Union County Flag

Union County

State:
Oregon
County Seat:
La Grande

Union County's estimated 2025 population is 25,502 with a growth rate of -0.86% in the past year according to the most recent United States census data. Union County is the 25th largest county in Oregon. The 2010 population was 25,725 and has seen a growth of -0.87% since that time.

25,502
Total Population
13
Population Density (mi²)
25
Population Rank (State)
-221 -0.86%
Annual Population Growth

Union County Population

Demographics

Economics and Income Statistics