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Union County, NM
5 cities and towns and 6 ZIP codes in Union County, New Mexico.
Population
4,013
Land area
3,825sq mi
People per sq mi
1
ZIP codes
6
Cities and towns in Union County
Union County at a glance
- Union County is 94% less dense than New Mexico as a whole.
- The median household income is $46,694, 27% below the New Mexico median of $64,059.
- A typical owner-occupied home is valued at $122,700 (51% below New Mexico) and median rent is $683 a month.
- Its largest cities are Clayton (2,753), Des Moines (174) and Capulin (79).
Local data for Union County, NM
Counts from official public data
Housing and community stats
Union County, NM, American Community Survey 2020-2024
Median household income
$46,694
Poverty rate
16.6%
Median home value
$122,700
Prices +0.9% in a year
Median rent
$683/mo
Homeownership
72.4%
Bachelor's or higher
18.4%
Median age
42.6
Average commute
16.7 min
Largest reported origins and ancestries: Mexican Americans (892), German Americans (618), Irish Americans (438).
Economy and federal money
Jobs, income, federal spending and pandemic loans
Unemployment rate
3.4%
Aug 2026, -0.1 pts in a year
Average annual pay
$48,276
1,222 jobs, 2025
Income per person
$38,255
BEA, 2024
Federal spending
$30.2M
FY 2026, $7,414 per person
PPP loans
$4.9M
161 loans, 683 jobs reported
Campaign donations
$26.3K
Itemized, 2026 cycle
How people get to work
Union County, NM, workers 16 and older. American Community Survey 5-year estimates
- Drove alone81.6%
- Carpooled5.4%
- Public transit0.0%
- Walked5.5%
- Bicycle0.0%
- Taxi, ride-hailing, motorcycle or other1.3%
- Worked from home6.2%
Average one-way commute: 16.7 minutes for people who do not work from home.
Environment and hazard risk
Union County, NM, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: drought
Storm events since 1996
758
Most often hail
July high / Jan low
87° / 17°F
15.2 inches of rain a year
Hazards, floods and storm historyCheck a flood zone7 historic places
Health statistics
Share of adults in Union County, NM, CDC PLACES estimates
Obesity
34.3%
U.S. 33.3% +1.0 pts
Diabetes
14.7%
U.S. 12.1% +2.6 pts
Smoking
15.3%
U.S. 12.8% +2.5 pts
Uninsured (18-64)
17.0%
U.S. 11.1% +5.9 pts
Cities, towns and ZIP codes in Union County
Population shown
Frequently asked questions
- What is the largest city in Union County, NM?
- Clayton is the largest city or town in Union County, with about 2,753 residents.
- How many ZIP codes are in Union County?
- Union County includes 6 ZIP Code Tabulation Areas, including 88410, 88415, 88418, 88419, 88424.
- What is the population of Union County, NM?
- About 4,013 people live in Union County, based on American Community Survey 5-year estimates.
- What counties border Union County?
- Union County borders Las Animas County, CO, Colfax County, Quay County, Dallam County, TX, Hartley County, TX, Baca County, CO, Cimarron County, OK, Harding County.
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023