Riley County, Kansas
Riley County | |
|---|---|
Riley County Courthouse in Manhattan (2005) | |
Location within the U.S. state of Kansas | |
Kansas's location within the U.S. | |
| Coordinates: 39°06′47″N 96°37′41″W / 39.1131°N 96.6281°W | |
| Country | United States |
| State | Kansas |
| Founded | August 25, 1855 |
| Named after | Bennet C. Riley |
| Seat | Manhattan |
| Largest city | Manhattan |
| Area | |
• Total | 622 sq mi (1,610 km2) |
| • Land | 610 sq mi (1,600 km2) |
| • Water | 12 sq mi (30 km2) 2.0% |
| Population (2020) | |
• Total | 71,959 |
• Estimate (2023) | 71,402 |
| • Density | 118.0/sq mi (45.6/km2) |
| Time zone | UTC−6 (Central) |
| • Summer (DST) | UTC−5 (CDT) |
| Congressional district | 1st |
| Website | rileycountyks.gov |
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Riley County is a county located in the U.S. state of Kansas. Its county seat and largest city is Manhattan. As of the 2020 census, the population was 71,959. The county was named after Bennet Riley, the 7th governor of California, and a Mexican–American War hero. Riley County is home to Fort Riley and Kansas State University.