San Anselmo is a town in Marin County, California, home to about 12,679 people across 2.7 square miles. Its ZIP code is 94960.
Homes sold for a median of $991 per square foot in the three months ending August 2026, a seller’s market.
Mostly San Anselmo; also Sleepy Hollow
Each card is that ZIP code’s whole market, including any part outside San Anselmo. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up San Anselmo’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Oakland San Francisco Bay Airport (OAK)26 miles away |
|---|---|
| Nearest city of 250,000+ | Oakland, CA24 miles away |
| Nearest city of 1 million+ | Los Angeles, CA359 miles away |
Straight-line distances from the center of San Anselmo; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
San Anselmo had 12,830 residents in the 2020 census, up 4% since 2000.
It’s the 438th largest of 1,563 towns in California by population.
Marin County grew from 15,702 residents in 1900 to 262,321 in 2020.
Marin County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 81°F in summer, and winter lows average 42°F. About 34.5 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, San Rafael Civic Ctr, CA weather station (2 miles away).
106,249 jobs at 10,049 businesses in Marin County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
169 doctors and other health care providers list an office in San Anselmo.
Nearest hospitals
Providers with an office here
| Primary care doctors | 6 |
|---|---|
| Specialist doctors | 4 |
| Dentists | 16 |
| Nurse practitioners and physician assistants | 4 |
| Mental health providers | 99 |
| Physical and occupational therapists | 26 |
| Optometrists | 3 |
| Chiropractors | 11 |
| Pharmacies | 3 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (12 nearby)
Grocery stores (8 nearby)
Pharmacies (2 nearby)
Libraries (2 nearby)
Museums (1 nearby)
Theaters and performance venues
Counts are within about 1.5 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Notable people born here
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Ross Valley Elementary, Tamalpais Union High. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Brookside ElementarySan Anselmo | K–5 | 278 | Public | 0.5 mi |
| Hidden Valley ElementarySan Anselmo | K–5 | 274 | Public | 1.5 mi |
| Wade Thomas ElementarySan Anselmo | K–5 | 292 | Public | 0.9 mi |
| Archie Williams HighSan Anselmo | 9–12 | 1,141 | Public | 0.1 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Irene M. Hunt SchoolSan Anselmo | K–12 | 63 | Nonsectarian | 0.6 mi |
| San Domenico SchoolSan Anselmo | K–12 | 679 | Nonsectarian | 2.5 mi |
| Oak Hill SchoolSan Anselmo | Ungraded | 52 | Nonsectarian | 0.5 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Sleepy Hollow.
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.