Black Hawk County, Iowa Cities (2025)

10 cities

City
Rank
2025 Pop.
2020 Pop.
Change
Density
Area (mi²)
Type
Waterloo166,16067,275-0.34%1,07461.59 City
Cedar Falls240,76040,7020.03%1,38529.43 City
Evansdale34,4454,557-0.49%1,1124 City
Hudson42,9242,5432.67%3468.45 City
La Porte City52,2432,283-0.36%8772.56 City
Elk Run Heights61,0471,067-0.38%9661.08 City
Dunkerton7827839-0.24%6911.20 City
Gilbertville87937880.13%2,2150.36 City
Raymond9741758-0.4%4531.64 City
Washburn10524524-4.2%4241.24 CDP

Black Hawk County Cities Summary

Largest City

Waterloo is the largest city in Black Hawk County, with a population of 66,160.

Smallest City

Washburn is the smallest city in Black Hawk County.

10 Largest Cities

There are 10 cities in Black Hawk County, Iowa.

Location of Black Hawk County