeits: $460,000 ($8.54)
    Donations From Private Sources: $79,000 ($1.47)
    Interest Earnings: $29,000 ($0.54)
  • Revenue - Transit Utilities: $1,684,000 ($31.27)
  • State Intergovernmental - Highways: $1,079,000 ($20.03)
    Other: $799,000 ($14.84)
    General Local Government Support: $30,000 ($0.56)
  • Tax - Property: $10,678,000 ($198.27)
    General Sales and Gross Receipts: $6,869,000 ($127.54)
    Public Utilities Sales: $1,321,000 ($24.53)
    Other License: $1,161,000 ($21.56)
    Other Selective Sales: $924,000 ($17.16)
    Documentary and Stock Transfer: $312,000 ($5.79)
    Other: $220,000 ($4.08)

Diamond Bar government finances - Debt in 2017 (per resident):

  • Long Term Debt - Beginning Outstanding - Unspecified Public Purpose: $10,035,000 ($186.33)
    Outstanding Unspecified Public Purpose: $9,635,000 ($178.90)
    Retired Unspecified Public Purpose: $400,000 ($7.43)

Diamond Bar government finances - Cash and Securities in 2017 (per resident):

  • Bond Funds - Cash and Securities: $236,000 ($4.38)
  • Other Funds - Cash and Securities: $33,050,000 ($613.66)

2.98% of this county's 2021 resident taxpayers lived in other counties in 2020 ($81,235 average adjusted gross income)

Here:

2.98%
California average:

5.19%

0.01% of residents moved from foreign countries ($155 average AGI)
Los Angeles County:

0.01%
California average:

0.03%

Top counties from which taxpayers relocated into this county between 2020 and 2021:
from Orange County, CA  0.41% ($74,259 average AGI)
from San Bernardino County, CA  0.27% ($51,951)
from Riverside County, CA  0.16% ($54,847)


4.68% of this county's 2020 resident taxpayers moved to other counties in 2021 ($97,324 average adjusted gross income)

Here:

4.68%
California average:

6.14%

0.01% of residents moved to foreign countries ($196 average AGI)
Los Angeles County:

0.01%
California average:

0.02%

Top counties to which taxpayers relocated from this county between 2020 and 2021:
to Orange County, CA  0.60% ($91,560 average AGI)
to San Bernardino County, CA  0.56% ($57,221)
to Riverside County, CA  0.38% ($73,820)
Businesses in Diamond Bar, CA
NameCountNameCount
7-Eleven2KFC2
Ace Hardware1Kmart1
Albertsons1Kroger1
AutoZone1LA Fitness1
Baskin-Robbins1McDonald's2
Best Western1Payless1
Blockbuster1RadioShack1
Budget Car Rental1Rite Aid1
CVS1Safeway1
Carl\s Jr.1Sears1
Chuck E. Cheese's1Sprint Nextel1
Circle K1Starbucks4
Dennys1Subway2
Domino's Pizza1T-Mobile1
El Pollo Loco1Taco Bell1
FedEx5Target1
Firestone Complete Auto Care1U-Haul1
H&R Block1UPS7
Holiday Inn1Vons1
Jones New York1YMCA2
Just Tires1

Strongest AM radio stations in Diamond Bar:

  • KTNQ (1020 AM; 50 kW; LOS ANGELES, CA; Owner: KTNQ-AM LICENSE CORP.)
  • KLAC (570 AM; 50 kW; LOS ANGELES, CA; Owner: AMFM RADIO LICENSES, L.L.C.)
  • KXTA (1150 AM; 50 kW; LOS ANGELES, CA; Owner: CITICASTERS LICENSES, L.P.)
  • KFI (640 AM; 50 kW; LOS ANGELES, CA; Owner: CAPSTAR TX LIMITED PARTNERSHIP)
  • KPLS (830 AM; 50 kW; ORANGE, CA; Owner: CRN LICENSES, LLC)
  • KDIS (1110 AM; 50 kW; PASADENA, CA; Owner: ABC,INC.)
  • KALI (900 AM; 6 kW; WEST COVINA, CA; Owner: MULTICULTURAL RADIO BROADCASTING, INC.)
  • KFWB (980 AM; 50 kW; LOS ANGELES, CA; Owner: INFINITY BROADCASTING OPERATIONS, INC.)
  • KMNY (1600 AM; 5 kW; POMONA, CA; Owner: MULTICULTURAL RADIO BROADCASTING, INC.)
  • KMPC (1540 AM; 50 kW; LOS ANGELES, CA; Owner: ROSE CITY RADIO CORPORATION)
  • KSPN (710 AM; 50 kW; LOS ANGELES, CA; Owner: KABC-AM RADIO, INC.)
  • KBLA (1580 AM; 50 kW; SANTA MONICA, CA)
  • KNX (1070 AM; 50 kW; LOS ANGELES, CA; Owner: INFINITY BROADCASTING OPERATIONS, INC.)

Strongest FM radio stations in Diamond Bar:

  • KSAK (90.1 FM; WALNUT, CA; Owner: MT. SAN ANTONIO COMM. COLLEGE DIST.)
  • K264AF (100.7 FM; GUASTI, CA; Owner: EDUCATIONAL MEDIA FOUNDATION)
  • KCBS-FM (93.1 FM; LOS ANGELES, CA; Owner: INFINITY BROADCASTING OPERATIONS, INC.)
  • KSCA (101.9 FM; GLENDALE, CA; Owner: HBC LICENSE CORPORATION)
  • KLOS (95.5 FM; LOS ANGELES, CA; Owner: KLOS-FM RADIO, INC.)
  • KOST (103.5 FM; LOS ANGELES, CA; Owner: CAPSTAR TX LIMITED PARTNERSHIP)
  • K212FA (90.3 FM; TEMPLE CITY, CA; Owner: EDUCATIONAL MEDIA FOUNDATION)
  • KIIS-FM (102.7 FM; LOS ANGELES, CA; Owner: CITICASTERS LICENSES, L.P.)
  • KLVE (107.5 FM; LOS ANGELES, CA; Owner: KLVE-FM LICENSE CORP.)
  • KPCC (89.3 FM; PASADENA, CA; Owner: PASADENA AREA COMMUNITY COLLEGE DISTRICT)
  • KHHT (92.3 FM; LOS ANGELES, CA; Owner: AMFM RADIO LICENSES, L.L.C.)
  • KBIG-FM (104.3 FM; LOS ANGELES, CA; Owner: AMFM RADIO LICENSES, L.L.C.)
  • KTWV (94.7 FM; LOS ANGELES, CA; Owner: INFINITY BROADCASTING OPERATIONS, INC.)
  • KMZT-FM (105.1 FM; LOS ANGELES, CA; Owner: MOUNT WILSON FM BROADCASTERS, INC.)
  • KPFK (90.7 FM; LOS ANGELES, CA; Owner: PACIFICA FOUNDATION, INC)
  • K216EM (91.1 FM; ARCADIA, CA; Owner: LIFE ON THE WAY COMMUNICATIONS, INC.)
  • KZLA-FM (93.9 FM; LOS ANGELES, CA; Owner: EMMIS RADIO LICENSE CORPORATION)
  • KPWR (105.9 FM; LOS ANGELES, CA; Owner: EMMIS RADIO LICENSE CORPORATION)
  • KRCV (98.3 FM; WEST COVINA, CA; Owner: HBC LICENSE CORPORATION)
  • KLSX (97.1 FM; LOS ANGELES, CA; Owner: INFINITY BROADCASTING OPERATIONS, INC.)

TV broadcast stations around Diamond Bar:

  • KTRO-LP (Channel 50; LANCASTER, CA; Owner: ROBERT D. ADELMAN)
  • KCBS-TV (Channel 2; LOS ANGELES, CA; Owner: CBS BROADCASTING INC.)
  • KHIZ (Channel 64; BARSTOW, CA; Owner: SUNBELT TELEVISION, INC.)
  • KTLA-TV (Channel 5; LOS ANGELES, CA; Owner: KTLA INC.)
  • KABC-TV (Channel 7; LOS ANGELES, CA; Owner: ABC HOLDING COMPANY, INC.)
  • KCAL-TV (Channel 9; LOS ANGELES, CA; Owner: VIACOM TELEVISION STATIONS GROUP OF LOS ANGELES LLC)
  • KNBC (Channel 4; LOS ANGELES, CA; Owner: NBC SUBSIDIARY (KNBC-TV), INC.)
  • KMEX-TV (Channel 34; LOS ANGELES, CA; Owner: KMEX LICENSE PARTNERSHIP, G.P.)
  • KAZA-TV (Channel 54; AVALON, CA; Owner: PAPPAS SOUTHERN CALIFORNIA LICENSE LLC)
  • KDOC-TV (Channel 56; ANAHEIM, CA; Owner: GOLDEN ORANGE BROADCASTING CO., INC.)
  • KOCE-TV (Channel 50; HUNTINGTON BEACH, CA; Owner: BD. OF TRUSTEES, COAST COMMUNITY COLLEGE DIST.)
  • KSCI (Channel 18; LONG BEACH, CA; Owner: KSLS, INC.)
  • KXLA (Channel 44; RANCHO PALOS VERDES, CA; Owner: RANCHO PALOS VERDES BROADCASTERS, INC.)
  • KCET (Channel 28; LOS ANGELES, CA; Owner: COMMUNITY TELEVISION OF SOUTHERN CALIFORNIA)
  • KRCA (Channel 62; RIVERSIDE, CA; Owner: KRCA LICENSE CORP.)
  • KFTR (Channel 46; ONTARIO, CA; Owner: TELEFUTURA LOS ANGELES LLC)
  • KTTV (Channel 11; LOS ANGELES, CA; Owner: FOX TELEVISION STATIONS, INC.)
  • KPXN (Channel 30; SAN BERNARDINO, CA; Owner: PAXSON LOS ANGELES LICENSE, INC.)
  • KWHY-TV (Channel 22; LOS ANGELES, CA; Owner: TELEMUNDO OF LOS ANGELES LICENSE CORPORATION)
  • KVEA (Channel 52; CORONA, CA; Owner: ESTRELLA LICENSE CORPORATION)
Fatal accident count
See more detailed statistics of Diamond Bar fatal car crashes and road traffic accidents for 1975 - 2021 here
  • National Bridge Inventory (NBI) Statistics
  • 47Number of bridges
  • 1,050ft / 320mTotal length
  • 4,637,927Total average daily traffic
  • 335,259Total average daily truck traffic
New bridges in Diamond Bar, CA - historical statistics
  • New bridges - historical statistics
  • 11950-1959
  • 51960-1969
  • 321970-1979
  • 21980-1989
  • 11990-1999
  • 62000-2009
See full National Bridge Inventory statistics for Diamond Bar, CA
Home Mortgage Disclosure Act Aggregated Statistics For Year 2009
(Based on 7 full and 5 partial tracts)
A) FHA, FSA/RHS & VA
Home Purchase Loans
B) Conventional
Home Purchase Loans
C) Refinancings
D) Home Improvement Loans
E) Loans on Dwellings For 5+ Families
F) Non-occupant Loans on
< 5 Family Dwellings (A B C & D)
G) Loans On Manufactured
Home Dwelling (A B C & D)
NumberAverage ValueNumberAverage ValueNumberAverage ValueNumberAverage ValueNumberAverage ValueNumberAverage ValueNumberAverage Value
LOANS ORIGINATED47$351,220252$331,5301,178$308,47736$265,0080$090$249,4981$57,140
APPLICATIONS APPROVED, NOT ACCEPTED7$366,32731$346,833152$329,73410$45,0850$011$235,7431$79,680
APPLICATIONS DENIED13$311,10853$349,530383$355,33328$230,3541$506,00032$259,1903$41,643
APPLICATIONS WITHDRAWN15$322,55150$351,958230$332,22915$184,4800$011$208,9600$0
FILES CLOSED FOR INCOMPLETENESS3$264,99014$244,76980$339,9355$210,0260$04$194,6730$0

Detailed mortgage data for all 12 tracts in Diamond Bar, CA

Private Mortgage Insurance Companies Aggregated Statistics For Year 2009
(Based on 6 full and 5 partial tracts)
A) Conventional
Home Purchase Loans
B) Refinancings
NumberAverage ValueNumberAverage Value
LOANS ORIGINATED10$275,2646$419,095
APPLICATIONS APPROVED, NOT ACCEPTED8$383,2752$496,595
APPLICATIONS DENIED2$383,4457$401,299
APPLICATIONS WITHDRAWN1$348,0001$331,000
FILES CLOSED FOR INCOMPLETENESS1$220,0000$0
Conventional Home Purchase Loans in Diamond Bar, CA
Conventional Home Purchase Loans in Diamond Bar, CA - Value

2005 - 2018 National Fire Incident Reporting System (NFIRS) incidents

    Fire incident distribution by year Based on the data from the years 2005 - 2018 the average number of fires per year is 46. The highest number of reported fires - 86 took place in 2010, and the least - 0 in 2006. The data has a declining trend.
    Fire incident types in Diamond Bar, CA When looking into fire subcategories, the most reports belonged to: Mobile Property/Vehicle Fires (44.8%), and Outside Fires (26.4%).

    • Fire incident types reported to NFIRS in Diamond Bar, CA
    • 28744.8%Mobile Property/Vehicle Fires
    • 16926.4%Outside Fires
    • 15323.9%Structure Fires
    • 325.0%Other
See full National Fire Incident Reporting System statistics for Diamond Bar, CA
Most common first names in Diamond Bar, CA among deceased individuals
NameCountLived (average)
John6675.1 years
Mary5979.5 years
Robert4569.8 years
William4175.4 years
James3567.8 years
Charles3374.1 years
George3073.6 years
Frank3074.7 years
Richard3070.7 years
Joseph2974.0 years
Most common last names in Diamond Bar, CA among deceased individuals
Last nameCountLived (average)
Lee3275.5 years
Smith2374.5 years
Jones2174.8 years
Johnson1979.4 years
Kim1875.8 years
Williams1565.8 years
Brown1472.3 years
Martin1276.8 years
Taylor1178.4 years
Davis1078.1 years
Houses and condos Apartments
Most commonly used house heating fuel in houses and condos in Diamond Bar, CA
  • 84.5%Utility gas
  • 13.3%Electricity
  • 1.4%Bottled, tank, or LP gas
  • 0.6%No fuel used
  • 0.3%Solar energy
Most commonly used house heating fuel in apartments in Diamond Bar, CA
  • 71.9%Utility gas
  • 25.8%Electricity
  • 1.6%Bottled, tank, or LP gas
  • 0.4%No fuel used
  • 0.2%Solar energy


Diamond Bar compared to California state average:

  • Unemployed percentage significantly below state average.
  • Hispanic race population percentage below state average.
  • Median age significantly above state average.
  • Foreign-born population percentage above state average.
  • Renting percentage significantly below state average.
  • Length of stay since moving in significantly above state average.
  • Percentage of population with a bachelor's degree or higher above state average.

Diamond Bar on our top lists:

  • #2 on the list of "Top 101 cities with the highest cost per building permit(population 50,000+)"
  • #4 on the list of "Top 101 cities with largest percentage of females in industries: wholesale trade (population 50,000+)"
  • #7 on the list of "Top 101 cities with the most residents born in Taiwan (population 500+)"
  • #9 on the list of "Top 101 cities with the lowest number of rapes per 100,000 residents (population 50,000+)"
  • #12 on the list of "Top 101 cities with the most residents born in Eastern Asia (population 500+)"
  • #15 on the list of "Top 101 cities with the most residents born in China (population 500+)"
  • #16 on the list of "Top 101 cities with the smallest percentage of likely homosexual households (counted as self-reported same-sex unmarried-partner households) (population 50,000+)"
  • #16 on the list of "Top 101 cities with largest percentage of females in industries: utilities (population 50,000+)"
  • #17 on the list of "Top 101 cities with largest percentage of males in industries: wholesale trade (population 50,000+)"
  • #19 on the list of "Top 101 cities with the smallest percentage of unmarried partner households (population 50,000+)"
  • #21 on the list of "Top 101 cities with the lowest number of thefts per 100,000 residents (population 50,000+)"
  • #28 on the list of "Top 101 larger cities with the highest increase in house/condo value from 2000 (population 50,000+)"
  • #29 on the list of "Top 101 cities with largest percentage of females in occupations: business and financial operations occupations (population 50,000+)"
  • #29 on the list of "Top 101 cities with the most residents born in Hong Kong (population 500+)"
  • #31 on the list of "Top 101 cities with largest percentage of males in occupations: management occupations (population 50,000+)"
  • #32 on the list of "Top 101 cities with largest percentage of males in occupations: business and financial operations occupations (population 50,000+)"
  • #34 on the list of "Top 101 cities with the most residents born in Asia (population 500+)"
  • #41 on the list of "Top 101 cities with the most residents born in Korea (population 500+)"
  • #42 on the list of "Top 100 cities with highest percentage of foreign-born residents (pop. 50,000+)"
  • #43 on the list of "Top 101 cities with the most cars per house, population 50,000+"
  • #1 on the list of "Top 101 counties with the most Evangelical Protestant congregations"
  • #1 on the list of "Top 101 counties with the most Mainline Protestant congregations"
  • #1 on the list of "Top 101 counties with the most Orthodox adherents"
  • #1 on the list of "Top 101 counties with the highest ground withdrawal of fresh water for public supply (pop. 50,000+)"
  • #1 on the list of "Top 101 counties with the most Catholic adherents (pop. 50,000+)"
There are 52 pilots and 52 other airmen in this city.
Cost of Living Calculator
Top Patent Applicants
Top Patent Applicants
  • David Deng (56)
  • Lee Wang (26)
  • Jeong S. Lee (26)
  • Tony Cheng-Tong Chung (22)
  • Jonathan Yeh (22)
  • Xiaotian Steve Yao (14)
  • George Mansour (13)
  • Hiap L. Ong (13)
  • Neil Korneff (12)
  • Yongchang Wang (10)

Total of 695 patent applications in 2008-2024.