County ProfileNM
Los Alamos County
Population: 19,419 · 3 ZIP codes
Demographics
Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.
People
Total population
19,419
People
Median age
39.3
Housing
Total households
8,247
Income
Median household income
$147,139
Housing
Total housing units
8,713
Employment
Employment rate
66.7%
Education
Bachelor’s degree or higher
69.7%
Healthcare
Insured population
97.5%
County details
Local time 23:53:46(MT)| Name | Los Alamos |
|---|---|
| Total ZIP codes | 3total |
| ZIP codes (by type) | 2 Standard1 Unique |
| Area code | 505 |
| Timezone | Mountain Time (MT) |
| Coordinates | 35.8700469, -106.3079679 |
| Land area | 109.1 sq miles(282.6 km²) |
Map of Los Alamos county, New Mexico with ZIP codes
Cities and Communities in Los Alamos County
Compare the largest cities in Los Alamos County by population, median income, and growth. Use the table below to analyze key demographic shifts across the region.
| City | Population | Median incomeHousehold | ZIP codes |
|---|---|---|---|
| Los Alamos | 13,179 | $141,018 | 2ZIPs |
| White Rock | 5,852 | $156,639 | 1ZIPs |
— Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.
ZIP Codes in Los Alamos County
Review the most populated postal areas across Los Alamos County. Use the ranking below to compare resident density and demographic scales between the county's major zones.
| ZIP | City | Median incomeHousehold | Population (ZIP) |
|---|---|---|---|
| 87544 | Los Alamos | $138,583 | 13,548 |
| 87547 | White Rock | $156,444 | 5,873 |
| 87545 | Los Alamos | — | — |
Data Sources & Citations
The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:
- United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
- United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS