San Miguel (Contra Costa County) is a community in Contra Costa County, California, home to about 3,967 people across 1.1 square miles. It has no ZIP code of its own: it’s part of 94596.
Homes sold for a median of $653 per square foot in the three months ending August 2026, a seller’s market.
Mostly Walnut Creek; part is in San Miguel (Contra Costa County)
Each card is that ZIP code’s whole market, including any part outside San Miguel (Contra Costa County). Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up San Miguel (Contra Costa County)’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)16 miles away |
|---|---|
| Closer regional airport | Buchanan Field (CCR)6 miles away |
| Nearest city of 250,000+ | Oakland, CA13 miles away |
| Nearest city of 1 million+ | Los Angeles, CA337 miles away |
Straight-line distances from the center of San Miguel (Contra Costa County); 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 Miguel (Contra Costa County) had 3,591 residents in the 2020 census, up 6% since 2010.
It’s the 708th largest of 1,563 towns in California by population.
Contra Costa County grew from 18,046 residents in 1900 to 1,165,927 in 2020.
Contra Costa County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 88°F in summer, and winter lows average 41°F. About 17.9 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Concord Wwtp, CA weather station (5 miles away).
343,690 jobs at 25,932 businesses in Contra Costa County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
1,282 doctors and other health care providers list an office in San Miguel (Contra Costa County).
Nearest hospitals
Providers with an office here
| Primary care doctors | 117 |
|---|---|
| Specialist doctors | 405 |
| Dentists | 90 |
| Nurse practitioners and physician assistants | 79 |
| Mental health providers | 480 |
| Physical and occupational therapists | 62 |
| Optometrists | 17 |
| Chiropractors | 32 |
| Pharmacies | 11 |
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 (3 nearby)
Pharmacies (1 nearby)
Libraries (1 nearby)
Museums
Theaters and performance venues (1 nearby)
Counts are within about 1 mile 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 Walnut Creek Elementary, Acalanes Union High. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Murwood ElementaryWalnut Creek | K–5 | 451 | Public | 1.5 mi |
| Walnut Heights ElementaryWalnut Creek | K–5 | 427 | Public | 1.2 mi |
| Las Lomas HighWalnut Creek | 9–12 | 1,577 | Public | 1.0 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| My Spanish VillageWalnut Creek | Pre-K–K | 6 | Nonsectarian | 0.8 mi |
| St Mary Elementary SchoolWalnut Creek | Pre-K–8 | 300 | Roman Catholic | 1.0 mi |
| Wcpc PreschoolWalnut Creek | Pre-K–TK | 11 | Presbyterian | 0.7 mi |
| Lindamood-Bell Learning Processes Walnut CreekWalnut Creek | 2–6 | 4 | Nonsectarian | 0.5 mi |
| Noble Learning Academy LlcWalnut Creek | 6–8 | 41 | Nonsectarian | 0.8 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 Walnut Creek.
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.