Los Alamos, New Mexico Demographics & Population 2026
During the 2020–2024 ACS period, Los Alamos, New Mexico had a total population of 13,317, the 17th largest community in New Mexico, with a median household income of $141,018, which is 120% higher than the state average. The poverty rate is 4.1%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 120% above the state average — one of the wealthiest communities in New Mexico.
- An exceptionally low poverty rate of 4.1% — among the lowest in New Mexico.
- 69.8% of adults hold a bachelor's degree or higher — top 10% in New Mexico.
- Near full employment with an unemployment rate of just 0.8%.
Los Alamos Quick Facts
How Los Alamos Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 13,471 | 13,317 | -1.1% |
| Median household income | $136,502 | $141,018 | +3.3% |
| Median home value | $458,200 | $501,800 | +9.5% |
How Los Alamos Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
Moderate diversity with one or two groups making up the majority.
State average: 63 | National average: 61
Education
Educational Attainment (Adults 25+)
Los Alamos Rankings in New Mexico
Explore New Mexico Rankings
Other Cities in Los Alamos County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| White Rock | 5,716 | $156,639 | 2.5% | $500,700 |
Cities Similar to Los Alamos
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Artesia | 12,576 | $74,915 | $229,400 | 19.9% | 15.7% |
| Lovington | 11,498 | $68,821 | $166,100 | 8.4% | 25.0% |
| Las Vegas | 13,000 | $45,125 | $155,300 | 28.3% | 32.0% |
| Corrales | 8,555 | $102,307 | $571,500 | 51.4% | 7.0% |
| Portales | 11,968 | $50,555 | $133,400 | 25.4% | 28.1% |
Population Overview
Los Alamos is a small city located in New Mexico, within Los Alamos County. The total population is 13,317. It ranks as the 17th most populous out of 495 Census-designated places in New Mexico.
Age Demographics
The median age in Los Alamos is 38.8 years. This is 2% lower than the state median of 39.4 years.
Economy, Income & Housing
The median household income in Los Alamos is $141,018. This is 120% higher than the state median of $64,059. It is also 75% higher than the national median of $80,734. The poverty rate stands at 4.1%. This is 77% lower than the state poverty rate of 17.8%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 0.8%. This is 87% lower than the state rate of 6.0%. The median home value is $501,800. Housing costs are 102% higher than the state median of $248,100. The home-value-to-income ratio is 3.6x. 66.5% of occupied housing units are owner-occupied. This homeownership rate is 5% lower than the state average of 70.0%.
Race & Ethnicity
The largest racial or ethnic group in Los Alamos is White (non-Hispanic), making up 69.5% of the population. Hispanic or Latino residents account for 17.9%. The White (non-Hispanic) population is significantly higher than the state average (69.5% vs 36.0%). The Black or African American population (0.8%) is well below the state average of 1.8%. The Hispanic or Latino population (17.9%) is well below the state average of 48.4%. The Asian population is significantly higher than the state average (6.3% vs 1.6%).
Education
69.8% of residents aged 25 and older hold a bachelor's degree or higher. This places Los Alamos in the top 10% of all cities in the state for educational attainment. This is 125% higher than the state rate of 31.0%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 97.6%. Notably, 46.5% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Los Alamos, New Mexico is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against New Mexico state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 495 Census-designated places in New Mexico. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Los Alamos, New Mexico?
Los Alamos, New Mexico has a population of 13,317 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Los Alamos, NM?
The median household income in Los Alamos is $141,018, which is 75% higher than the national median of $80,734.
What is the poverty rate in Los Alamos, NM?
The poverty rate in Los Alamos is 4.1%. This means approximately 539 residents live below the federal poverty line.
What is the racial makeup of Los Alamos, New Mexico?
Los Alamos's population is 69.5% White, 0.8% Black, 17.9% Hispanic/Latino, and 6.3% Asian.
What is the median home value in Los Alamos, NM?
The median home value in Los Alamos is $501,800. The home-value-to-income ratio is 3.6x.
How educated is Los Alamos, New Mexico?
69.8% of adults (25+) in Los Alamos hold a bachelor's degree or higher, and 46.5% hold a graduate or professional degree.