Porter County, Indiana ZIP Codes
- ZIP records
9 - Cities represented
8 - Sum of listed ZIP population estimates
167,541
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 | 46383 | Valparaiso | 42,183 |
| 2 | 46385 | Valparaiso | 40,856 |
| 3 | 46368 | Portage | 40,301 |
| 4 | 46304 | Chesterton | 28,307 |
| 5 | 46341 | Hebron | 10,048 |
| 6 | 46347 | Kouts | 4,951 |
| 7 | 46301 | Beverly Shores | 650 |
| 8 | 46393 | Wheeler | 216 |
| 9 | 46302 | Boone Grove | 29 |
Cities in Porter County
ZIP Directory
Browse all ZIP data for Indiana
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.