| Place Name | Los Alamos |
| Place Type | Census Designated Place |
| ZIP Code(s) | 93440 |
| County | Santa Barbara County |
| Area Code(s) | 805,820 |
| Timezone | Pacific Daylight Time (PDT) |
| Population (2022) | 1,558 |
| Population Growth Rate (2010-19) | -2.70% |
| Majority Ethnicity | White 67.97% |
| Metro/Micro Stats Area | Santa Maria-Santa Barbara, CA |
| US Congressional District(s) | California 24th |
| State Assembly Districts | 37 |
| State Senate Districts | 19 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 67.97% |
| African American | 2.23% |
| Hispanic | 0% |
| Asian | 1.01% |
| Native American | 5.06% |
| Hawaiin/Pacific Islander | 23.74% |