Keyesport
- County:
- Clinton County
- County Seat:
- No
- Area (mi²):
- 0.72
- State:
- Illinois
Keyesport is a village located in Clinton County, Illinois. Keyesport has a 2026 population of 403. Keyesport is currently declining at a rate of -0.74% annually and its population has decreased by -0.49% since the most recent census, which recorded a population of 405 in 2020.