United States › New Mexico › Union County COUNTY
Union County New Mexico · 3,844 residents (2025 est.) · 3,825 sq mi
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The short version
With 4,013 people, Union County is a county in New Mexico. 18% of adults hold a bachelor's degree, below the 36% national rate. Density works out to 1 people per square mile. Home values have more than doubled since 2000, reaching $122,700. Renters pay $683 a month at the median. 4% of people here were born outside the United States.
At a glance
Lower income
below the US median
US median: $82,259
Older
median age 42.6
US median: 38.9
Less educated
18% hold a bachelor's degree
US average: 36%
Less affordable
home values up 25%, inflation adjusted
US median home: $376,019
Section 01
Population & growth from 4,174 in 2000
3,844 in 2025 (Census Bureau estimate)
from 1 / sq mi in 2009
US average: 281
from 39.9 in 2000
US average: 38.9
Population, 1990 – 2024
4K 4K 4K 4K 5K 1990 2000 2010 2020 2024 Union County Age distribution, 2024
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy $46,694
−9%inflation adjusted, since 2000
from $28,080 in 2000
US average: $82,259
from $14,700 in 2000
US average: $44,673
Households earning $100K+
from 17.1% in 2009
US average: 53.3%
from 18.1% in 2000
US average: 12.5%
from 0.400 in 2010
US average: 0.476
Workforce by industry, 2024
Agriculture, forestry, fishing 20.5%
Arts, entertainment, food 6.1%
Professional, scientific, technical 3.7%
Education & health services 3.7%
Public administration 2.2%
Transportation & warehousing 1.3%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
$122,700
+25%inflation adjusted, since 2000
from $53,800 in 2000
US average: $376,019
$683
Unchangedinflation adjusted, since 2000
from $376 in 2000
US average: $1,442
from 73.0% in 2000
27.6% rent
from 28.2% in 2009
US average: 10.0%
2.46 people
Unchangedsince 2009
from 2.45 people in 2009
US average: 2.54
from 29.2% in 2009
US average: 22.9%
from 30.1% in 2009
US average: 47.4%
from 2.4 in 2009
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
Section 04
Race & ethnicity 2000
White, non-Hispanic 62.7%(2,618)
Hispanic / Latino 35.1%(1,465)
2024
White, non-Hispanic 53.3%(2,140)
Hispanic / Latino 40.1%(1,609)
from 60 in 2009
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Section 04 · Origins
Detailed origins & ancestry Ancestry
+ 11 more ancestry groups with data from 13.0% in 2000
US average: 35.6%
High school or higher
from 79.9% in 2000
US average: 89.6%
from 5.7% in 2000
US average: 14.0%
Section 06
Commute & transportation from 15.4 min in 2000
US average: 26.5
from 68.9% in 2009
US average: 68.9%
from 20.8% in 2009
US average: 8.5%
from 1.0% in 2009
US average: 3.2%
from 2.9% in 2009
US average: 15.0%
from 5.1% in 2009
US average: 2.4%
from 1.0% in 2009
US average: 0.4%
from 5.6% in 2009
US average: 8.3%
Section 07
Work & employment from 4.5% in 2011
US average: 5.2%
from 58.2% in 2011
US average: 63.5%
Women 20-64 in the labor force
from 52.4% in 2020
US average: 74.6%
from 15.6% in 2009
US average: 13.1%
from 32.8% in 2009
US average: 42.5%
Section 08
People & community from 2.1% in 2009
US average: 14.1%
from 12.8% in 2009
US average: 6.2%
from 19.5% in 2012
US average: 13.3%
from 20.6% in 2013
US average: 8.4%
from 55.1% in 2017
US average: 91.0%
Computer in household
from 71.9% in 2020
US average: 95.5%
from 85.2% in 2020
US average: 87.7%
from 73.9% in 2016
US average: 77.7%
from 24.4% in 2016
US average: 13.6%
Marital status
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage from 20.6% in 2013
US average: 8.4%
from 42.4% in 2020
US average: 54.8%
Direct-purchase
from 18.7% in 2020
US average: 13.8%
from 27.9% in 2020
US average: 18.4%
from 28.4% in 2020
US average: 20.9%
VA health care
from 4.4% in 2020
US average: 2.2%
Any private
from 58.5% in 2020
US average: 67.1%
Any public
from 52.1% in 2020
US average: 36.7%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans Veterans by period of service, 2024
Gulf War (2001 or later) 19.4%(38)
Gulf War (1990s) 18.9%(37)
Share of the 196 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
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Drill deeper
Places similar to Union County Head to head
Compare Union County to nearby counties UNION COUNTY VS
Harding County
Income $48,553 +4%
Home value $70,000 −43%
Population 617 −84%
SEE FULL COMPARISON →
UNION COUNTY VS
Dallam County
Income $71,500 +53%
Home value $151,400 +23%
Population 7,508 +95%
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UNION COUNTY VS
Cimarron County
Income $62,188 +33%
Home value $98,600 −20%
Population 2,059 −46%
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UNION COUNTY VS
Colfax County
Income $53,554 +15%
Home value $167,200 +36%
Population 12,184 +217%
SEE FULL COMPARISON →
Frequently asked
How many people live in Union County, New Mexico? Union County, New Mexico has about 4,013 residents according to the 2024 American Community Survey.
What is the median household income in Union County, New Mexico? The typical household in Union County, New Mexico earns about $46,694 a year. Half of households make more than that, and half make less.
Is Union County, New Mexico expensive? In Union County, New Mexico, the median home is worth about $122,700, and the typical rent is about $683 a month.
How educated are people in Union County, New Mexico? About 18.4% of adults age 25 and over in Union County, New Mexico hold a bachelor's degree or higher.
What is the poverty rate in Union County, New Mexico? About 16.6% of people in Union County, New Mexico live below the federal poverty line.
Has Union County, New Mexico grown since 1990? Yes, Union County, New Mexico has shrunk since 1990. The population has lost about 111 residents, a change of about -3 percent over that period.
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