Union County Flag

Union County

State:
New Mexico
County Seat:

Union County's estimated 2025 population is 3,928 with a growth rate of -0.46% in the past year according to the most recent United States census data. Union County is the 29th largest county in New Mexico. The 2010 population was 4,541 and has seen a growth of -13.5% since that time.

3,928
Total Population
1
Population Density (mi²)
29
Population Rank (State)
-18 -0.46%
Annual Population Growth

Union County Population

Demographics

Economics and Income Statistics