Clayton, Contra Costa County
Clayton, California — interactive Google street map, satellite and terrain views, Street View, live National Weather Service conditions and 7-day forecasts, real-time local and world news, and an editorial description of Clayton, Contra Costa County.
| City | Clayton |
| State | California (CA) |
| County | Contra Costa |
| Country | United States of America |
| Timezone | Pacific Time (America/Los_Angeles) |
| Latitude | 37.941034 |
| Longitude | -121.935792 |
| Population | 10,937 |
| Density | 1102.2 /km² |
| Incorporated | N/A |
| ZIP Code(s) | 95648, 94517 |
| Area Code | 530, 510 |
| County Seat | Martinez |
| School District | Mount Diablo Unified School District |
Clayton is a locality in Contra Costa County, California, United States. It has a population of 10,937. The population density is 1102.2 people per km². Clayton is located at 37.9410°N, 121.9358°W. It observes the Pacific Time (America/Los_Angeles) timezone. ZIP code: 94517.
Clayton rests in a bowl of rolling hills, a landscape sculpted by the persistent winds that sweep down from the surrounding peaks. It lies 5.8 miles east-south-east of Concord, CA (from Concord, CA: bearing 116°T), and is situated 8.3 miles west-south-west of Antioch. The air here, especially as the sun begins its descent, carries a dry, sun-warmed scent of chaparral and the distant, faint tang of eucalyptus, a perfume that clings to the terracotta roofs and adobe-colored walls. Oak trees, gnarled and ancient, dot the slopes, their branches reaching like weathered hands towards a sky that often bleeds from a pale robin’s egg blue to a fiery orange and deep violet at day’s end. The streets of Clayton possess a quiet dignity, a sense of lived-in comfort, where the sun-baked sidewalks absorb the day’s heat, releasing it slowly into the evening air. This is a place where the echoes of its past as a ranching and agricultural hub still whisper through the modern streets, though the economy has diversified, finding new life in service industries and the burgeoning tech sector that draws people from the wider Bay Area. The old downtown, with its charming, independent shops and restaurants, retains a character that speaks of a time when Clayton was a more self-contained world, a place where generations knew each other’s names and the rhythm of life was dictated by the seasons rather than the clock. The proximity to open spaces, the vast green hills that embrace Clayton, offers a constant reminder of the wilder California that lies just beyond the manicured lawns and suburban sprawl, a wildness that continues to draw those seeking a slower pace and a deeper connection to the land.
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This page provides an interactive Google map of Clayton, California with street, satellite and terrain views and integrated Street View imagery. 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 Clayton and Contra Costa County.
Detailed location data for Clayton includes the ZIP code (95648), telephone area code (530, 510), county seat of Contra Costa County (Martinez), and school district assignment (Mount Diablo 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 Clayton is identified even where the name is shared across multiple counties or states. Population figures are sourced from the 2020 US Census.
| Page generated | June 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. |