Hardin County Flag

Hardin County

State:
Ohio
County Seat:
Kenton

Hardin County's estimated 2025 population is 30,398 with a growth rate of -0.01% in the past year according to the most recent United States census data. Hardin County is the 72nd largest county in Ohio. The 2010 population was 32,126 and has seen a growth of -5.38% since that time.

30,398
Total Population
65
Population Density (mi²)
72
Population Rank (State)
-4 -0.01%
Annual Population Growth

Hardin County Population

Demographics

Economics and Income Statistics

Sources

  1. City and Town Population Totals: 2020-2024
  2. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  3. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  4. American Community Survey (2009 - 2013)
  5. Census QuickFacts
  6. Historical Populations of States and Counties (1790 - 1990)