Los Alamos, New Mexico Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Los Alamos, New Mexico is 13,471 as of the 2023 American Community Survey, making it the 17th-largest city in New Mexico. The median household income is $136,502, the median home value is $458,200, and the median age is 41.0.
13,471
Population
1213
People / sq mi
$136,502
Median Income
$458,200
Median Home Value
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Los Alamos covers 11.1 sq mi of land at 1213 people per square mile.
About Los Alamos, NM
Los Alamos is distinguished by its share of foreign-born residents, 57.4% of the population. With 13,471 residents, Los Alamos is a city in New Mexico. It ranks #17 among cities in New Mexico by population.
The typical household earns $136,502 a year, above the US median of $78,538. Poverty is relatively low for US cities at 3.9%, below the national 12.4%. The median home value is $458,200, with typical rent around $1,304.
Degree attainment is near the top of the range for US cities: 68.0% of adults 25+ hold a bachelor’s, above the 35.0% national rate. A solid 16.2% of workers are based at home, above the national 14.0%, and the average commute runs about 12 minutes each way.
The large foreign-born share is a defining thread in Los Alamos, shaping language, household composition, and the labor force behind the economic figures above.
Race & Ethnicity
| White | 74.7% |
| Black or African American | 0.9% |
| Asian | 0.4% |
| Hispanic or Latino (any race) | 2.2% |
| Two or More Races | 0.0% |
Economy & Income
$136,502
Median Household Income
$73,884
Per Capita Income
3.9%
Poverty Rate
1.8%
Unemployment Rate
Housing
$458,200
Median Home Value
$1,304
Median Rent
65.9%
Owner-Occupied
Education
97.6%
High School+
68.0%
Bachelor's+
Commute
2.0%
Drive Alone
71.4%
Public Transit
16.2%
Work From Home
11.8 min
Avg Commute
Community Profile
57.4%
Foreign Born
79.3%
Non-English at Home
6.4%
Veterans
9.7%
With Disability
95.4%
Health Insurance
98.6%
Internet Access
Employment by Industry
| Finance, Insurance & Real Estate | 55.1% |
| Professional, Scientific & Management | 15.9% |
| Education, Health Care & Social Services | 7.0% |
| Public Administration | 5.3% |
| Arts, Entertainment & Food Services | 4.1% |
| Transportation & Warehousing | 2.3% |
| Construction | 2.1% |
| Retail Trade | 1.5% |
| Manufacturing | 1.4% |
| Information | 0.8% |
| Agriculture & Mining | 0.7% |
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Frequently Asked Questions
Los Alamos, New Mexico has a population of 13,471 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 17th-largest city in New Mexico.
The median household income in Los Alamos, New Mexico is $136,502, with 3.9% of residents living below the federal poverty level.
The median home value in Los Alamos, New Mexico is $458,200, with median monthly rent at $1,304 and a homeownership rate of 65.9%.
The median age in Los Alamos, New Mexico is 41.0 years. The population is 53.0% male and 47.0% female.
Los Alamos Cdp, NM Climate
Los Alamos Cdp, NM has an average annual temperature of 9.2°C (49°F) and receives about 450 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
9.2°C
Avg Temp
450
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -2° / 28° | 22 mm |
| February | 1° / 33° | 21 mm |
| March | 4° / 39° | 31 mm |
| April | 8° / 46° | 25 mm |
| May | 13° / 55° | 29 mm |
| June | 18° / 65° | 32 mm |
| July | 21° / 69° | 75 mm |
| August | 19° / 67° | 79 mm |
| September | 16° / 61° | 50 mm |
| October | 10° / 51° | 34 mm |
| November | 4° / 39° | 26 mm |
| December | -1° / 31° | 26 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Los Alamos Cdp, NM
The most comfortable months to visit Los Alamos Cdp, NM are typically July, June and August, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 29°C high). The coldest is January (near -9°C low). August is usually the wettest month.
Where to stay near Los Alamos
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.