Hardin County Flag

Hardin County

State:
Iowa
County Seat:
Eldora

Hardin County's estimated 2025 population is 16,405 with a growth rate of -0.36% in the past year according to the most recent United States census data. Hardin County is the 47th largest county in Iowa. The 2010 population was 17,543 and has seen a growth of -6.49% since that time.

16,405
Total Population
29
Population Density (mi²)
47
Population Rank (State)
-59 -0.36%
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)