Market insights · New Mexico
Los Alamos County, NM: growth, migration and housing
Los Alamos County has 19,407 residents, down 0.0% since 2020 (-0.1% in the last year). In 2022–2023, 820 households moved in and 860 moved out (-40 net), while a net $20.1M of income left. Median household income is $147,139, the median home $495,800 and median rent $1,375 a month.
In New Mexico: 11th of 33 counties for 5-year population growth · 21st of 32 counties for net in-migration (per resident) · 1st of 32 counties for median household income · 1st of 33 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Los Alamos County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Santa Fe County, NM | 98 | $11.3M |
| Bernalillo County, NM | 61 | $4.9M |
| Rio Arriba County, NM | 27 | $1.6M |
| Los Angeles County, CA | 21 | $1.3M |
Where leavers went
Top counties by households leaving Los Alamos County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Santa Fe County, NM | 128 | $11.7M |
| Bernalillo County, NM | 74 | $6.9M |
| Sandoval County, NM | 43 | $4.6M |
| Rio Arriba County, NM | 38 | $3.8M |
BizyFi in Los Alamos County
No companies in the BizyFi directory are based here yet. Search them on the company map (company names with a free account), or browse New Mexico companies.
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Sources: U.S. Census Bureau population estimates (vintage 2025), American Community Survey 5-year (2024), and IRS Statistics of Income county-to-county migration data (2022–2023). Migration counts are tax returns (roughly households) moving between U.S. counties; the IRS suppresses very small flows. Growth rates, per-1,000 figures, rent share and state ranks are BizyFi calculations. Data updated 2026-10-17. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.