Effingham County, Illinois ZIP Codes

Zip Code
City
Population ↓
62401Effingham19,273
62411Altamont4,249
62467Teutopolis3,710
62424Dieterich2,500
62443Mason1,609
62473Watson1,264
62461Shumway625

Overview of ZIP Codes in Effingham 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.
7
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2025, there are 7 ZCTAs in Effingham County, Illinois (US Census).

Sources

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

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