Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — CITY/IL/SOUTH-WILMINGTON

South Wilmington ZIP code, Illinois

The ZIP code for South Wilmington, IL is 60474, and its area code is 815.

USPS city name
1 ZIP code
Population
600
Area code
815

NANPA lists no telephone rate centre for South Wilmington itself, so these are the area codes of the nearest one, Gardner (3.1 miles). A town on an area-code boundary can differ from its neighbour.

South Wilmington in numbers

About 600 people live in South Wilmington, in 269 households. The median household income is $86,750 a year, 4% above the Illinois median of $83,390 (US: $80,734). The median owner-occupied home is valued at $174,400 (34% below the Illinois median), and median gross rent is $1,277 a month. The median age is 43.0; 13.1% of adults 25 and over hold a bachelor's degree or higher (37.8% across Illinois); the average commute takes 32 minutes.

Population600South Wilmington600
Households269South Wilmington269
Median age43.0South Wilmington43.0Illinois39.0US 38.9
Median household income$86,750South Wilmington$86,750Illinois$83,390US $80,734
Median home value$174,400South Wilmington$174,400Illinois$263,300US $332,700
Median gross rent$1,277South Wilmington$1,277Illinois$1,274US $1,413
Bachelor's degree or higher13.1%South Wilmington13.1%Illinois37.8%US 35.7%
Mean commute31.9 minSouth Wilmington31.9 minIllinois27.8 minUS 26.4 min
Population density1,220 / sq miSouth Wilmington1,220 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place South Wilmington village. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as South Wilmington

ZIP codes with the USPS city name South Wilmington
ZIP City Type Population Median income Median home
60474 South Wilmington , IL Standard 663 $85,500 $177,500

Map of South Wilmington ZIP codes

The ZIP codes of South Wilmington, IL, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near South Wilmington

The nearest larger towns are Gardner (1,410 people, 2.2 mi), Braceville (860 people, 3.6 mi) and Essex (1,026 people, 4.6 mi).

Towns near South Wilmington
TownPopulationDistance
Coal City 5,317 7.2 mi
Braidwood 6,062 7.2 mi
Diamond 2,984 7.8 mi
Dwight 3,872 9.1 mi
Wilmington 5,494 11.8 mi
Morris 14,898 16.1 mi
Channahon 13,927 17.2 mi
Minooka 12,891 18.9 mi
Bourbonnais 18,078 20.9 mi
Marseilles 4,279 22.2 mi
Kankakee 23,996 22.2 mi
Bradley 15,325 22.5 mi
Manhattan 11,026 23.0 mi
Manteno 9,030 23.2 mi

More nearby: every ZIP code in Grundy County · Illinois ZIP codes

Cite this page

zipcodes.pro. “South Wilmington, IL ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/il/south-wilmington

Underlying data is public domain or openly licensed — sources, vintages and licences.