Fort Riley (CDP), Kansas
| Fort Riley, Kansas Fort Riley North | |
|---|---|
| Location within Riley County and Kansas | |
| Coordinates: 39°5′18″N 96°48′51″W / 39.08833°N 96.81417°W | |
| Country | United States | 
| State | Kansas | 
| Counties | Riley, Geary | 
| Area | |
|  • Total | 5.05 sq mi (13.07 km2) | 
| • Land | 5.03 sq mi (13.04 km2) | 
| • Water | 0.008 sq mi (0.02 km2) | 
| Elevation | 1,309 ft (399 m) | 
| Population  (2020) | |
|  • Total | 9,230 | 
| • Density | 1,800/sq mi (710/km2) | 
| Time zone | UTC-6 (CST) | 
| • Summer (DST) | UTC-5 (CDT) | 
| Area code | 785 | 
| FIPS code | 20-23975 | 
| GNIS ID | 2393004 | 
Fort Riley is a census-designated place (CDP) in Geary and Riley counties in the U.S. state of Kansas, on the grounds of Fort Riley. As of the 2020 census, the population was 9,230.