Putnam County, Illinois ZIP Codes

7 ZIP Codes

Zip Code
City
Population ↓
61326Granville1,953
61327Hennepin1,442
61336Magnolia694
61340Mark545
61560Putnam477
61335McNabb312
61363Standard250

Overview of ZIP Codes in Putnam 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 Putnam County, Illinois (US Census).

Sources

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

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