Marion County, Ohio ZIP Codes

8 ZIP Codes

Zip Code
City
Population ↓
43302Marion53,702
43342Prospect3,836
43314Caledonia2,438
43332La Rue2,173
43356Waldo1,120
43341New Bloomington953
43337Morral625
43322Green Camp437

Overview of ZIP Codes in Marion 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.
8
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2025, there are 8 ZCTAs in Marion County, Ohio (US Census).

Sources

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

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