Sumner County | |
|---|---|
 Old Oxford Mill in Oxford (2012) | |
 Location within the U.S. state of Kansas | |
 Kansas's location within the U.S. | |
| Coordinates: 37°14′N 97°29′W / 37.233°N 97.483°W | |
| Country |  United States |
| State |  Kansas |
| Founded | December 20, 1870 |
| Named for | Charles Sumner |
| Seat | Wellington |
| Largest city | Wellington |
| Area | |
| • Total | 1,185 sq mi (3,070 km2) |
| • Land | 1,182 sq mi (3,060 km2) |
| • Water | 3.0 sq mi (8 km2) 0.3% |
| Population | |
| • Total | 22,382 |
| • Estimate (2023)[2] | 22,334  |
| • Density | 18.9/sq mi (7.3/km2) |
| Time zone | UTC−6 (Central) |
| • Summer (DST) | UTC−5 (CDT) |
| Area code | 620 |
| Congressional district | 4th |
| Website | County website |
Sumner County is a county located in the U.S. state of Kansas. Its county seat is Wellington.[3] As of the 2020 census, the population was 22,382.[1] The county is named after Charles Sumner, a U.S. Senator from Massachusetts who was a leader of Reconstruction politics.
- ^ a b "QuickFacts; Sumner County, Kansas; Population, Census, 2020 & 2010". United States Census Bureau. Archived from the original on August 20, 2021. Retrieved August 20, 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. Retrieved June 7, 2011.