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
San Anselmo covers 2.7 sq mi of land at 4752 people per square mile.
About San Anselmo, CA
San Anselmo is a city in California with a population of 12,711. It ranks #438 among cities in California by population. The median age is 45.7, older than the national median. The population is 50.1% male and 49.9% female.
The median household income in San Anselmo is $170,457, above the US median of $74,580. 1.3% of residents live below the federal poverty level. Home values sit at a median of $1,524,300, with monthly rent averaging $2,750. The homeownership rate of 67.9% is higher than the national rate of 64.8%.
Educational attainment in San Anselmo reflects 70.8% of adults 25 and older holding a bachelor's degree or higher, above the national average of 34.3%. Roughly 29.2% of workers primarily work from home, noticeably above the national work-from-home rate of 14.2%. The average commute is 29.0 minutes each way.
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% |
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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).
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.