
Lawrence County
- State:
- Illinois
- County Seat:
- Lawrenceville
Lawrence County's estimated 2025 population is 14,657 with a growth rate of -0.53% in the past year according to the most recent United States census data. Lawrence County is the 72nd largest county in Illinois. The 2010 population was 16,940 and has seen a growth of -13.48% since that time.