Effingham County Flag

Effingham County

State:
Illinois
County Seat:
Effingham

Effingham County's estimated 2025 population is 34,393 with a growth rate of 0.09% in the past year according to the most recent United States census data. Effingham County is the 41st largest county in Illinois. The 2010 population was 34,222 and has seen a growth of 0.5% since that time.

34,393
Total Population
72
Population Density (mi²)
41
Population Rank (State)
31 0.09%
Annual Population Growth

Effingham County Population

Demographics

Economics and Income Statistics

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