Byron
Census-designated place in Contra Costa County, California

Byron is an unincorporated community (census-designated place) in Contra Costa County, California, with 1,140 residents (2020 Census). It sits at 33 ft (10 m) above sea level. The nearest town is Discovery Bay, 3.3 miles NE.
- 1,140residents (2020 Census)
- 33 ftelevation · 10 m
- 6.5 sq miland area · 16.9 km²
- 175 / sq mipopulation density
- 94505ZIP code
About Byron
Byron is a census designated place (CDP) in Contra Costa County, California, United States. As of the 2020 census, Byron had a population of 1,140.
Text: Wikipedia · CC BY-SA 4.0
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- Median household income
- $76,424
- Median home value
- $750,000
- Median rent
- $2,643/mo
- Median age
- 45.6
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Open in Google Maps ›Byron, CA population
Byron had 1,140 residents in the 2020 Census.
| 2020 Census | 1,140 |
|---|---|
| Density | 175 per sq mi (67 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Byron at a glance
| State | California (CA) |
|---|---|
| County | Contra Costa County |
| Type | Census-designated place |
| Population | 1,140 (2020) |
| Land area | 6.52 sq mi (16.9 km²) |
| Elevation | 33 ft (10 m) |
| Coordinates | 37.8756° N, 121.6421° W |
| ZIP code | 94505 |
| Census code (GEOID) | 0609346 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Byron
- Discovery Bay3.3 mi NE
- Brentwood5.9 mi NW
- Knightsen6.1 mi N
- Oakley8.6 mi N
- Mountain House8.8 mi SE
- Bethel Island10.6 mi N
- Antioch11.1 mi NW
- Camino Tassajara14.5 mi SW
- Livermore14.5 mi SW
- Tracy14.6 mi SE
- Blackhawk15.5 mi W
- Clayton16.3 mi W
Straight-line distance between town centers.
Frequently asked questions about Byron
What county is Byron in?
Byron is in Contra Costa County, California.
What is the population of Byron, CA?
1,140 people lived in Byron at the 2020 Census.
What is the ZIP code of Byron, CA?
The ZIP code of Byron is 94505.
What is the elevation of Byron?
33 feet (10 m) above sea level.
What towns are near Byron?
Discovery Bay (3.3 mi), Brentwood (5.9 mi), Knightsen (6.1 mi), Oakley (8.6 mi), Mountain House (8.8 mi).
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