Johnson County, Iowa Zip Codes by Population (2024)
The most populated Zip Code in Johnson County, Iowa is 52240, located in Iowa City. * 2024 populations estimated based on the latest ACS 5-year data.
Iowa City | 36,475 |
Coralville | 22,494 |
Iowa City | 22,340 |
North Liberty | 22,119 |
Iowa City | 22,088 |
Solon | 7,237 |
Kalona | 5,222 |
Tiffin | 5,192 |
Iowa City | 4,140 |
Swisher | 3,886 |
Lone Tree | 2,227 |
Oxford | 1,913 |
Hills | 889 |