Alamo
Census-designated place in Contra Costa County, California
Alamo is an unincorporated community (census-designated place) in Contra Costa County, California, with 15,314 residents (2020 Census). It sits at 259 ft (79 m) above sea level. The nearest town is San Miguel, 2.5 miles NW.
- 15,314residents (2020 Census)
- 259 ftelevation · 79 m
- 9.8 sq miland area · 25.4 km²
- 1,560 / sq mipopulation density
- 94507main ZIP code (2 in total)
About Alamo
Alamo (Spanish: Álamo; meaning "poplar tree") is an unincorporated community and census-designated place (CDP) in Contra Costa County, California, United States. It is a suburb located in the San Francisco Bay Area's East Bay region, approximately 28 miles (45 km) east of San Francisco. Alamo is equidistant from the city of Walnut Creek and the incorporated town of Danville. As of the 2020 census, the population was 15,314.
Police services are provided by the Contra Costa County Office of the Sheriff. Fire and EMS services are provided by the San Ramon Valley Fire Protection District.
Alamo has a median household income of $385,967 (as of 2022).
The average sale price of a home in Alamo is $2,698,385 (as of May 2026). In August 2007, a group of citizens launched a new initiative to incorporate the community, the latest in a series of attempts that go back to the early 1960s or before; it was defeated by referendum in March 2009. Previous failed Alamo incorporation efforts always included parts of other nearby unincorporated areas: Alamo-Danville (1964) and Alamo-Danville-San Ramon (1976).
Text: Wikipedia · CC BY-SA 4.0
Alamo weather: 7-day forecast
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Source: National Weather Service (NOAA).
Live webcams in Alamo
Traffic cameras: Caltrans
Living in Alamo
- Median household income
- $250,001
- Median home value
- $2,000,001
- Median rent
- $3,501/mo
- Median age
- 49.8
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Map of Alamo
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Alamo Street View
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Open in Google Maps ›Alamo, CA population
Alamo had 15,314 residents in the 2020 Census.
| 2020 Census | 15,314 |
|---|---|
| Density | 1,560 per sq mi (602 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Alamo at a glance
| State | California (CA) |
|---|---|
| County | Contra Costa County |
| Type | Census-designated place |
| Population | 15,314 (2020) |
| Land area | 9.81 sq mi (25.4 km²) |
| Elevation | 259 ft (79 m) |
| Coordinates | 37.8548° N, 122.0136° W |
| ZIP codes | 94507, 94596 |
| Official website | alamore.org |
| Census code (GEOID) | 0600618 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Alamo
- San Miguel2.5 mi NW
- Castle Hill2.8 mi NW
- Diablo3.3 mi E
- North Gate3.6 mi N
- Walnut Creek3.6 mi NW
- Shell Ridge3.7 mi N
- Danville3.8 mi SE
- Saranap4.1 mi NW
- Acalanes Ridge4.9 mi NW
- Contra Costa Centre5.4 mi NW
- Moraga6.0 mi W
- Blackhawk6.3 mi SE
Straight-line distance between town centers.
Frequently asked questions about Alamo
What county is Alamo in?
Alamo is in Contra Costa County, California.
What is the population of Alamo, CA?
15,314 people lived in Alamo at the 2020 Census.
What is the ZIP code of Alamo, CA?
The main ZIP code is 94507. Other ZIP codes: 94596.
What is the elevation of Alamo?
259 feet (79 m) above sea level.
What towns are near Alamo?
San Miguel (2.5 mi), Castle Hill (2.8 mi), Diablo (3.3 mi), North Gate (3.6 mi), Walnut Creek (3.6 mi).
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