South Wilmington, IL

Single-footprint Census roll-up for South Wilmington, IL: 1 USPS ZIP, population 760. Open the primary ZIP for household income, housing tenure, and commute from ACS 2023 5-Year Estimates.

U.S. Census Bureau, SimpleMaps US ZIP Code Database, delivery-area ZIP coverage

ACS city ledger plate

Sheet SOUTH-WILMINGTON-IL · South Wilmington, IL 1 ZIPs · 760 pop · #7571/25278 · Grundy County

INC-HIGH · RANK-UPPER · PHOTO-FINISH · BOOK-ONE · OWN-HIGH · POP-VILLAGE · SPREAD-UNK · HOME-LOW

  • INC-HIGH $85,500
  • RANK-UPPER #7571/25278
  • PHOTO-FINISH ≈ Mazon
  • BOOK-ONE 1 ZIP
  • OWN-HIGH 88% owners
  • POP-VILLAGE 760
  • SPREAD-UNK Single-ZIP book
  • HOME-LOW $177,500

Nearest income peer: Mazon, IL (+ $2,114 income $)

Instrument codes from this city’s ACS household income, national rank, county-peer gap, ZIP book, owner tenure, population scale, intra-city income spread, and home-value band, not a moving recommendation.

Income neighbourhood around South Wilmington

Lowest/highest poles plus county-sharing cities nearest South Wilmington on average ZIP median household income. Full ladder: /cities.

median HH income

What this shows County-sharing peers only, not the full US city board. Open a near peer when the gap is small; open the poles when the mosaic is wide.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2026-08-25

National city placement

According to ACS 5-Year Estimates, South Wilmington, IL sits among US cities with an above-median household income, on a village-scale population base, across a single-ZIP footprint.

Top 30%
household income vs 25,278 US cities
760
city population (Census)
1
USPS ZIP codes covered
$85,500
avg ZIP median income

Income percentile ranks this city's average ZIP median household income against 25,278 US cities with ACS income on at least one ZIP. Scale and ZIP-spread words come from Census population and USPS ZIP coverage.

Above-median income on a short ZIP list (1) - lead code 60474 (760 residents). Household income $85,500 is the roll-up; open the ZIP for tenure and commute.

Owner-occupancy here runs high (88.0%) - tenure is stable enough that the ZIP detail's owner share is the right next click, not a renter-heavy compare.

Within Illinois, Wheeling is the closest lower-income city and Tolono the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for South Wilmington.

Population concentration

South Wilmington's single ZIP 60474 carries the town

South Wilmington is published as a single USPS ZIP. Code 60474 is the entire residential footprint (760 ACS residents), so the city page and the ZIP page tell the same household story, open that ZIP for income, tenure, and commute detail.

Census ZBP business roll-up

Sparse ZBP book inside single-ZIP South Wilmington

Citywide ZBP: 9 establishments, 227 employees , annual payroll $12,731k (~12 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 60474 (9 units) .

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ZIP Codes in South Wilmington, IL

These ZIP codes sit in Grundy County, which covers 9 ZIP codes in all; 1 of them fall in South Wilmington. See the Grundy County roll-up →

South Wilmington lands mid-pack among the 8 cities sharing Grundy County: Minooka, Braceville and Verona earn more and Morris, Coal City and Gardner earn less. Kinsman marks the far end of that range at $58,750, 31% below South Wilmington.

ZIP Code Population Median income Establishments Density
60474 760 $85,500 9 89

South Wilmington roll-ups here are for informational purposes only and do not constitute financial or relocation advice. ACS and Census ZBP figures are estimates; confirm the current table against Census before a money or move decision involving South Wilmington, .