Union County Flag

Union County

State:
New Mexico
County Seat:

Union County's estimated 2025 population is 3,880 with a growth rate of -1.17% in the past year according to the most recent United States census data. Union County is the 30th largest county in New Mexico. The 2010 population was 4,541 and has seen a growth of -14.56% since that time.

3,880
Total Population
1
Population Density (mi²)
30
Population Rank (State)
-46 -1.17%
Annual Population Growth

Union County Population

Demographics

Economics and Income Statistics

Sources

  1. City and Town Population Totals: 2020-2024
  2. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  3. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  4. American Community Survey (2009 - 2013)
  5. Census QuickFacts
  6. Historical Populations of States and Counties (1790 - 1990)