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| City | Byron |
| State | California (CA) |
| County | Contra Costa |
| Country | United States of America |
| Timezone | Pacific Time (America/Los_Angeles) |
| Latitude | 37.867148 |
| Longitude | -121.638007 |
| Population | 1,837 |
| Density | 111.1 /km² |
| Incorporated | N/A |
| ZIP Code(s) | 94514 |
| Area Code | 510 |
| County Seat | Martinez |
| School District | Byron Union Elementary School District |
Byron is a locality in Contra Costa County, California, United States. It has a population of approximately 1,837. The population density is 111.1 people per km². Byron is located at 37.8671°N, 121.6380°W. It observes the Pacific Time (America/Los_Angeles) timezone. ZIP code: 94514.
Byron rests in a broad, sun-baked valley where the land stretches out, a patchwork of ochre and muted green under a sky that often burns a startling, cloudless blue. It lies 5.5 miles south-east of Brentwood, CA (from Brentwood, CA: bearing 145°T), and is situated 9.9 miles south-south-east of Oakley. Hills, softened by the persistent California sun, rise gently on its periphery, their slopes a mosaic of scrub oak and dry grasses that rustle with a whisper of wind. The air here carries the scent of dust and distant, sun-warmed earth, a dry perfume that clings to everything. In the late afternoon, the light slants low, casting long shadows that stretch and distort the landscape, lending a quiet, almost mournful beauty to the sparse, hardy vegetation. The rhythm of Byron is one of slow, deliberate movement, dictated by the seasons and the enduring, patient spirit of the land. This corner of the county, once part of a vast agricultural expanse, still bears the echoes of its farming past, though the character of its economy has shifted. While remnants of that agrarian heritage persist in the surrounding fields, the proximity to burgeoning urban centers has nudged Byron toward a different kind of growth, one marked by a blend of residential development and small-scale commerce. The San Joaquin River, a vital artery to the region, lies not far off, its presence a constant, subtle hum in the background, influencing the climate and the very feel of the place. Generations have worked this soil, their stories woven into the quiet persistence of Byron, a place that holds its history close, much like the earth holds its secrets.
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This page provides an embedded street and satellite map of Byron, California — switch between views using the small square in the bottom left-hand corner of the map. Coordinates: 37.867148, -121.638007. 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 Byron and Contra Costa County.
Detailed location data for Byron includes the ZIP code (94514), telephone area code (510), county seat of Contra Costa County (Martinez), and school district assignment (Byron Union Elementary 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 Byron 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. |