Hardin County Flag

Hardin County

State:
Illinois
County Seat:
Elizabethtown

Hardin County's estimated 2025 population is 3,563 with a growth rate of -0.08% in the past year according to the most recent United States census data. Hardin County is the 102nd largest county in Illinois. The 2010 population was 4,316 and has seen a growth of -17.45% since that time.

3,563
Total Population
20
Population Density (mi²)
102
Population Rank (State)
-3 -0.08%
Annual Population Growth

Hardin County Population

Demographics

Economics and Income Statistics