San Anselmo, California Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of San Anselmo, California is 12,711 as of the 2023 American Community Survey, making it the 438th-largest city in California. The median household income is $170,457, the median home value is $1,524,300, and the median age is 45.7.
The population has grown 2.6% since 2010 (12,320 → 12,645).
12,711
Population
4752
People / sq mi
$170,457
Median Income
$1,524,300
Median Home Value
Get San Anselmo's next ACS population data
Subscribe for Population Review updates by email. No spam, unsubscribe anytime.
San Anselmo covers 2.7 sq mi of land at 4752 people per square mile.
About San Anselmo, CA
In San Anselmo, home values do the distinguishing — a median of $1,524,300. San Anselmo is a city in California with a population of 12,711.
Income is a real outlier — the median household pulls in $170,457, putting San Anselmo near the top of US cities. Poverty is among the lowest of comparable US cities, at 1.3% — below the national 12.4%. Real estate commands a premium here — a median home value of $1,524,300, with typical rent around $2,750.
San Anselmo is among the best-educated US cities: 70.8% of adults 25 and older hold a bachelor’s degree, above the national 35.0%. An unusually large 29.2% of workers are remote, above the national 14.0%, and the average commute runs about 29 minutes each way.
High housing values reframe the income picture in San Anselmo — even solid earnings stretch less against home prices and rents at this level.
San Anselmo town Population History (2010-2024)
The city of San Anselmo town had a population of 12,320 in 2010 and 12,645 in 2024, a 2.6% growth over 14 years. The peak was 12,815 in 2020. Average annual growth rate: 0.19%.
12,645
Population (2024)
12,320
Population (2010)
12,815
Peak (2020)
0.19%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 12,320 |
| 2011 | 12,418 |
| 2012 | 12,472 |
| 2013 | 12,586 |
| 2014 | 12,623 |
| 2015 | 12,608 |
| 2016 | 12,572 |
| 2017 | 12,523 |
| 2018 | 12,522 |
| 2019 | 12,476 |
| 2020 | 12,815 |
| 2021 | 12,774 |
| 2022 | 12,637 |
| 2023 | 12,569 |
| 2024 | 12,645 |
Race & Ethnicity
| White | 79.6% |
| Black or African American | 1.4% |
| Asian | 0.5% |
| Hispanic or Latino (any race) | 1.6% |
| Two or More Races | 0.0% |
Economy & Income
$170,457
Median Household Income
$98,602
Per Capita Income
1.3%
Poverty Rate
3.8%
Unemployment Rate
Housing
$1,524,300
Median Home Value
$2,750
Median Rent
67.9%
Owner-Occupied
Education
97.6%
High School+
70.8%
Bachelor's+
Commute
4.8%
Drive Alone
55.9%
Public Transit
29.2%
Work From Home
29.0 min
Avg Commute
Community Profile
30.3%
Foreign Born
92.3%
Non-English at Home
3.1%
Veterans
8.6%
With Disability
98.1%
Health Insurance
98.0%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 24.2% |
| Finance, Insurance & Real Estate | 23.3% |
| Information | 9.2% |
| Education, Health Care & Social Services | 7.6% |
| Construction | 7.1% |
| Transportation & Warehousing | 5.1% |
| Public Administration | 3.9% |
| Manufacturing | 3.6% |
| Arts, Entertainment & Food Services | 3.3% |
| Retail Trade | 2.9% |
Largest cities in California
Largest counties in California
Part of California
Metro areas in California
City rankings
Frequently Asked Questions
San Anselmo, California has a population of 12,711 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 438th-largest city in California.
The median household income in San Anselmo, California is $170,457, with 1.3% of residents living below the federal poverty level.
The median home value in San Anselmo, California is $1,524,300, with median monthly rent at $2,750 and a homeownership rate of 67.9%.
The median age in San Anselmo, California is 45.7 years. The population is 50.1% male and 49.9% female.
The population has grown 2.6% since 2010 (12,320 → 12,645).
Where to stay in San Anselmo
Visiting or relocating to San Anselmo, CA? Compare hotels and short-term rentals across the metro — live availability and prices.
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
More from California
Population 3,857,897
Population 1,385,061
Population 990,054
Population 836,321
Population 543,615
Full rankings of California cities by population
Statewide data for California
Population, race, income, age, and trends across California
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.