Jasper County, Iowa ZIP Codes

12 ZIP Codes

Zip Code
City
Population ↓
50208Newton20,595
50054Colfax3,166
50170Monroe3,024
50228Prairie City2,120
50028Baxter1,981
50135Kellogg1,754
50251Sully1,365
50153Lynnville890
50168Mingo826
50232Reasnor569
50137Killduff114
50127Ira10

Overview of ZIP Codes in Jasper 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.
12
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2025, there are 12 ZCTAs in Jasper County, Iowa (US Census).

Sources

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

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