San Anselmo, California Demographics & Population 2026
During the 2020–2024 ACS period, San Anselmo, California had a total population of 12,679, the 438th largest town in California, with a median household income of $173,641, which is 75% higher than the state average. The poverty rate is 7.4%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 75% above the state average — one of the wealthiest communities in California.
- 70.6% of adults hold a bachelor's degree or higher — top 10% in California.
- Housing affordability is a challenge — homes cost 9.1x the median household income.
San Anselmo Quick Facts
How San Anselmo Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 12,711 | 12,679 | -0.3% |
| Median household income | $170,457 | $173,641 | +1.9% |
| Median home value | $1,524,300 | $1,576,700 | +3.4% |
How San Anselmo Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
Moderate diversity with one or two groups making up the majority.
State average: 70 | National average: 61
Education
Educational Attainment (Adults 25+)
San Anselmo Rankings in California
Explore California Rankings
Other Cities in Marin County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| San Rafael | 60,433 | $119,435 | 11.7% | $1,355,600 |
| Novato | 52,546 | $115,736 | 9.6% | $1,032,500 |
| Mill Valley | 14,012 | $206,212 | 5.9% | $2,000,000+ |
| Larkspur | 12,854 | $140,417 | 7.0% | $1,996,600 |
| Tamalpais-Homestead Valley | 12,085 | $243,227 | 3.3% | $1,863,900 |
| Corte Madera | 10,077 | $232,763 | 4.6% | $1,755,200 |
| Tiburon | 9,012 | $232,969 | 1.9% | $2,000,000+ |
| Fairfax | 7,516 | $141,653 | 12.1% | $1,163,600 |
| Sausalito | 7,141 | $182,357 | 8.0% | $1,894,600 |
| Kentfield | 6,900 | $249,896 | 3.9% | $2,000,000+ |
Cities Similar to San Anselmo
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| El Sobrante (Riverside County) | 13,129 | $165,682 | $836,300 | 41.0% | 2.9% |
| Solana Beach | 12,823 | $152,167 | $2,000,000+ | 72.3% | 5.5% |
| Rancho Mission Viejo | 11,971 | $192,813 | $1,110,100 | 62.9% | 2.7% |
| Oak Park | 13,757 | $163,085 | $1,036,900 | 63.0% | 4.2% |
| Larkspur | 12,854 | $140,417 | $1,996,600 | 67.9% | 7.0% |
Population Overview
San Anselmo is a small city located in California, within Marin County. The total population is 12,679. It ranks as the 438th most populous out of 1,570 Census-designated places in California.
Age Demographics
The median age in San Anselmo is 45.6 years. This is 20% higher than the state median of 37.9 years.
Economy, Income & Housing
The median household income in San Anselmo is $173,641. This is 75% higher than the state median of $99,122. It is also 115% higher than the national median of $80,734. The poverty rate stands at 7.4%. This is 38% lower than the state poverty rate of 12.0%. The unemployment rate is 7.0%. This is 7% higher than the state rate of 6.6%. The median home value is $1,576,700. Housing costs are 115% higher than the state median of $734,700. The home-value-to-income ratio of 9.1x suggests that housing affordability is a significant concern for many residents. 68.4% of occupied housing units are owner-occupied. This homeownership rate is 22% higher than the state average of 55.9%.
Race & Ethnicity
The largest racial or ethnic group in San Anselmo is White (non-Hispanic), making up 74.2% of the population. Hispanic or Latino residents account for 10.5%. The White (non-Hispanic) population is significantly higher than the state average (74.2% vs 33.8%). The Black or African American population (1.4%) is well below the state average of 5.2%. The Hispanic or Latino population (10.5%) is well below the state average of 40.2%. The Asian population (6.1%) is well below the state average of 15.3%.
Education
70.6% of residents aged 25 and older hold a bachelor's degree or higher. This places San Anselmo in the top 10% of all cities in the state for educational attainment. This is 90% higher than the state rate of 37.1%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 98.0%. Notably, 30.3% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for San Anselmo, California is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against California state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,570 Census-designated places in California. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of San Anselmo, California?
San Anselmo, California has a population of 12,679 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in San Anselmo, CA?
The median household income in San Anselmo is $173,641, which is 115% higher than the national median of $80,734.
What is the poverty rate in San Anselmo, CA?
The poverty rate in San Anselmo is 7.4%. This means approximately 942 residents live below the federal poverty line.
What is the racial makeup of San Anselmo, California?
San Anselmo's population is 74.2% White, 1.4% Black, 10.5% Hispanic/Latino, and 6.1% Asian.
What is the median home value in San Anselmo, CA?
The median home value in San Anselmo is $1,576,700. The home-value-to-income ratio is 9.1x.
How educated is San Anselmo, California?
70.6% of adults (25+) in San Anselmo hold a bachelor's degree or higher, and 30.3% hold a graduate or professional degree.