Nemaha County, Nebraska ZIP Codes
- ZIP records
6 - Cities represented
6 - Sum of listed ZIP population estimates
6,945
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 | 68305 | Auburn | 4,351 |
| 2 | 68421 | Peru | 987 |
| 3 | 68378 | Johnson | 677 |
| 4 | 68321 | Brownville | 480 |
| 5 | 68320 | Brock | 348 |
| 6 | 68414 | Nemaha | 102 |
Cities in Nemaha County
ZIP Directory
Browse all ZIP data for Nebraska
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.