Union County, Oregon
Union County  | |
|---|---|
Union County Museum  | |
Location within the U.S. state of Oregon  | |
Oregon's location within the U.S.  | |
| Coordinates: 45°19′38″N 118°05′36″W / 45.327222222222°N 118.09333333333°W | |
| Country | United States | 
| State | Oregon | 
| Founded | October 14, 1864 | 
| Named after | Union, Oregon | 
| Seat | La Grande | 
| Largest city | La Grande | 
| Area | |
 • Total  | 2,039 sq mi (5,280 km2) | 
| • Land | 2,037 sq mi (5,280 km2) | 
| • Water | 1.9 sq mi (5 km2) 0.1% | 
| Population  (2020)  | |
 • Total  | 26,196 | 
 • Estimate  (2024)  | 26,058 | 
| • Density | 13/sq mi (5/km2) | 
| Time zone | UTC−8 (Pacific) | 
| • Summer (DST) | UTC−7 (PDT) | 
| Congressional district | 2nd | 
| Website | unioncountyor | 
Union County is one of the 36 counties in the U.S. state of Oregon, and one of the 8 counties of eastern Oregon. As of the 2020 census, the population was 26,196. The county comprises the La Grande micropolitan statistical area and the county seat is La Grande.