IL area data
South wilmington, IL
South wilmington, IL.
Population: 663 (Census ACS)
Home values & appreciation
- Median home value
- $194,648
- 1-year appreciation
- -0.1%
- 3-year appreciation
- +15.4%
- 5-year appreciation
- +29.2%
- All-time peak (2025-09)
- $196,362
- House Price Index
- 325.3 (+6.1% YoY)
Market activity
- Median sale price
- $210,000
- Median list price
- $189,000
- Median days on market
- 130 days
- Sale-to-list ratio
- 97.7%
- Active listings
- 2
- 1-year forecast
- +1.3%
Rents
- 2-bedroom fair-market rent (HUD reference)
- $1,220/mo
- 3BR fair-market rent
- $1,586/mo
Affordability
- Cost of living index (Average)
- 97.3 (100 = US avg)
- Electricity rate (state-level)
- 17.7¢/kWh
- Natural gas rate (state-level)
- $11.30/MCF
- 30-year mortgage rate (national)
- 6.66%
- 15-year mortgage rate (national)
- 6.00%
Schools
- Total schools
- 1
- Elementary schools
- 1
- Middle schools
- 0
- High schools
- 0
Natural hazards & flood risk
- Overall hazard risk
- Relatively Low
- Top hazards
- coldWave, strongWind, tornado
- FEMA flood zone
- AE
- Flood risk level
- High
Climate (30-year normals)
- Average annual temperature
- 49.0°F
- Average high
- 60.0°F
- Average low
- 39.0°F
- Annual precipitation
- 39.8 in
Walkability & transit
- Walkability index
- 4.7 / 20
- Transit service frequency
- -99,999
Amenities
- National parks within ~60 mi
- 1
- Nearest national park
- Pullman National Historical Park (49 mi)
- Nearest airport
- Jurassic Landings Ultralightport (5 mi)
- Nearest major airport
- Greater Kankakee Airport (IKK) (23 mi)
- Hospitals nearby (~15 mi)
- 1
- Avg hospital rating
- 3.0 / 5
- Solar radiation rating
- Fair (3.9 kWh/m²/day)
Migration
- Net migration
- +61 tax filers
Housing stock
- Median year housing built
- 1,960
- Median annual property tax
- $3,623
- Mean commute to work
- 31 min
- Households with broadband internet
- 76.6%
Employment & development
- Total county employment
- 18,422
- Average weekly wage
- $1,363
- Top industries (by employment)
- Health Care, Construction, Accommodation & Food
- Annual residential building permits (county)
- 54
Area data compiled from public government, academic, and industry research feeds. Data sources →
Data last updated
Most recent source refresh: Aug 2026. See all data sources →