Quick Facts
| County seat | Canyon City |
|---|---|
| Region | Eastern Oregon |
| Population (2020 Census) | 7,075 |
| Land & water area | 4,529 sq mi |
| Population density | 1.6 people per sq mi |
| Established | 1864 |
| Formed from | Parts of old Wasco and old Umatilla counties |
| Name origin | Named for Ulysses S. Grant prior to his election as president, in recognition of his military service. |
| Incorporated cities | 10 |
| Main electric utility | Oregon Trail Electric Cooperative |
| FIPS code | 41023 |
| Official county website | gcoregonlive2.com |
About Grant County
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.
Source: adapted from Wikipedia, available under CC BY-SA 4.0.
Cities in Grant County
| City | Population (2020) | Incorporated |
|---|---|---|
| John Day | 1,664 | 1901 |
| Prairie City | 841 | 1891 |
| Canyon City ★ | 660 | 1864 |
| Mount Vernon | 548 | 1948 |
| Long Creek | 173 | 1891 |
| Seneca | 165 | 1970 |
| Dayville | 132 | 1914 |
| Monument | 115 | 1905 |
| Granite | 32 | 1901 |
| Greenhorn | 3 | 1903 |
★ county seat. Cities that span more than one county are listed in each.