Atchison County, Kansas
Atchison County | |
|---|---|
Atchison County Courthouse in Atchison (2023) | |
Location within the U.S. state of Kansas | |
Kansas's location within the U.S. | |
| Coordinates: 39°32′N 95°18′W / 39.533°N 95.300°W | |
| Country | United States |
| State | Kansas |
| Founded | August 25, 1855 |
| Named after | David Rice Atchison |
| Seat | Atchison |
| Largest city | Atchison |
| Area | |
• Total | 434 sq mi (1,120 km2) |
| • Land | 431 sq mi (1,120 km2) |
| • Water | 2.6 sq mi (7 km2) 0.6% |
| Population (2020) | |
• Total | 16,348 |
• Estimate (2023) | 16,016 |
| • Density | 37.9/sq mi (14.6/km2) |
| Time zone | UTC−6 (Central) |
| • Summer (DST) | UTC−5 (CDT) |
| Area code | 913 |
| Congressional district | 2nd |
| Website | AtchisonCountyKS.org |
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Atchison County is a county located in the northeastern portion of the U.S. state of Kansas. Its county seat and most populous city is Atchison. As of the 2020 census, the county population was 16,348. The county was named in honor of David Atchison, a U.S. Senator from Missouri and border ruffian during the "Bleeding Kansas" era.