Louisa County, Iowa ZIP Codes
- ZIP records
6 - Cities represented
6 - Sum of listed ZIP population estimates
9,279
Population sum includes positive estimates in these ZIP records; it is not an official county population.
Top ZIP Codes by Population
| Rank | ZIP Code | City | Population estimate |
|---|---|---|---|
| 1 | 52738 | Columbus Junction | 3,398 |
| 2 | 52653 | Wapello | 3,083 |
| 3 | 52640 | Morning Sun | 1,274 |
| 4 | 52739 | Conesville | 788 |
| 5 | 52752 | Grandview | 413 |
| 6 | 52737 | Columbus City | 323 |
Cities in Louisa County
ZIP Directory
Methodology: Records are grouped by the source file's listed county and state. Population sums add positive ZIP-level estimates and are not official county totals; city counts use distinct city labels in the source.