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ZIP Code Database - Facts & Stats

Data Last Updated: January 1, 2022

ZIP Codes for City of South Wilmington, IL

South Wilmington, IL Covers 1 ZIP Code

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 60474P.O. BoxGrundy760815

Timezone(s):Central (GMT -06:00)
Counties:GRUNDY, IL
Population:681 (More Details)
Male Population:336
Female Population:345
Median Age:41
ZIP Codes:1
Area Codes:1
Total Area:430 square miles (county)
Land Area:418 square miles (county)
Water Area:12 square miles (county)

South Wilmington, IL Demographic Information *

Total population681
Male population336
Female population345
Median age (years)41.1
White Population674
Black Population3
Indian Population2
Asian Population0
Hawaiian Population0
Hispanic Population18
Median age (Male)40.3
Median age (Female)42.4
Total households290
Family households (families)193
Average household size2.35
Average family size2.84
Total housing units311
* Demographic data is based on 2010 Census.

South Wilmington, IL Other Information

  • Located in GRUNDY County, Illinois
  • South Wilmington, IL is also known as:

93 Cities within 30 miles of South Wilmington, IL Products


  1. U.S. Postal Service [Last Updated: 1/1/2022],
  2. Internal Data Creation [Last Updated: 1/1/2022],
  3. U.S. Geological Survey [Updated as needed],
  4. U.S. Census [Updated Yearly],
  5. U.S. Census 2010 [Decennial] [Last Updated: 1/1/2010],