Martinez is a city in Contra Costa County, California, home to about 36,903 people across 13 square miles. Its ZIP code is 94553.
Homes sold for a median of $473 per square foot in the three months ending August 2026, a seller’s market.
Mostly Martinez; also Pacheco and Vine Hill
Each card is that ZIP code’s whole market, including any part outside Martinez. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Martinez’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)19 miles away |
|---|---|
| Closer regional airport | Buchanan Field (CCR)4 miles away |
| Nearest city of 250,000+ | Oakland, CA16 miles away |
| Nearest city of 1 million+ | Los Angeles, CA344 miles away |
Straight-line distances from the center of Martinez; 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.
Martinez had 37,287 residents in the 2020 census, up 4% since 2000.
It’s the 231st 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 35°F. About 19.4 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Martinez Wtp, CA weather station (2 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).
1,008 doctors and other health care providers list an office in Martinez.
Nearest hospitals
Providers with an office here
| Primary care doctors | 264 |
|---|---|
| Specialist doctors | 146 |
| Dentists | 46 |
| Nurse practitioners and physician assistants | 89 |
| Mental health providers | 364 |
| Physical and occupational therapists | 86 |
| Optometrists | 7 |
| Chiropractors | 6 |
| 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 (16 nearby)
Grocery stores (3 nearby)
Pharmacies (1 nearby)
Libraries (2 nearby)
Museums (3 nearby)
Theaters and performance venues (2 nearby)
Counts are within about 2.5 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.
Established in 1849.
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 Martinez Unified, Mt. Diablo Unified, Contra Costa County Office of Education. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Briones (Alternative)Martinez | K–12 | 48 | Alternative Education | 2.0 mi |
| Hidden Valley ElementaryMartinez | K–5 | 831 | Public | 2.5 mi |
| John Muir ElementaryMartinez | K–5 | 423 | Public | 1.2 mi |
| John Swett ElementaryMartinez | K–5 | 533 | Public | 0.7 mi |
| Las Juntas ElementaryMartinez | K–5 | 353 | Public | 2.8 mi |
| Morello Park ElementaryMartinez | K–5 | 496 | Public | 2.2 mi |
| Martinez Junior HighMartinez | 6–8 | 843 | Public | 1.9 mi |
| Mt. McKinleyMartinez | 7–12 | 42 | Alternative Education | 2.6 mi |
| Alhambra Senior HighMartinez | 9–12 | 1,028 | Public | 1.1 mi |
| Vicente Martinez HighMartinez | 9–12 | 50 | Alternative Education | 2.0 mi |
| Martinez Early Intervention Preschool Program (MEIPP)Martinez | — | — | Public | 2.0 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| St Catherine of Siena SchoolMartinez | Pre-K–8 | 143 | Roman Catholic | 1.9 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 Pacheco, Vine Hill, Mountain View (Contra Costa County) and Alhambra Valley.
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.