Union County, Oregon

Union County
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 / 45.327222222222; -118.09333333333
Country	United States
State	Oregon
Founded	October 14, 1864
Named for	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  (2023)	25,944
• Density	13/sq mi (5/km2)
Time zone	UTC−8 (Pacific)
• Summer (DST)	UTC−7 (PDT)
Congressional district	2nd
Website	www.union-county.org

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.^[1] The county comprises the La Grande micropolitan statistical area and the county seat is La Grande.^[2]