Daylight through the yearLongest day (Jun 21): 15 h 9 min5:20 am – 8:29 pmShortest day (Dec 21): 9 h 12 min7:15 am – 4:27 pm
Sun todaySunrise –Sunset –
People663 residentsin the ZIP code areaMedian age 46.9308 householdsMedian household income $85,500Median home value $177,500Median rent $1,358 a month88% of homes owner-occupiedMedian property tax $3,623 a yearSource: US Census Bureau, American Community Survey 2020-2024
Work and commuting4.2% unemployment rate60% of adults are in the labour force, 317 employedMain industries: education and health care 24%, retail 18%, manufacturing 16%Average commute 32 minutes90% drive alone, 4% car-pool, 1% take public transport, 4% work from homeSource: US Census Bureau, American Community Survey 2020-2024, ZIP area
Education and languages14% of adults have a bachelor's degree or higher92% finished high school, 4% hold a graduate degreeLanguages at home: English only 96%, Russian or other Slavic 2%Source: US Census Bureau, American Community Survey 2020-2024, ZIP area
ClimateWarmest month July: highs 84°F, lows 62°FColdest month January: highs 31°F, lows 14°F38 in of rain a year, on about 72 dayswettest month May23 in of snow a year, on about 10 days16 days above 90°F, 140 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Dwight station, 9 mi away
Nearby landmarksEast Fork Mazon Riverriver · 1.1 miBraidwood Power Plant Cooling Pondlake · 3.2 miWest Fork Mazon Riverriver · 6.1 miHawk Lakelake · 7.1 miRound Grove (historical)woods · 6.5 miSource: USGS Geographic Names Information System
Parks and public landsMazonia-Braidwood State Fish and Wildlife Areastate conservation land · under a mile · 2,816 acresK-Mine Parkpark · 3.5 miSand Ridge Savanna Preserve 2state conservation land · 6.8 mi · 142 acresBraidwood Parkpark · 6.4 miKankakee Sands Preserve 2state conservation land · 8.0 mi · 152 acresWilmington Shrub Prairie State Natural Areastate conservation land · 8.3 mi · 390 acresSource: USGS Protected Areas Database (PAD-US)
Earthquakes5 of magnitude 3 or more within 50 miles since 19701 of magnitude 4+, 0 of magnitude 5+Largest: magnitude 4.2 on 28 Jun 200438 mi away, near Dayton, IllinoisMost recent: magnitude 3.1 on 15 Jul 202439 mi awaySource: USGS Earthquake Catalog
Natural hazardsOverall risk Relatively LowGrundy County, IL, compared with all US countiesHigher-risk hazardsCold wave Relatively HighSource: FEMA National Risk Index (county level)
Air quality62% of days had good air in 2025225 of 365 days measured135 moderate, 4 unhealthy for sensitive groups, 1 unhealthy daysMedian index 44, worst day 156main pollutant: fine particles (PM2.5)Source: US EPA Air Quality Index, nearest monitors: Will County, IL, 24 mi away
Internet at home89% of households have a broadband subscription77% have cable, fibre or DSL6% rely on a mobile data plan alone10% have no internet at homeSource: US Census Bureau, American Community Survey 2020-2024
Drinking waterSouth Wilmingtonserves 700 people from ground waterNo health-based violations since 202111 monitoring or reporting violations since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the town
Elevation581 ft177 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalMorris Hospital and Healthcare Center14.9 miPost officeSouth Wilmington Post Officeunder a mileTown hallSouth Wilmington Village Hallunder a milePoliceGardner Police Department1.5 miFire stationSouth Wilmington Volunteer Fire Departmentunder a mileSource: USGS National Structures Dataset
SchoolsWithin 2 mi3 schools2 elementary, 1 highElementarySouth Wilmington Grade Schoolunder a mileHighGardner - South Wilmington High School1.4 miElementaryGardner Grade School1.7 miSource: USGS National Structures Dataset
Getting aroundAirportChicago Midway International Airport MDW50 miInterstateI-552.3 miUS highwayUS 615 miAmtrakDwight, IL DWT10 miCoachKankakee Ricky Rocket Fuel CenterFlixBus23 miSources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 60474 ZIP area.
