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Market insights · New Mexico

Union County, NM: growth, migration and housing

Union County has 3,844 residents, down 5.5% since 2020 (-2.4% in the last year). In 2022–2023, 72 households moved in and 105 moved out (-33 net), while a net $3.4M of income left. Median household income is $46,694, the median home $122,700 and median rent $683 a month.

Population (2025)3,844
5-year growth-5.5%
1-year growth-2.4%
Net households moving in-33
Per 1,000 residents-8.6
Net income moving in-$3.4M
Median household income$46,694
Median home value$122,700
Median rent$683/mo
Rent as share of income18%

In New Mexico: 31st of 33 counties for 5-year population growth · 32nd of 32 counties for net in-migration (per resident) · 26th of 32 counties for median household income · 27th of 33 counties for median home value.

Where new residents came from

Top counties by households (tax returns) moving to Union County, 2022–2023 (IRS).

The IRS publishes no county-level flows for Union County (it suppresses flows of fewer than 20 households).

Where leavers went

Top counties by households leaving Union County, 2022–2023 (IRS).

The IRS publishes no county-level flows for Union County (it suppresses flows of fewer than 20 households).

BizyFi in Union 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.