Bloomfield is a community in Marin County, California, home to about 324 people across 8.1 square miles. It has no ZIP code of its own: it’s part of 94952.
Homes sold for a median of $656 per square foot in the three months ending August 2026, a seller’s market.
Mostly Petaluma; part is in Bloomfield
Each card is that ZIP code’s whole market, including any part outside Bloomfield. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Bloomfield’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)44 miles away |
|---|---|
| Closer regional airport | Charles M. Schulz Sonoma County Airport (STS)20 miles away |
| Nearest city of 250,000+ | Oakland, CA41 miles away |
| Nearest city of 1 million+ | Los Angeles, CA376 miles away |
Straight-line distances from the center of Bloomfield; 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.
Bloomfield had 338 residents in the 2020 census, down 2% since 2010.
It’s the 1303rd 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 82°F in summer, and winter lows average 38°F. About 25.6 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Petaluma Ap, CA weather station (4 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).
433 doctors and other health care providers list an office in Bloomfield.
Nearest hospitals
Providers with an office here
| Primary care doctors | 11 |
|---|---|
| Specialist doctors | 5 |
| Dentists | 35 |
| Nurse practitioners and physician assistants | 12 |
| Mental health providers | 307 |
| Physical and occupational therapists | 33 |
| Optometrists | 8 |
| Chiropractors | 22 |
| Pharmacies | 4 |
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 (6 nearby)
Grocery stores (2 nearby)
Pharmacies
Libraries
Museums
Theaters and performance venues (2 nearby)
Counts are within about 2 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.
Public schools here are run by Cinnabar Elementary, Dunham Elementary, Petaluma City Elementary and others. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Cinnabar CharterPetaluma | K–8 | 156 | Charter | 1.5 mi |
| Cinnabar ElementaryPetaluma | K | 20 | Public | 1.5 mi |
| Dunham CharterPetaluma | K–6 | 166 | Charter | 7.1 mi |
| Dunham ElementaryPetaluma | K–6 | 9 | Public | 7.1 mi |
| Grant ElementaryPetaluma | K–6 | 386 | Public | 2.9 mi |
| Heartwood CharterPetaluma | K–12 | 739 | Charter | 3.1 mi |
| Laguna ElementaryPetaluma | K–6 | 9 | Public | 3.5 mi |
| Liberty Independent StudyPetaluma | K–12 | — | Charter | 3.1 mi |
| Liberty PrimaryPetaluma | K–1 | 56 | Public | 3.1 mi |
| Lincoln UnionPetaluma | K–6 | — | Public | 6.4 mi |
| Live Oak CharterPetaluma | K–8 | 271 | Charter | 2.6 mi |
| Mary Collins Charter School at Cherry ValleyPetaluma | K–8 | 494 | Charter | 1.2 mi |
| McKinley ElementaryPetaluma | K–6 | 368 | Public | 2.4 mi |
| McNear ElementaryPetaluma | K–6 | 343 | Public | 2.5 mi |
| South County ConsortiumPetaluma | K–12 | 129 | Special Education | 2.0 mi |
| Two Rock ElementaryPetaluma | K–6 | 135 | Public | 5.6 mi |
| Valley Oaks Elementary (Alternative)Petaluma | K–6 | — | Alternative Education | 2.7 mi |
| Valley Vista ElementaryPetaluma | K–6 | 155 | Public | 1.4 mi |
| Wilson ElementaryPetaluma | K–6 | 235 | Public | 0.5 mi |
| Liberty ElementaryPetaluma | 1–6 | 162 | Charter | 3.1 mi |
| Petaluma Accelerated CharterPetaluma | 7–8 | 115 | Charter | 2.4 mi |
| Petaluma Junior HighPetaluma | 7–8 | 454 | Public | 1.2 mi |
| Valley Oaks High (Alternative)Petaluma | 7–12 | 43 | Alternative Education | 2.7 mi |
| Carpe Diem High (Continuation)Petaluma | 9–12 | 19 | Alternative Education | 2.0 mi |
| Petaluma HighPetaluma | 9–12 | 1,193 | Public | 1.9 mi |
| San Antonio High (Continuation)Petaluma | 9–12 | 65 | Alternative Education | 2.7 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| The Spring Hill SchoolPetaluma | Pre-K–8 | 109 | Nonsectarian | 3.1 mi |
| St Vincent De Paul Elementary SchoolPetaluma | K–8 | 192 | Roman Catholic | 1.7 mi |
| St Vincent De Paul High SchoolPetaluma | 9–12 | 169 | Roman Catholic | 1.5 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 Petaluma, Petaluma Center and Valley Ford.
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.