Nemaha County, Nebraska ZIP Codes

Zip Code
City
Population ↓
68305Auburn4,351
68421Peru987
68378Johnson677
68321Brownville480
68320Brock348
68414Nemaha102

Overview of ZIP Codes in Nemaha County

ZCTAs are geographic areas created by the US Census Bureau to approximate the delivery areas of ZIP Codes for statistical analysis. While ZCTAs use the same five-digit codes as ZIP Codes, they represent defined geographic areas that may not exactly match the mail delivery routes of ZIP Codes.
6
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2025, there are 6 ZCTAs in Nemaha County, Nebraska (US Census).

Sources

  1. US Census: 2025 Gazetteer Files
  2. US Census: ZIP Code Tabulation Areas (ZCTAs)

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