Union County Flag

Union County

State:
New Mexico
County Seat:

Union County's estimated 2026 population is 3,834 with a growth rate of -1.19% 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 -15.57% since that time.

3,834
Total Population
1
Population Density (mi²)
30
Population Rank (State)
-46 -1.19%
Annual Population Growth

Union County Population

Demographics

Economics and Income Statistics