Doniphan County | |
|---|---|
 Doniphan County Courthouse in Troy (2006) | |
 Location within the U.S. state of Kansas | |
 Kansas's location within the U.S. | |
| Coordinates: 39°48′N 95°07′W / 39.800°N 95.117°W | |
| Country |  United States |
| State |  Kansas |
| Founded | August 25, 1855 |
| Named for | Alexander William Doniphan |
| Seat | Troy |
| Largest city | Wathena |
| Area | |
• Total | 398 sq mi (1,030 km2) |
| • Land | 393 sq mi (1,020 km2) |
| • Water | 4.9 sq mi (13 km2) 1.2% |
| Population | |
• Total | 7,510 |
• Estimate (2023)[2] | 7,493  |
| • Density | 19.1/sq mi (7.4/km2) |
| Time zone | UTC−6 (Central) |
| • Summer (DST) | UTC−5 (CDT) |
| Area code | 785 |
| Congressional district | 2nd |
| Website | DpCountyKS.com |
Doniphan County is the most northeastern county in the U.S. state of Kansas. Its county seat is Troy,[3] and its most populous city is Wathena. As of the 2020 census, the county population was 7,510.[1] The county was named after Alexander Doniphan, a Mexican–American War hero. It is bounded on the east by the Missouri river, south by Atchison county, and west by Brown county.
- ^ a b "QuickFacts; Doniphan County, Kansas; Population, Census, 2020 & 2010". United States Census Bureau. Archived from the original on August 16, 2021. Retrieved August 15, 2021.
- ^ "Annual Estimates of the Resident Population for Counties: April 1, 2020 to July 1, 2023". United States Census Bureau. Retrieved March 24, 2024.
- ^ "Find a County". National Association of Counties. Archived from the original on May 31, 2011. Retrieved June 7, 2011.