There are 6 zip codes in Louisa County, Iowa. The most populated is 52738, located in Columbus Junction. * 2024 populations estimated based on the latest ACS 5-year data.

CSV JSON
Zip Code
Population
City
527383,389Columbus Junction
526533,109Wapello
526401,366Morning Sun
52739843Conesville
52752364Grandview
52737274Columbus City

Zip Codes in Louisa County, Iowa by Population (2024)