Los Alamos County, New Mexico
Los Alamos County, New Mexico · ZIP 87544, 87547
- Census data · ACS 2019-2023
- 19,675 (2024 estimate)Population
- 8,211Households
- $143,188Median household income
- $452,500Median home value
- 2Towns with a page
- 2ZIP codes
Los Alamos County in numbersOfficial sources, refreshed yearly
| Census | Population |
|---|---|
| 2000 | 18,343 |
| 2010 | 17,950 |
| 2020 | 19,419 |
As counted at each census, within the boundaries the area had then; the current estimate is in the glance card.
Sources: Census 2000 Summary File 1: total population, county level, state 35, retrieved November 14, 2026; Census 2010 Summary File 1: total population, county level, state 35, retrieved November 14, 2026; Census 2020 Redistricting Data (P.L. 94-171): total population, county level, state 35, retrieved November 14, 2026.
Median household income $143,188 · Share of households by income, American Community Survey 5-year 2019-2023, table S1901.
Source: American Community Survey 5-year subject table S1901 (household income) 2019–2023, county level, state 35, retrieved November 14, 2026.
- Owner occupied
- 6,121 units
- Renter occupied
- 2,090 units
- Vacancy rate
- 5.2%
Occupied housing units by tenure and the share of all units vacant, American Community Survey 5-year 2019-2023, table DP04.
Source: American Community Survey 5-year data profile 2019–2023, county level, state 35, retrieved November 14, 2026.
17,888 employees in 373 establishments with payroll in 2023, all sectors; employers themselves are not named in the source. County Business Patterns counts are published with noise.
Source: County Business Patterns 2023: employment by sector, county level, state 35, retrieved November 14, 2026.
| Measure | Los Alamos County | New Mexico |
|---|---|---|
| Population | 19,374 | 2,114,768 |
| Median household income | $143,188 | $62,125 |
| Median age | 41.1 | 39.2 |
| Median home value | $452,500 | $232,200 |
| Bachelor’s degree or higher | 68.2% | 30.2% |
| Foreign-born residents | 11.1% | 9.2% |
| Owner-occupied homes | 74.5% | 69.3% |
| Mean commute to work | 14.4 minutes | 23.2 minutes |
Source: American Community Survey 5-year data profile 2019–2023, county level, state 35, retrieved November 14, 2026.
Townships, towns and villages in Los Alamos County2 with a page · sort by any column
| Type | |||
|---|---|---|---|
| Los Alamos | Census designated place | 13,471 | 11.1 sq mi |
| White Rock | Census designated place | 5,568 | 7.07 sq mi |
Populations: Census Population Estimates, Vintage 2024: subcounty totals, state 35 (2024). Land areas: Census Gazetteer 2025: counties. A dash means the figure is not in the cited file.
County officialsFrom public records
No county official is published yet. Names appear once a researcher drafts them from the county’s own site and a second person approves; office contacts only, never personal details.
Across Los Alamos County
No job is posted in Los Alamos County’s towns yet. Employers post from their business dashboard; public job banks are added once their terms are recorded.
No upcoming event is listed in Los Alamos County's towns yet. Members and businesses add events from any town page.
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Neighboring counties
Neighboring counties
- Rio Arriba CountyPopulation 39,955 (2024 estimate)
- Sandoval CountyPopulation 157,757 (2024 estimate)
- Santa Fe CountyPopulation 157,765 (2024 estimate)
Sources: Census county adjacency file 2024, retrieved November 14, 2026; Census Population Estimates, Vintage 2024: subcounty totals, state 35, retrieved November 14, 2026.