
Jackson County
- State:
- Illinois
- County Seat:
- Murphysboro
Jackson County's estimated 2025 population is 51,469 with a growth rate of -0.65% in the past year according to the most recent United States census data. Jackson County is the 27th largest county in Illinois. The 2010 population was 60,371 and has seen a growth of -14.75% since that time.