Madison County, Ohio ZIP Codes

7 ZIP Codes

Zip Code
City
Population ↓
43140London24,237
43064Plain City18,143
43162West Jefferson6,896
43143Mount Sterling5,803
43153South Solon1,112
43029Irwin544
43151Sedalia233

Overview of ZIP Codes in Madison 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 Madison County, Ohio (US Census).

Sources

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

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