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USPS city
S Wilmington, IL ZIP codes
1 ZIP code that list S Wilmington as a USPS primary or acceptable city. Not a Census place.
Sum of ZCTA populations for ZIP codes intersecting S Wilmington. Not a Census place total. Methodology
Combined population of ZIP/ZCTAs that list this USPS city as a primary or acceptable name. This is a labeled ZIP-sum, never a Census place ACS population. Methodology
Map of S Wilmington, IL

ZIP codes associated with S Wilmington
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 60474 | South Wilmington | Grundy County | 628 | $86,250 |