IL area data
Prairie Du Rocher, IL
Prairie Du Rocher, IL.
Population: 940 (Census ACS)
Home values & appreciation
- Median home value
- $173,959
- 1-year appreciation
- +9.9%
- 3-year appreciation
- +21.7%
- 5-year appreciation
- +39.2%
- All-time peak (2026-04)
- $174,972
- House Price Index
- 325.3 (+6.1% YoY)
Rents
- 2-bedroom fair-market rent (HUD reference)
- $990/mo
- 3BR fair-market rent
- $1,270/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
- strongWind, coldWave, earthquake, hail, heatWave
Climate (30-year normals)
- Annual precipitation
- 48.6 in
Air quality
- Air quality rating
- Good
- Median AQI (annual)
- 46
- Days with Good air quality
- 215
- Days with Unhealthy air quality
- 2
Amenities
- National parks within ~60 mi
- 3
- Nearest national park
- Ste. Geneviève National Historical Park (9 mi)
- Nearest airport
- Riverveiw Airport (4 mi)
- Nearest major airport
- Scott AFB/Midamerica Airport (BLV) (32 mi)
- Hospitals nearby (~15 mi)
- 1,090
- Avg hospital rating
- 3.1 / 5
- Solar radiation rating
- Fair (4.3 kWh/m²/day)
Migration
- Net migration
- -107 tax filers
Housing stock
- Median year housing built
- 1,970
- Median annual property tax
- $1,773
- Mean commute to work
- 26 min
- Households with broadband internet
- 63.4%
Employment & development
- Total county employment
- 8,323
- Average weekly wage
- $950
- Top industries (by employment)
- Accommodation & Food, Construction, Other Services
- Annual residential building permits (county)
- 8
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 →