Black Hawk County Flag

Black Hawk County

State:
Iowa
County Seat:
Waterloo

Black Hawk County's estimated 2025 population is 131,309 with a growth rate of 0.32% in the past year according to the most recent United States census data. Black Hawk County is the 5thlargest county in Iowa. The 2010 population was 131,164 and has seen a growth of 0.11% since that time.

131,309
Total Population
232
Population Density (mi²)
5
Population Rank (State)
419 0.32%
Annual Population Growth

Black Hawk 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)