10 Most Populated ZIP Codes in Iowa

The top ZIP code for population in Iowa is 50613 (Cedar Falls, Black Hawk County), with a population of 43,680. Across the top 10 most populated ZIP codes in Iowa, population ranges from 43,680 to 36,046, covering communities from Cedar Falls to Cedar Rapids.

Rank	ZIP	City	County	Population	Population
1	50613	Cedar Falls	Black Hawk County	43,680	43,680
2	52402	Cedar Rapids	Linn County	43,076	43,076
3	52001	Dubuque	Dubuque County	43,064	43,064
4	52302	Marion	Linn County	42,732	42,732
5	52404	Cedar Rapids	Linn County	42,582	42,582
6	52722	Bettendorf	Scott County	40,878	40,878
7	51503	Council Bluffs	Pottawattamie County	37,411	37,411
8	50266	Clive	Polk County	36,770	36,770
9	50317	Des Moines	Polk County	36,721	36,721
10	52240	Iowa City	Johnson County	36,046	36,046

Methodology

Rankings are derived from the U.S. Census Bureau American Community Survey 5-Year Estimates, vintage 2019 to 2023, joined to USPS ZIP Code Tabulation Areas. We rank by population and surface the top 10 ZIP codes within Iowa. Values reflect ZCTA-level estimates and may differ slightly from city-level figures. Compiled and reviewed by the Zip Code Near Me Data Team.

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Reviewed by Zip Code Near Me Data Team. Last verified June 13, 2026.

10 Most Populated ZIP Codes in Iowa

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