There are 12 zip codes in Black Hawk County, Iowa. The most populated is 50613, located in Cedar Falls. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
City
Population
50613Cedar Falls43,732
50701Waterloo30,128
50702Waterloo20,818
50703Waterloo18,587
50707Evansdale7,307
50648Jesup4,044
50651La Porte City3,608
50643Hudson3,063
50626Dunkerton1,560
50667Raymond810
50634Gilbertville770
50623Dewar150

Black Hawk County, Iowa Zip Codes by Population (2024)