Poweshiek County Flag

Poweshiek County

State:
Iowa
County Seat:
Montezuma

Poweshiek County's estimated 2025 population is 18,411 with a growth rate of -0.23% in the past year according to the most recent United States census data. Poweshiek County is the 37th largest county in Iowa. The 2010 population was 18,926 and has seen a growth of -2.72% since that time.

18,411
Total Population
31
Population Density (mi²)
37
Population Rank (State)
-43 -0.23%
Annual Population Growth

Poweshiek 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)