Marion County, Illinois ZIP Codes

Zip Code
City
Population ↓
62801Centralia19,827
62881Salem11,078
62870Odin2,281
62882Sandoval2,057
62849Iuka1,887
62854Kinmundy1,827
62875Patoka1,039
62853Kell969
62807Alma767
62892Vernon150

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.
10
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2025, there are 10 ZCTAs in Marion County, Illinois (US Census).

Sources

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

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