Bethel Island
Census-designated place in Contra Costa County, California

Bethel Island is an unincorporated community (census-designated place) in Contra Costa County, California, with 2,131 residents (2020 Census). It sits at 7 ft (2 m) above sea level. The nearest town is Oakley, 3.6 miles SW.
- 2,131residents (2020 Census)
- 7 ftelevation · 2 m
- 5.3 sq miland area · 13.6 km²
- 406 / sq mipopulation density
- 94511ZIP code
About Bethel Island
Bethel Island is an island in the Sacramento–San Joaquin River Delta of Contra Costa County, California, United States, approximately 10 kilometres (6.2 mi) east of Antioch. The island describes itself as "the heart of the California Delta."
Bethel Island (formerly known as Bethell, Bethell Ranch, Bethel Tract, Sand Mound Ranch, Sand Mound Tract) is also a census-designated place (CDP) on the island. The population at the 2020 census was 2,131. The community of Bethel Island is governed as a Special Act District created by the California State legislature and named the Bethel Island Municipal Improvement District (BIMID). It is a popular destination for recreation seekers, especially hunters, fishermen, boaters, and bird watchers.
Text: Wikipedia · CC BY-SA 4.0
Bethel Island weather: 7-day forecast
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- Median household income
- $74,972
- Median home value
- $682,700
- Median rent
- $1,606/mo
- Median age
- 56.6
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Map of Bethel Island
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Open in Google Maps ›Bethel Island, CA population
Bethel Island had 2,131 residents in the 2020 Census.
| 2020 Census | 2,131 |
|---|---|
| Density | 406 per sq mi (157 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Bethel Island at a glance
| State | California (CA) |
|---|---|
| County | Contra Costa County |
| Type | Census-designated place |
| Population | 2,131 (2020) |
| Land area | 5.25 sq mi (13.6 km²) |
| Water area | 0.57 sq mi (1.47 km²) |
| Elevation | 7 ft (2 m) |
| Coordinates | 38.0281° N, 121.6299° W |
| ZIP code | 94511 |
| Census code (GEOID) | 0606210 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Bethel Island
- Oakley3.6 mi SW
- Knightsen4.6 mi S
- Brentwood8.0 mi SW
- Discovery Bay8.5 mi S
- Isleton9.3 mi N
- Terminous9.7 mi NE
- Antioch9.8 mi W
- Byron10.6 mi S
- Rio Vista11.0 mi N
- Pittsburg14.7 mi W
- Lincoln Village16.2 mi E
- Country Club16.3 mi E
Straight-line distance between town centers.
Frequently asked questions about Bethel Island
What county is Bethel Island in?
Bethel Island is in Contra Costa County, California.
What is the population of Bethel Island, CA?
2,131 people lived in Bethel Island at the 2020 Census.
What is the ZIP code of Bethel Island, CA?
The ZIP code of Bethel Island is 94511.
What is the elevation of Bethel Island?
7 feet (2 m) above sea level.
What towns are near Bethel Island?
Oakley (3.6 mi), Knightsen (4.6 mi), Brentwood (8.0 mi), Discovery Bay (8.5 mi), Isleton (9.3 mi).
Last updated: