Los Alamos
Census-designated place in Santa Barbara County, California

Los Alamos is an unincorporated community (census-designated place) in Santa Barbara County, California, with 1,839 residents (2020 Census). It sits at 568 ft (173 m) above sea level. The nearest town is Sisquoc, 8.4 miles N.
- 1,839residents (2020 Census)
- 568 ftelevation · 173 m
- 0.9 sq miland area · 2.3 km²
- 2,035 / sq mipopulation density
- 93440ZIP code
About Los Alamos
Los Alamos (Spanish: Los Álamos, meaning The Cottonwoods) is an unincorporated community in Santa Barbara County, California, United States. Located in the Los Alamos Valley, the town of Los Alamos is considered to be a part of the Santa Ynez Valley community. It is 140 miles (230 kilometres) northwest of Los Angeles and 281 miles (452 km) south of San Francisco. The population was 1,839 at the 2020 census, down from 1,890 at the 2010 census. For statistical purposes, the United States Census Bureau has defined Los Alamos as a census-designated place (CDP).
Text: Wikipedia · CC BY-SA 4.0
Los Alamos weather: 7-day forecast
Loading the National Weather Service forecast…
Source: National Weather Service (NOAA).
Live webcams in Los Alamos
All 24 webcams near Los Alamos ›Living in Los Alamos
- Median household income
- $79,167
- Median home value
- $831,300
- Median rent
- $2,882/mo
- Median age
- 58.3
Do you know Los Alamos? Tell us about it
Help other travelers: share what makes Los Alamos special. We review every message before publishing it.
Map of Los Alamos
Tap any street on the map to see it in Street View below. Map: © OpenStreetMap contributors.
Los Alamos Street View
Drag the image to look around and tap the arrows on the ground to move. If it says there is no imagery, tap a nearby street on the map above.
Open in Google Maps ›Los Alamos, CA population
Los Alamos had 1,839 residents in the 2020 Census.
| 2020 Census | 1,839 |
|---|---|
| Density | 2,035 per sq mi (786 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Los Alamos at a glance
| State | California (CA) |
|---|---|
| County | Santa Barbara County |
| Type | Census-designated place |
| Population | 1,839 (2020) |
| Land area | 0.90 sq mi (2.3 km²) |
| Elevation | 568 ft (173 m) |
| Coordinates | 34.7418° N, 120.2746° W |
| ZIP code | 93440 |
| Census code (GEOID) | 0643252 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Los Alamos
- Sisquoc8.4 mi N
- Buellton9.8 mi SE
- Mission Hills10.1 mi W
- Garey10.2 mi N
- Los Olivos10.5 mi SE
- Vandenberg Village10.8 mi W
- Ballard11.6 mi SE
- Orcutt12.1 mi NW
- Lompoc12.4 mi SW
- Solvang12.8 mi SE
- Vandenberg AFB13.2 mi W
- Santa Ynez13.3 mi SE
Straight-line distance between town centers.
Frequently asked questions about Los Alamos
What county is Los Alamos in?
Los Alamos is in Santa Barbara County, California.
What is the population of Los Alamos, CA?
1,839 people lived in Los Alamos at the 2020 Census.
What is the ZIP code of Los Alamos, CA?
The ZIP code of Los Alamos is 93440.
What is the elevation of Los Alamos?
568 feet (173 m) above sea level.
What towns are near Los Alamos?
Sisquoc (8.4 mi), Buellton (9.8 mi), Mission Hills (10.1 mi), Garey (10.2 mi), Los Olivos (10.5 mi).
Last updated: