Martinez, Contra Costa County
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| City | Martinez |
| State | California (CA) |
| County | Contra Costa |
| Country | United States of America |
| Timezone | Pacific Time (America/Los_Angeles) |
| Latitude | 38.019366 |
| Longitude | -122.134132 |
| Population | 36,903 |
| Density | 1127.7 /km² |
| Incorporated | N/A |
| ZIP Code(s) | 92274, 95370, 94553 |
| Area Code | 408, 669, 510 |
| County Seat | Martinez |
| School District | Martinez Unified School District |
Martinez is a locality in Contra Costa County, California, United States. It has a population of 36,903. The population density is 1127.7 people per km². Martinez is located at 38.0194°N, 122.1341°W. It observes the Pacific Time (America/Los_Angeles) timezone. ZIP code: 94553.
Martinez, a place where the sun, when it begins its slow descent, casts a honeyed glow across the rolling hills that cradle the Carquinez Strait. It lies 2.5 miles south-south-east of Benicia, CA (from Benicia, CA: bearing 147°T), and is situated 6.3 miles west-north-west of Concord. The air here carries a briny tang, a constant reminder of the vast Pacific that lies just beyond the horizon, yet the land itself is a mosaic of ochre earth and stubborn green, punctuated by the stoic silhouettes of eucalyptus trees. The gentle slope of the terrain guides the eye toward the shimmering expanse of the waterway, where the rhythmic pulse of small boats creates a quiet counterpoint to the distant hum of industry. This is a landscape shaped by wind and water, a place where the raw power of nature has softened into a welcoming embrace, inviting contemplation and a sense of enduring presence. The history of Martinez is deeply entwined with its strategic position on the strait, a natural gateway that has drawn settlers and industry for generations. Once a vital hub for the railroad and a burgeoning center for oil refining, the echoes of its industrial past can still be felt in the sturdy, practical architecture and the enduring spirit of its people. The local economy, though diversified, still retains a connection to its maritime roots, with marinas and waterfront businesses contributing to the town's character. Beyond the functional, Martinez has also fostered a creative undercurrent, attracting artists and musicians who find inspiration in its unique light and unpretentious charm, adding a layer of quiet vibrancy to the daily rhythm of this enduring California settlement.
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This page provides an embedded street and satellite map of Martinez, California — switch between views using the small square in the bottom left-hand corner of the map. Coordinates: 38.019366, -122.134132. Live weather conditions are sourced directly from the National Weather Service, with current observations and a 7-day forecast also powered by Open-Meteo. Real-time local news and world news feeds keep the page current, while a Wikipedia summary or an editorially written description provides background on Martinez and Contra Costa County.
Detailed location data for Martinez includes the ZIP code (92274), telephone area code (408, 669, 510), county seat of Contra Costa County (Martinez), and school district assignment (Martinez Unified School District). These are among the most commonly searched location details for any US city or town.
Location data is drawn from the USGS Geographic Names Information System (GNIS) and cross-verified against 2020 US Census records by coordinate proximity — ensuring the correct Martinez is identified even where the name is shared across multiple counties or states. Population figures are sourced from the 2020 US Census.
| Page generated | July 2026 |
| Location data | SimpleMaps US Cities Database; coordinates matched to USGS GNIS definitive data |
| Wikipedia validation | Article content matched to USGS GNIS coordinates via Wikipedia geosearch API. Location verified by proximity — not name matching alone. |