Wilmington is a city in Will County, Illinois, United States. Located on Illinois Route 53 and Historic U.S. Route 66 along the east bank of the Kankakee River, it is approximately 60 miles (97 km) south-west from downtown Chicago. The population was 5,664 at the 2020 census. Wilmington is just south of Midewin National Tallgrass Prairie, which is home to the largest bison herd in the state.

Official town website ↗

From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)

How Wilmington ranks

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#43Best schools in IL All IL rankings →

Town numbers

ZIP code60481

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Living in Wilmington

Housing in Wilmington

$277K▲ 5.9% in a year Typical home value · Zillow

The typical Wilmington home is worth about $277,000, up 5.9% in a year, 7% below the Illinois typical home.

Zillow Home Value Index · Redfin Data CenterHousing market →

Work & commute in Wilmington

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Most working residents leave Wilmington for work: only 10% work in town. The top destinations are Wilmington (11%), Joliet (11%) and Chicago (10%). Half commute less than 23 miles.

Wilmington

11%

Joliet

11%

Chicago

10%

Channahon

10%Work in townlive and work in Wilmington 23 miWhere do people commute?the commute map 3,436Jobs based herebalanced

Census LEHD 2023 · ACSWork & commute in Wilmington →

Health in Wilmington

B⁻

Health Grade B−

Healthier than 46% of U.S. towns on seven CDC estimates, and 64% of towns with similar incomes.

Compared with Illinois

5better than IL·6worse

of 32 measures CDC estimates. The other 21 are too close to call.

Conditions 4▼ 8 close Habits 1▼ 3 close Care 1▲ 6 close Mind 1▼ 4 close Everyday needs 4▲ 0 close

BetterToo close to callWorse

What stands out

7.7%Fewer uninsured adultsIL 9.9% · better 12.4%Fewer adults facing food insecurityIL 15.9% · better 8.2%More adults with COPDIL 6.3% · worse

Care nearby

Morris Hospital & Healthcare CentersMorris · 12.5 mi · ER

Will County Community Health CenterJoliet · 13.3 mi · sliding-scale fees

Primary careNo shortage

DentalNo shortage

Mental healthShortage · county-wide

CDC PLACES 2025 · modeled estimates for adults · ZIP codes 60481, 60416 · CMS · HRSAHealth in Wilmington →

Natural hazards in Wilmington

High

Expected storm and flood damage is higher than in 67% of U.S. communities.

🌊 Inland flooding🌪️ Tornadoes🥶 Cold waves

215Does Wilmington flood?paid flood claims since 1978 NoneDisasters that paid out hereof 17 declared for Will County MapWilmington vs. its neighborsnearby towns shaded by rating

FEMA National Risk Index December 2025 · OpenFEMANatural hazards in Wilmington →

Climate in Wilmington

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Wilmington has chilly winters and warm summers. A typical July afternoon reaches 85°, a January night drops to 17°, and about 18 inches of snow falls in a normal winter.

35° / 20°Winter

61° / 40°Spring

83° / 62°Summer

64° / 43°Fall

How much snow does Wilmington get?About 18 inches a winter.Rain & snow →When is the first frost?Around Oct 26, with the last in spring around Apr 16.Frost dates →Is it warmer than it used to be?+1.4° vs. the 20th century.Then & now →

NOAA U.S. Climate Normals, 1991–2020Climate in Wilmington →

Schools in Wilmington

All Wilmington schools →

A⁻

School Grade A-

The public schools Wilmington’s kids attend, from kindergarten through graduation, outperform 80% of Illinois’s districts on state tests and graduation. Among towns with similar incomes, they rank near the top.

#43Best public schoolsof 384 in IL

DistrictWilmington CUSD 209USchools2

L J Stevens Intermediate School AElementary · Grades 2–5 · 353 students Wilmington Middle School AMiddle · Grades 6–8 · 254 students

School data from the U.S. Department of Education (NCES, EDFacts). The School Grade is our own summary of state test results and graduation rates, graded within IL. Ratings are from neighbors.