Grant County, Oregon

Grant County
Grant County Courthouse in Canyon City
Location within the U.S. state of Oregon
Oregon's location within the U.S.
Coordinates: 44°26′18″N 118°53′30″W / 44.43841°N 118.89173°W / 44.43841; -118.89173
Country United States
State Oregon
FoundedOctober 14, 1864
Named afterUlysses S. Grant
SeatCanyon City
Largest cityJohn Day
Area
  Total
4,529 sq mi (11,730 km2)
  Land4,529 sq mi (11,730 km2)
  Water0.7 sq mi (2 km2)  0.02%
Population
 (2020)
  Total
7,233
  Estimate 
(2024)
7,093
  Density1.6/sq mi (0.6/km2)
Time zoneUTC−8 (Pacific)
  Summer (DST)UTC−7 (PDT)
Congressional district2nd
Websitegrantcountyoregon.net

Grant County is one of the 36 counties in the U.S. state of Oregon. As of the 2020 census, the population was 7,233, making it Oregon's fourth-least populous county. The county seat is Canyon City. It is named for President Ulysses S. Grant, who served as an army officer in the Oregon Territory, and at the time of the county's creation was a Union general in the American Civil War. Grant County is included in the eight-county definition of Eastern Oregon.