Colfax-Summit, California

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Population in July 2007: 24,007.
Males: 12,240  (51.0%)
Females: 11,767  (49.0%)
Median resident age:  41.0 years
California median age:  33.3 years
Estimated median household income in 2012: $64,754 (it was $53,927 in 2000)
Colfax-Summit:

$64,754
CA:

$58,328
Estimated per capita income in 2012: $32,090 (it was $26,899 in 2000)

Colfax-Summit CCD income, earnings, and wages data

Estimated median house or condo value in 2012: $324,652 (it was $212,300 in 2000)
Colfax-Summit:

$324,652
CA:

$349,400
Mean prices in 2009: All housing units: $590,816; Detached houses: $617,166; Townhouses or other attached units: $542,571; In 2-unit structures: $311,185; In 3-to-4-unit structures: $303,129; In 5-or-more-unit structures: $618,507; Mobile homes: $192,774; Occupied boats, RVs, vans, etc.: $280,471
Colfax-Summit races chart
  • White alone - 16,449 (90.5%)
  • Hispanic - 997 (5.5%)
  • Two or more races - 359 (2.0%)
  • American Indian alone - 125 (0.7%)
  • Asian alone - 134 (0.7%)
  • Black alone - 62 (0.3%)
  • Other race alone - 36 (0.2%)
  • Native Hawaiian and Other Pacific Islander alone - 15 (0.08%)
Mar. 2012 cost of living index in Colfax-Summit: 226.2 (very high, U.S. average is 100)

Current Local Time: PST time zone

Land area: 348.2 square miles.

Population density: 69 people per square mile 
 
 (very low).

For population 25 years and over in Colfax-Summit:

  • High school or higher: 90.2%
  • Bachelor's degree or higher: 27.9%
  • Graduate or professional degree: 9.8%
  • Unemployed: 4.4%
  • Mean travel time to work (commute): 26.7 minutes

For population 15 years and over in Colfax-Summit CCD:

  • Never married: 21.7%
  • Now married: 62.8%
  • Separated: 2.0%
  • Widowed: 5.8%
  • Divorced: 9.7%

Median real estate property taxes paid for housing units in 2000:

Colfax-Summit CCD:  0.7% ($1,463)
California:  0.8% ($1,564)

Nearest city with pop. 50,000+: South El Dorado, CA (37.3 miles , pop. 78,296).

Nearest city with pop. 200,000+: Sacramento, CA (59.2 miles , pop. 407,018).

Nearest city with pop. 1,000,000+: Los Angeles, CA (377.3 miles , pop. 3,694,820).

Nearest cities: Alta, CA (1.9 miles ), Dutch Flat, CA (2.2 miles) , Foresthill-Back Country, CA (3.0 miles ), Washington, CA (3.4 miles) , Colfax, CA (3.6 miles ), Foresthill, CA (3.7 miles ), Cedar Ridge, CA (3.8 miles ), Nevada City, CA (3.9 miles ).

Latitude: 39.20 N, Longitude: 120.75 W

Area code commonly used in this area: 530

Colfax-Summit household income distribution Colfax-Summit home values distribution
Unemployment in June 2014:
Here:

6.0%
California:

7.3%

Unemployment by year (%)

Most common industries (%)
Males Females
  • Construction (17%)
  • Accommodation and food services (9%)
  • Professional, scientific, and technical services (6%)
  • Educational services (5%)
  • Public administration (5%)
  • Computer and electronic products (4%)
  • Health care (4%)
  • Health care (14%)
  • Educational services (14%)
  • Accommodation and food services (8%)
  • Professional, scientific, and technical services (7%)
  • Finance and insurance (6%)
  • Public administration (5%)
  • Real estate and rental and leasing (4%)
Most common occupations (%)
Males Females
  • Other management occupations except farmers and farm managers (6%)
  • Other sales and related workers including supervisors (5%)
  • Electrical equipment mechanics and other installation, maintenance, and repair occupations including supervisors (5%)
  • Driver/sales workers and truck drivers (5%)
  • Sales representatives, services, wholesale and manufacturing (4%)
  • Building and grounds cleaning and maintenance occupations (4%)
  • Construction trades workers except carpenters, electricians, painters, plumbers, and construction laborers (3%)
  • Other office and administrative support workers including supervisors (6%)
  • Other sales and related workers including supervisors (6%)
  • Preschool, kindergarten, elementary and middle school teachers (5%)
  • Other management occupations except farmers and farm managers (5%)
  • Secretaries and administrative assistants (4%)
  • Bookkeeping, accounting, and auditing clerks (4%)
  • Information and record clerks except customer service representatives (3%)

Work and jobs in Colfax-Summit: detailed stats about occupations, industries, unemployment, workers, commute

Average climate in Colfax-Summit, California

Based on data reported by over 4,000 weather stations

Colfax-Summit, California average temperatures Colfax-Summit, California average precipitation Colfax-Summit, California humidity Colfax-Summit, California wind speed Colfax-Summit, California snowfall Colfax-Summit, California sunshine Colfax-Summit, California clear and cloudy days

Earthquake activity:

Colfax-Summit-area historical earthquake activity is near California state average. It is 744% greater than the overall U.S. average.

On 4/18/1906 at 13:12:21, a magnitude 7.9 (7.9 UK, Class: Major, Intensity: VIII - XII) earthquake occurred 147.5 miles away from the city center, causing $524,000,000 total damage
On 10/3/1915 at 06:52:48, a magnitude 7.6 (7.6 UK) earthquake occurred 194.3 miles away from Colfax-Summit center
On 12/21/1932 at 06:10:09, a magnitude 7.2 (7.2 UK) earthquake occurred 151.1 miles away from the city center
On 10/18/1989 at 00:04:15, a magnitude 7.1 (6.5 MB, 7.1 MS, 6.9 MW, 7.0 ML) earthquake occurred 155.0 miles away from the city center, causing 62 deaths (62 shaking deaths) and 3757 injuries, causing $1,305,032,704 total damage
On 1/31/1922 at 13:17:28, a magnitude 7.6 (7.6 UK) earthquake occurred 275.2 miles away from Colfax-Summit center
On 4/25/1992 at 18:06:04, a magnitude 7.2 (6.3 MB, 7.1 MS, 7.2 MW, 7.1 MW, Depth: 9.4 mi) earthquake occurred 193.7 miles away from the city center, causing $75,000,000 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 Placer County (15) is greater than the US average (12).
Major Disasters (Presidential) Declared: 9
Emergencies Declared: 2

Causes of natural disasters: Floods: 9, Storms: 6, Fires: 4, Landslides: 4, Mudslides: 2, Winter Storms: 2, Drought: 1, Heavy Rain: 1, Hurricane: 1, Tornado: 1 (Note: Some incidents may be assigned to more than one category).

Hospitals and medical centers near Colfax-Summit:

  • CRYSTAL RIDGE CARE CENTER (Nursing Home, about 16 miles away; GRASS VALLEY, CA)

Amtrak stations near Colfax-Summit:

  • 14 miles: COLFAX (CHURCH ST. & SP TRACKS) . Services: partially wheelchair accessible, free short-term parking, free long-term parking.
  • 16 miles: NEVADA CITY (301 SACRAMENTO ST.) - Bus Station . Services: fully wheelchair accessible, public payphones, snack bar, free short-term parking.
  • 17 miles: GRASS VALLEY (125 E. MAIN ST.) - Bus Station . Services: fully wheelchair accessible, public payphones, full-service food facilities, call for taxi service, public transit connection.

Colleges/universities with over 2000 students nearest to Colfax-Summit:

  • Sierra College (about 38 miles; Rocklin, CA; Full-time enrollment: 11,488)
  • Folsom Lake College (about 43 miles; Folsom, CA; FT enrollment: 5,308)
  • Yuba College (about 43 miles; Marysville, CA; FT enrollment: 4,737)
  • American River College (about 50 miles; Sacramento, CA; FT enrollment: 20,452)
  • Western Nevada College (about 52 miles; Carson City, NV; FT enrollment: 2,338)
  • University of Nevada-Reno (about 55 miles; Reno, NV; FT enrollment: 15,092)
  • Truckee Meadows Community College (about 57 miles; Reno, NV; FT enrollment: 6,919)

Click to draw/clear place borders

Notable locations in Colfax-Summit: Sugar Pine Point (A), The Balloon (B), Alta Powerhouse (C), Brockway Guard Station (D), Drum Powerhouse (E), Dutch Flat Powerhouse (F), Old Schaeffer Mill (G), Silver Creek Campground (H), Sugar Bowl Ski Area (I), Watson Monument Emigrant Pass Marker (J), IDS Organization (K), Tunnel Mills Campground (L), Northstar-at-Tahoe Ski Area (M), Powder Bowl Ski Area (N), Deer Park Ski Area (O), Squaw Valley Ski Area (P), Alpine Meadows Ski Area (Q), Old Schaeffer Camp (R), New England Mills (S), Joerger Ranch (T). Display/hide their locations on the map

Cemeteries: Colfax Cemetery (1), Dutch Flat Cemetery (2). Display/hide their locations on the map

Lakes and reservoirs: Lake Estelle (A), Fisher Lake (B), Natalie Lake (C), Palisade Lake (D), Five Lakes (E), Warm Lake (F), Shirley Lake (G), Huntley Mill Lake (H). Display/hide their locations on the map

Streams, rivers, and creeks: Brush Creek (A), Cabin Creek (B), Campbell Creek (C), Coyote Creek (D), Deep Creek (E), Deer Creek (F), Donner Creek (G), Fulda Creek (H), Monumental Creek (I). Display/hide their locations on the map

Parks in Colfax-Summit include: Emigrant Gap Historical Marker (1), Deer Park (2). Display/hide their locations on the map

Placer County has a predicted average indoor radon screening level between 2 and 4 pCi/L (pico curies per liter) - Moderate Potential

Air pollution and air quality trends
(lower is better)

Air Quality Index (AQI) level in 2012 was 85.7. This is about average.

City:

85.7
U.S.:

74.2

Nitrogen Dioxide (NO2) [ppb] level in 2010 was 3.57. This is significantly better than average. Closest monitor was 16.9 miles away from the city center.

City:

3.57
U.S.:

6.58

Ozone [ppb] level in 2012 was 33.7. This is about average. Closest monitor was 9.7 miles away from the city center.

City:

33.7
U.S.:

32.0

Particulate Matter (PM10) [µg/m3] level in 2012 was 13.7. This is significantly better than average. Closest monitor was 13.1 miles away from the city center.

City:

13.7
U.S.:

20.2

Particulate Matter (PM2.5) [µg/m3] level in 2012 was 3.84. This is significantly better than average. Closest monitor was 16.9 miles away from the city center.

City:

3.84
U.S.:

9.14
Average household size:
This place:  2.6 people
California:  2.9 people

Percentage of family households:
This place:  60.7%
Whole state:  69.4%

Percentage of households with unmarried partners:
This place:  6.0%
Whole state:  5.9%

Likely homosexual households (counted as self-reported same-sex unmarried-partner households)
  • Lesbian couples: 0.3% of all households
  • Gay men: 0.2% of all households

Residents with income below the poverty level in 2009:
This place:

6.5%
Whole state:

14.2%

Residents with income below 50% of the poverty level in 2009:
This place:

3.1%
Whole state:

6.3%

People in group quarters in Colfax-Summit in 2000:

  • 73 people in other noninstitutional group quarters
  • 65 people in college dormitories (includes college quarters off campus)
  • 26 people in hospitals/wards and hospices for chronically ill
  • 26 people in other hospitals or wards for chronically ill
  • 9 people in homes or halfway houses for drug/alcohol abuse

Colfax-Summit compared to California state average:

  • Median house value below state average.
  • Unemployed percentage below state average.
  • Black race population percentage significantly below state average.
  • Hispanic race population percentage significantly below state average.
  • Median age significantly above state average.
  • Foreign-born population percentage significantly below state average.
  • Renting percentage significantly below state average.
  • Length of stay since moving in significantly above state average.
  • Number of rooms per house significantly below state average.
  • House age significantly below state average.
  • Institutionalized population percentage significantly above state average.

Educational Attainment (%) in 2000

School Enrollment by Level of School (%) in 2000

Most commonly used house heating fuel:

  • Bottled, tank, or LP gas (49%)
  • Wood (21%)
  • Electricity (14%)
  • Utility gas (9%)
  • Fuel oil, kerosene, etc. (3%)
  • Other fuel (3%)

Presidential Elections Results

1996 2000 2004 2008 2012

1996 Presidential Elections Results

2000 Presidential Elections Results

2004 Presidential Elections Results

2008 Presidential Elections Results

2012 Presidential Elections Results

Graphs represent county-level data. Detailed 2008 Election Results

Religion statistics for Colfax-Summit CCD (based on Placer County data)

Percentage of population affiliated with a religious congregations: 37.21%
Here: 37.2%
USA: 50.2%

Adherents


Breakdown of population affiliated with a religious congregations

NameCatholic ChurchLDS (Mormon) ChurchSouthern Baptist Convention The Evangelical Covenant ChurchAssemblies of God
Adherents42.5%11.0%5.1%4.8%4.7%
Congregations6.1%14.5%7.9%1.2%6.7%
Name Non-Charismatic Churches IndependentChristian Churches and Churches of ChristEvangelical Lutheran Church in AmericaUnited Methodist ChurchOther
Adherents4.2%3.2%3.0%2.5%18.9%
Congregations0.6%1.8%4.2%6.1%50.9%
Source: Jones, Dale E., et al. 2002. Congregations and Membership in the United States 2000. Nashville, TN: Glenmary Research Center.
Tables represent county-level data.

Food Environment Statistics:

Number of grocery stores: 55
Placer County:

1.66 / 10,000 pop.
California:

2.14 / 10,000 pop.
Number of supercenters and club stores: 2
This county:

0.06 / 10,000 pop.
State:

0.04 / 10,000 pop.
Number of convenience stores (no gas): 20
Placer County:

0.60 / 10,000 pop.
California:

0.62 / 10,000 pop.
Number of convenience stores (with gas): 74
Placer County:

2.23 / 10,000 pop.
State:

1.49 / 10,000 pop.
Number of full-service restaurants: 299
Here:

9.00 / 10,000 pop.
State:

7.42 / 10,000 pop.
Adult diabetes rate:
This county:

6.7%
California:

7.3%
Adult obesity rate:
Placer County:

17.6%
California:

21.3%
Low-income preschool obesity rate:
This county:

14.5%
State:

17.9%

10.40% of this county's 2006 resident taxpayers lived in other counties in 200560,988 ($ average adjusted gross income)

Here:

10.40%
California average:

5.75%

0.09% of residents moved from foreign countries($223 average AGI)
Placer County:

0.09%
California average:

0.21%

Top counties from which taxpayers relocated into this county between 2005 and 2006:
from Sacramento County, CA  4.03% ($53,823 average AGI)
from Santa Clara County, CA  0.46% ($115,389)
from Nevada County, CA  0.43% ($56,388)


8.54% of this county's 2005 resident taxpayers moved to other counties in 200649,557 ($ average adjusted gross income)

Here:

8.54%
California average:

6.27%

0.05% of residents moved to foreign countries($231 average AGI)
Placer County:

0.05%
California average:

0.11%

Top counties to which taxpayers relocated from this county between 2005 and 2006:
to Sacramento County, CA  2.92% ($42,526 average AGI)
to Nevada County, CA  0.38% ($48,445)
to Yuba County, CA  0.28% ($50,605)

Strongest AM radio stations in Colfax-Summit:

  • KNCO (830 AM; 5 kW; GRASS VALLEY, CA; Owner: NEVADA COUNTY BROADCASTERS, INC.)
  • KFIA (710 AM; 25 kW; CARMICHAEL, CA; Owner: VISTA BROADCASTING INC.)
  • KKOH (780 AM; 50 kW; RENO, NV; Owner: CITADEL BROADCASTING COMPANY)
  • KFBK (1530 AM; 50 kW; SACRAMENTO, CA; Owner: AMFM RADIO LICENSES, L.L.C.)
  • KAHI (950 AM; 10 kW; AUBURN, CA; Owner: IHR EDUCATIONAL BROADCASTING)
  • KHTK (1140 AM; 50 kW; SACRAMENTO, CA; Owner: INFINITY RADIO SUBSIDIARY OPERATIONS INC.)
  • KSTE (650 AM; 25 kW; RANCHO CORDOVA, CA; Owner: AMFM RADIO LICENSES, L.L.C.)
  • KCBC (770 AM; 50 kW; RIVERBANK, CA; Owner: KIERTRON, INC.)
  • KLIB (1110 AM; 10 kW; ROSEVILLE, CA; Owner: WAY BROADCASTING, INC.)
  • KCBS (740 AM; 50 kW; SAN FRANCISCO, CA; Owner: INFINITY BROADCASTING OPERATIONS, INC.)
  • KFSG (1690 AM; 10 kW; ROSEVILLE, CA; Owner: WAY BROADCASTING, INC.)
  • KNBR (680 AM; 50 kW; SAN FRANCISCO, CA; Owner: KNBR LICO, INC.)
  • KTRB (860 AM; 50 kW; MODESTO, CA; Owner: PAPPAS RADIO OF CALIFORNIA, A CALIFORNIA LIMITED PARTNERSHIP)

Strongest FM radio stations in Colfax-Summit:

  • KVMR (89.5 FM; NEVADA CITY, CA; Owner: NEVADA CITY COMMUNITY BROADCAST GRUP)
  • KLVS (99.3 FM; GRASS VALLEY, CA; Owner: EDUCATIONAL MEDIA FOUNDATION)
  • KNCO-FM (94.1 FM; GRASS VALLEY, CA; Owner: NEVADA COUNTY BROADCASTERS, INC.)
  • KTKE (101.5 FM; TRUCKEE, CA; Owner: TRUCKSTER BROADCASTING, INC.)
  • KRNO (106.9 FM; INCLINE VILLAGE, NV; Owner: AMERICOM LAS VEGAS LIMITED PARTNERSHIP)
  • KODS (103.7 FM; CARNELIAN BAY, CA; Owner: AMERICOM, A CALIFORNIA LIMITED PARTNERSHIP)
  • KWYL (102.9 FM; SOUTH LAKE TAHOE, CA; Owner: CITADEL BROADCASTING COMPANY)
  • KLCA (96.5 FM; TAHOE CITY, CA; Owner: AMERICOM LAS VEGAS LIMITED PARTNERSHIP)
  • KKTO (90.5 FM; TAHOE CITY, CA; Owner: CALIFORNIA STATE UNIVERSITY)
  • KDOT (104.5 FM; RENO, NV; Owner: LOTUS RADIO CORP.)
  • KOZZ-FM (105.7 FM; RENO, NV; Owner: LOTUS RADIO CORP.)
  • KTHX-FM (100.1 FM; DAYTON, NV; Owner: NM LICENSING, LLC)
  • KXCL (103.9 FM; YUBA CITY, CA; Owner: HARLAN COMMUNICATIONS, INC.)
  • KHGQ (100.3 FM; QUINCY, CA; Owner: KEILY MILLER)
  • KSRN (107.7 FM; KINGS BEACH, CA; Owner: NM LICENSING, LLC)
  • K285EQ (104.9 FM; VERDI, NV; Owner: AMERICOM, A CALIFORNIA LIMITED PARTNERSHIP)
  • KBUL-FM (98.1 FM; CARSON CITY, NV; Owner: CITADEL BROADCASTING COMPANY)
  • KNEV (95.5 FM; RENO, NV; Owner: CITADEL BROADCASTING COMPANY)
  • KNIS (91.3 FM; CARSON CITY, NV; Owner: WESTERN INSPIRATIONAL BROADCASTERS, INC)
  • KUNR (88.7 FM; RENO, NV; Owner: UNIVERSITY OF NEVADA, RENO)

TV broadcast stations around Colfax-Summit:

  • KMMK-LP (Channel 14; SACRAMENTO, CA; Owner: CABALLERO TELEVISION TEXAS, L.L.C.)
  • KEZT-CA (Channel 23; SACRAMENTO, CA; Owner: TELEFUTURA SACRAMENTO LLC)
  • K16CX (Channel 16; GRASS VALLEY, CA; Owner: SIERRA JOINT JR. COLLEGE DISTRICT)

Colfax-Summit on our top lists:

  • #32 on the list of "Top 101 cities with largest percentage of females in occupations: Education, training, and library occupations: (population 5,000+)"
  • #49 on the list of "Top 101 cities with the largest differences between morning and afternoon humidity (population 5,000+)"
  • #66 on the list of "Top 101 cities with the largest percentage of people in hospitals/wards and hospices for chronically ill (population 5,000+)"
  • #75 on the list of "Top 101 cities with largest percentage of males working in industry: Fuel dealers (population 5,000+)"
  • #89 on the list of "Top 101 cities with the largest percentage of people in other hospitals or wards for chronically ill"
  • #15 on the list of "Top 101 counties with the highest Ozone (8-hour) air pollution readings in 2005 (ppm)"
  • #31 on the list of "Top 101 counties with the highest Particulate Matter (PM2.5) 24-hour air pollution readings in 2005 (µg/m3)"
  • #54 on the list of "Top 101 counties with the highest Ozone (1-hour) air pollution readings in 2005 (ppm)"
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