Waterloo Flag

Waterloo

County Seat:
Yes
Area (mi²):
30.053
State:
Iowa

Waterloo is located in Black Hawk County, Iowa. Waterloo has a 2025 population of 252. It is also the county seat of Black Hawk CountyWaterloo is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The average household income in Waterloo is $105,926 with a poverty rate of 1.98%The median age in Waterloo is 40.1 years: 28.8 years for males, and 53.3 years for females.

252
Total Population
8
Density (mi²)
0 0%
Growth

Waterloo Population

Demographics

Economics and Income Statistics

Sources

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