Alto, California

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Population in 2010: 711.
Males: 367  (51.7%)
Females: 344  (48.3%)
Median resident age:

48.3 years
California median age:

37.6 years

Zip codes: 94941.

Estimated median household income in 2021: $118,209
Alto:

$118,209
CA:

$84,907

Estimated per capita income in 2021: $80,188

Alto CDP income, earnings, and wages data

Estimated median house or condo value in 2021: over $1,000,000
Alto:

over $1,000,000
CA:

$648,100

Mean prices in 2021: all housing units: over $1,000,000; detached houses: over $1,000,000

Median gross rent in 2021: $2,915.

March 2022 cost of living index in Alto: 125.5 (high, U.S. average is 100)
Percentage of residents living in poverty in 2021: 1.8%

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  • Races in Alto, CA (2021)
    • 72781.5%White alone
    • 10912.2%Hispanic
    • 192.1%Black alone
    • 171.9%Asian alone

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

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.

Ancestries: Swiss (15.8%), Italian (11.0%), German (9.9%), Russian (7.9%), British (7.3%), Danish (5.4%).

Current Local Time: PST time zone

Elevation: 27 feet

142 residents are foreign born (6.8% Europe, 6.2% Latin America, 1.7% Asia).

This place:

15.9%
California:

26.5%

Nearest city with pop. 50,000+: Southeast Marin, CA (1.3 miles , pop. 52,094).

Nearest city with pop. 200,000+: San Francisco, CA (11.1 miles , pop. 776,733).

Nearest city with pop. 1,000,000+: Los Angeles, CA (351.5 miles , pop. 3,694,820).

Nearest cities:

Mill Valley, CA (1.0 miles ),
Strawberry, CA (1.1 miles ),
Southeast Marin, CA (1.1 miles ),
Tamalpais-Homestead Valley, CA (1.2 miles ),
Corte Madera, CA (1.2 miles ),
Larkspur, CA (1.6 miles ),
Marin City, CA (1.6 miles ),
Tiburon, CA (1.8 miles )

Latitude: 37.90 N, Longitude: 122.52 W

Area code commonly used in this area: 415

Distribution of median household income in Alto, CA in 2021
Distribution of house value in Alto, CA in 2021
Unemployment in November 2020:
Here:

3.1%
California:

4.8%
Air pollution and air quality trends
(lower is better)
AQI CO NO2 SO2 Ozone PM2.5 Pb
Air Quality Index

Air Quality Index (AQI) level in 2018 was 104. This is worse than average.

City:

104
U.S.:

74
Carbon Monoxide Level

Carbon Monoxide (CO) [ppm] level in 2018 was 0.394. This is significantly worse than average. Closest monitor was 4.7 miles away from the city center.

City:

0.394
U.S.:

0.267
Nitrogen Dioxide Level

Nitrogen Dioxide (NO2) [ppb] level in 2018 was 10.2. This is significantly worse than average. Closest monitor was 4.7 miles away from the city center.

City:

10.2
U.S.:

5.6
Sulfur Dioxide Level

Sulfur Dioxide (SO2) [ppb] level in 2018 was 0.449. This is significantly better than average. Closest monitor was 7.7 miles away from the city center.

City:

0.449
U.S.:

1.789
Ozone Level

Ozone [ppb] level in 2018 was 22.5. This is significantly better than average. Closest monitor was 4.7 miles away from the city center.

City:

22.5
U.S.:

33.3
Particulate Matter Level

Particulate Matter (PM2.5) [µg/m3] level in 2018 was 12.0. This is significantly worse than average. Closest monitor was 4.7 miles away from the city center.

City:

12.0
U.S.:

8.5
Lead Level

Lead (Pb) [µg/m3] level in 2018 was 0.0115. This is about average. Closest monitor was 9.7 miles away from the city center.

City:

0.0115
U.S.:

0.0098

Earthquake activity:

Alto-area historical earthquake activity is significantly above California state average. It is 7343% 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 26.8 miles away from the city center, causing $524,000,000 total damage
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 68.8 miles away from Alto center, causing 62 deaths (62 shaking deaths) and 3757 injuries, causing $1,305,032,704 total damage
On 11/4/1927 at 13:51:53, a magnitude 7.5 (7.5 UK) earthquake occurred 222.8 miles away from the city center
On 1/31/1922 at 13:17:28, a magnitude 7.6 (7.6 UK) earthquake occurred 252.3 miles away from Alto center
On 7/21/1952 at 11:52:14, a magnitude 7.7 (7.7 UK) earthquake occurred 280.7 miles away from the city center, causing $50,000,000 total damage
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 188.3 miles away from Alto 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 Marin County (22) is greater than the US average (15).
Major Disasters (Presidential) Declared: 15
Emergencies Declared: 2

Causes of natural disasters: Floods: 17, Storms: 9, Mudslides: 7, Winter Storms: 7, Landslides: 6, Drought: 1, Earthquake: 1, Freeze: 1, Heavy Rain: 1, Hurricane: 1, Tornado: 1, Other: 1 (Note: some incidents may be assigned to more than one category).

Hospitals and medical centers near Alto:

  • THE REDWOODS (Nursing Home, about 1 miles away; MILL VALLEY, CA)
  • MILL VALLEY HEALTHCARE CENTER (Nursing Home, about 1 miles away; MILL VALLEY, CA)
  • KINDRED TRANSITIONAL CARE AND REHAB-LARKSPUR (Nursing Home, about 3 miles away; GREENBRAE, CA)
  • MARIN GENERAL HOSPITAL Acute Care Hospitals (about 3 miles away; GREENBRAE, CA)
  • HOSPICE BY THE BAY (Hospital, about 3 miles away; LARKSPUR, CA)
  • THE TAMALPAIS (Nursing Home, about 3 miles away; GREENBRAE, CA)
  • SATELLITE DIALYSIS GREENBRAE (Dialysis Facility, about 4 miles away; GREENBRAE, CA)

Amtrak stations near Alto:

  • 10 miles: SAN FRANCISCO FISHERMANS (SAN FRANCISCO, PIER 39) - Bus Station . Services: fully wheelchair accessible, public payphones, full-service food facilities, paid short-term parking, paid long-term parking, call for taxi service, public transit connection.
  • 10 miles: RICHMOND (16TH ST. & MACDONALD AVE.) . Services: fully wheelchair accessible, enclosed waiting area, public restrooms, public payphones, free short-term parking, call for taxi service, public transit connection.
  • 11 miles: SAN FRANCISCO-FINANCIAL (SAN FRANCISCO, CALIFORNIA & DRUMM STS.) - Bus Station . Services: fully wheelchair accessible, public payphones, full-service food facilities, paid short-term parking, paid long-term parking, call for taxi service, public transit connection.

Colleges/universities with over 2000 students nearest to Alto:

  • College of Marin (about 4 miles; Kentfield, CA; Full-time enrollment: 4,489)
  • University of San Francisco (about 10 miles; San Francisco, CA; FT enrollment: 9,190)
  • Academy of Art University (about 11 miles; San Francisco, CA; FT enrollment: 12,352)
  • Contra Costa College (about 11 miles; San Pablo, CA; FT enrollment: 4,249)
  • San Francisco State University (about 13 miles; San Francisco, CA; FT enrollment: 24,644)
  • City College of San Francisco (about 13 miles; San Francisco, CA; FT enrollment: 17,569)
  • Berkeley City College (about 15 miles; Berkeley, CA; FT enrollment: 3,146)

Points of interest:

Click to draw/clear place borders

Marin County has a predicted average indoor radon screening level less than 2 pCi/L (pico curies per liter) - Low Potential
Average household size:
This place:

2.4 people
California:

2.9 people

Percentage of family households:
This place:

60.6%
Whole state:

68.7%

Percentage of households with unmarried partners:
This place:

5.7%
Whole state:

7.2%


No gay or lesbian households reported

For population 15 years and over in Alto:

Marital status in Alto, CA
  • Never married: 30.5%
  • Now married: 60.1%
  • Separated: 0.0%
  • Widowed: 2.4%
  • Divorced: 7.0%

For population 25 years and over in Alto:

  • High school or higher: 100.0%
  • Bachelor's degree or higher: 71.3%
  • Graduate or professional degree: 44.5%
Educational Attainment in 2021
School Enrollment by Level of School in 2021
Education Gini index (Inequality in education)
Here:

8.0
California average:

15.4

Presidential Elections Results

Graphs represent county-level data. Detailed 2008 Election Results

Religion statistics for Alto, CA (based on Marin County data)

Religions Adherents in 2010
Religions Adherents - Change between 2000 and 2010
ReligionAdherentsCongregations
Catholic77,11430
Other12,11950
Mainline Protestant9,45848
Evangelical Protestant8,81771
Orthodox1,5253
Black Protestant7752
None142,601-
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: 64
Marin County:

2.59 / 10,000 pop.
California:

2.14 / 10,000 pop.
Number of supercenters and club stores: 1
Marin County:

0.04 / 10,000 pop.
California:

0.04 / 10,000 pop.
Number of convenience stores (no gas): 15
Marin County:

0.61 / 10,000 pop.
California:

0.62 / 10,000 pop.
Number of convenience stores (with gas): 32
This county:

1.30 / 10,000 pop.
California:

1.49 / 10,000 pop.
Number of full-service restaurants: 295
Marin County:

11.95 / 10,000 pop.
State:

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

7.0%
California:

7.3%
Adult obesity rate:
Here:

17.1%
State:

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

17.1%
State:

17.9%

Strongest AM radio stations in Alto:

  • KTRB (860 AM; 50 kW; MODESTO, CA; Owner: PAPPAS RADIO OF CALIFORNIA, A CALIFORNIA LIMITED PARTNERSHIP)
  • KCBS (740 AM; 50 kW; SAN FRANCISCO, CA; Owner: INFINITY BROADCASTING OPERATIONS, INC.)
  • KIQI (1010 AM; 35 kW; SAN FRANCISCO, CA; Owner: RADIO UNICA OF SAN FRANCISCO LICENSE CORP.)
  • KNEW (910 AM; 20 kW; OAKLAND, CA; Owner: AMFM RADIO LICENSES, L.L.C.)
  • KNBR (680 AM; 50 kW; SAN FRANCISCO, CA; Owner: KNBR LICO, INC.)
  • KTCT (1050 AM; 50 kW; SAN MATEO, CA; Owner: SUSQUEHANNA RADIO CORP.)
  • KFAX (1100 AM; 50 kW; SAN FRANCISCO, CA; Owner: GOLDEN GATE BROADCASTING CO, INC.)
  • KGO (810 AM; 50 kW; SAN FRANCISCO, CA; Owner: KGO-AM RADIO, INC.)
  • KFRC (610 AM; 5 kW; SAN FRANCISCO, CA; Owner: INFINITY BROADCASTING CORPORATION OF LOS ANGELES)
  • KSFO (560 AM; 5 kW; SAN FRANCISCO, CA; Owner: KGO-AM RADIO, INC.)
  • KYCY (1550 AM; 50 kW; SAN FRANCISCO, CA; Owner: INFINITY BROADCASTING OPERATIONS, INC.)
  • KABL (960 AM; 5 kW; OAKLAND, CA; Owner: AMFM RADIO LICENSES, L.L.C.)
  • KMZT (1510 AM; 8 kW; SAN RAFAEL, CA; Owner: MOUNT WILSON FM BROADCASTERS, INC.)

Strongest FM radio stations in Alto:

  • KSFB-FM (100.7 FM; SAN RAFAEL, CA; Owner: GOLDEN GATE BROADCASTING COMPANY, INC.)
  • KDFC-FM (102.1 FM; SAN FRANCISCO, CA; Owner: BONNEVILLE HOLDING COMPANY)
  • KISQ (98.1 FM; SAN FRANCISCO, CA; Owner: AMFM RADIO LICENSES, L.L.C.)
  • KEAR (106.9 FM; SAN FRANCISCO, CA; Owner: FAMILY STATIONS, INC.)
  • KSOL-FM2 (98.9 FM; SAUSALITO, ETC., CA; Owner: TMS LICENSE CALIFORNIA, INC)
  • KOIT-FM (96.5 FM; SAN FRANCISCO, CA; Owner: BONNEVILLE HOLDING COMPANY)
  • KKSF (103.7 FM; SAN FRANCISCO, CA; Owner: AMFM RADIO LICENSES, L.L.C.)
  • KFOG (104.5 FM; SAN FRANCISCO, CA; Owner: KFFG LICO, INC)
  • KSOL (98.9 FM; SAN FRANCISCO, CA; Owner: TMS LICENSE CALIFORNIA, INC)
  • KALW (91.7 FM; SAN FRANCISCO, CA; Owner: SAN FRANCISCO UNIFIED SCHOOL DIST.)
  • KYLD (94.9 FM; SAN FRANCISCO, CA; Owner: AMFM RADIO LICENSES, L.L.C.)
  • KMEL (106.1 FM; SAN FRANCISCO, CA; Owner: AMFM RADIO LICENSES, L.L.C.)
  • KZBR (95.7 FM; SAN FRANCISCO, CA; Owner: BONNEVILLE HOLDING COMPANY)
  • KBLX-FM (102.9 FM; BERKELEY, CA; Owner: ICBC BROADCAST HOLDINGS - CA, INC.)
  • KFRC-FM (99.7 FM; SAN FRANCISCO, CA; Owner: INFINITY KFRC-FM, INC.)
  • KQED-FM (88.5 FM; SAN FRANCISCO, CA; Owner: KQED, INC.)
  • KSAN (107.7 FM; SAN MATEO, CA; Owner: SUSQUEHANNA RADIO CORP.)
  • KKSF-FM1 (103.7 FM; PLEASANTON, ETC., CA; Owner: AMFM RADIO LICENSES, L.L.C.)
  • KITS (105.3 FM; SAN FRANCISCO, CA; Owner: INFINITY BROADCASTING OPERATIONS, INC.)
  • KIOI (101.3 FM; SAN FRANCISCO, CA; Owner: AMFM RADIO LICENSES, L.L.C.)

TV broadcast stations around Alto:

  • KQED (Channel 9; SAN FRANCISCO, CA; Owner: KQED, INC.)
  • KGO-TV (Channel 7; SAN FRANCISCO, CA; Owner: KGO TELEVISION, INC.)
  • KPIX-TV (Channel 5; SAN FRANCISCO, CA; Owner: CBS BROADCASTING INC.)
  • KTVU (Channel 2; OAKLAND, CA; Owner: KTVU PARTNERSHIP)
  • KRON-TV (Channel 4; SAN FRANCISCO, CA; Owner: YOUNG BROADCASTING OF SAN FRANCISCO, INC.)
  • KMTP-TV (Channel 32; SAN FRANCISCO, CA; Owner: MINORITY TELEVISION PROJECT)
  • KBHK-TV (Channel 44; SAN FRANCISCO, CA; Owner: VIACOM TELEVISION STATIONS GROUP OF SAN FRANCISCO INC.)
  • KBWB (Channel 20; SAN FRANCISCO, CA; Owner: KBWB LICENSE, INC.)
  • KFSF (Channel 66; VALLEJO, CA; Owner: TELEFUTURA SAN FRANCISCO LLC)
  • KCNS (Channel 38; SAN FRANCISCO, CA; Owner: WRAY, INC.)
  • KCSM-TV (Channel 60; SAN MATEO, CA; Owner: SAN MATEO COUNTY COMMUNITY COLLEGE DISTRICT)
  • KSPX (Channel 29; SACRAMENTO, CA; Owner: PAXSON SACRAMENTO LICENSE, INC.)
  • KOVR (Channel 13; STOCKTON, CA; Owner: SCI - SACRAMENTO LICENSEE, LLC)
  • KXTV (Channel 10; SACRAMENTO, CA; Owner: KXTV, INC.)
  • KTXL (Channel 40; SACRAMENTO, CA; Owner: CHANNEL 40, INC.)
  • KUVS (Channel 19; MODESTO, CA; Owner: KUVS LICENSE PARTNERSHIP, G.P.)
  • KQCA (Channel 58; STOCKTON, CA; Owner: KCRA HEARST-ARGYLE TELEVISION, INC.)
  • KVIE (Channel 6; SACRAMENTO, CA; Owner: KVIE, INC.)
  • KTSF (Channel 26; SAN FRANCISCO, CA; Owner: LINCOLN BROADCASTING COMPANY, A CALIFORNIA LP)
  • KTNC-TV (Channel 42; CONCORD, CA; Owner: KTNC LICENSE, LLC)

FCC Registered Broadcast Land Mobile Towers:

1
  • 308 Reed Blvd (Lat: 37.894361 Lon: -122.491361), Call Sign: KMJ614,
    Assigned Frequencies: 46.1200 MHz, 46.5000 MHz, 154.280 MHz, Grant Date: 10/29/2004, Expiration Date: 01/10/2015, Cancellation Date: 05/22/2012, Registrant: County Of Marin, San Rafael, CA 94913, Phone: (415) 499-7242, Fax: (415) 499-3738, Email:

FAA Registered Aircraft:

1
  • Aircraft: CONSOLIDATED VULTEE BT-13B (SNV-2) (Category: Land, Seats: 2, Weight: Up to 12,499 Pounds, Speed: 108 mph), Engine: P&W R-985 SERIES (450 HP) (Reciprocating)
    N-Number: 62924, N62924, N-62924, Serial Number: 79314, Year manufactured: 1943
    Registrant (Corporation): Universal Air Svc, 250 Del Medio Palo, Alto, CA 00000
    Deregistered: Cancel Date: 11/21/2017

Houses and condos Apartments
Most commonly used house heating fuel in houses and condos in Alto, CA
  • 78.1%Utility gas
  • 21.9%Electricity
Most commonly used house heating fuel in apartments in Alto, CA
  • 58.2%Utility gas
  • 41.8%Electricity


Alto compared to California state average:

  • Median house value significantly above state average.
  • Unemployed percentage significantly below state average.
  • Black race population percentage below state average.
  • Hispanic race population percentage below state average.
  • Median age significantly above state average.
  • House age above state average.
  • Number of college students significantly below state average.
  • Percentage of population with a bachelor's degree or higher significantly above state average.

Alto on our top lists:

  • #33 on the list of "Top 101 cities with the most residents born in Guatemala (population 500+)"
  • #36 on the list of "Top 101 cities with the most residents born in Brazil (population 500+)"
  • #40 on the list of "Top 101 cities with the most residents born in Northern Europe (population 500+)"
  • #28 (94941) on the list of "Top 101 zip codes with the largest percentage of taxpayers reporting profit/loss from business in 2012 (pop 5,000+)"
  • #13 on the list of "Top 101 counties with the largest number of people without health insurance coverage in 2000 (pop. 50,000+)"
  • #17 on the list of "Top 101 counties with the highest carbon monoxide air pollution readings in 2012 (ppm)"
  • #17 on the list of "Top 101 counties with the lowest Ozone (1-hour) air pollution readings in 2012 (ppm)"
  • #30 on the list of "Top 101 counties with highest percentage of residents voting for Obama (Democrat) in the 2012 Presidential Election (pop. 50,000+)"
  • #43 on the list of "Top 101 counties with the lowest number of births per 1000 residents 2007-2013"
Cost of Living Calculator
Top Patent Applicants
Top Patent Applicants
  • Paul D. Corl (1)

Total of 1 patent application in 2008-2024.