Iowa County Flag

Iowa County

State:
Iowa
County Seat:
Marengo

Iowa County's estimated 2025 population is 16,460 with a growth rate of 0.23% in the past year according to the most recent United States census data. Iowa County is the 45th largest county in Iowa. The 2010 population was 16,335 and has seen a growth of 0.77% since that time.

16,460
Total Population
28
Population Density (mi²)
45
Population Rank (State)
37 0.23%
Annual Population Growth

Iowa 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)