
Pike County
- State:
- Illinois
- County Seat:
- Pittsfield
Pike County's estimated 2025 population is 14,028 with a growth rate of -1.11% in the past year according to the most recent United States census data. Pike County is the 74th largest county in Illinois. The 2010 population was 16,395 and has seen a growth of -14.44% since that time.