Logan County Flag

Logan County

State:
Illinois
County Seat:
Lincoln

Logan County's estimated 2025 population is 27,438 with a growth rate of -0.28% in the past year according to the most recent United States census data. Logan County is the 48th largest county in Illinois. The 2010 population was 30,282 and has seen a growth of -9.39% since that time.

27,438
Total Population
44
Population Density (mi²)
48
Population Rank (State)
-76 -0.28%
Annual Population Growth

Logan County Population

Demographics

Economics and Income Statistics