ZIP Code 93440
About Los Alamos
Los Alamos 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. Los Alamos is also connected to other cities Vandenberg SFB, Lompoc, Buellton, Solvang, and other Santa Barbara County cities. It is 140 miles 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).
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Area Profile
US Census (ACS 5-year · Gazetteer)
896
population
$53,673
median household income
20
people / sq mi
$672,100
median home value
71.0
median age
674
housing units
491
households
44.1
land area (sq mi)