IL area data
Cottage hills, IL
Cottage hills, IL.
Population: 3,184 (Census ACS)
Home values & appreciation
- Median home value
- $110,650
- 1-year appreciation
- +4.7%
- 3-year appreciation
- +11.9%
- 5-year appreciation
- +20.0%
- 10-year appreciation
- +62.3%
- All-time peak (2026-06)
- $110,957
- House Price Index
- 325.3 (+6.1% YoY)
Market activity
- Median sale price
- $112,500
- Median list price
- $134,950
- Median days on market
- 22 days
- Sale-to-list ratio
- 97.7%
- Active listings
- 2
- 1-year forecast
- +0.6%
- New listings (monthly)
- 3
Rents
- 2-bedroom fair-market rent (HUD reference)
- $1,160/mo
- 3BR fair-market rent
- $1,490/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%
Natural hazards & flood risk
- Overall hazard risk
- Relatively Moderate
- Top hazards
- coldWave, hail, heatWave, lightning, tornado
Climate (30-year normals)
- Average annual temperature
- 59.0°F
- Average high
- 67.0°F
- Average low
- 50.0°F
- Annual precipitation
- 46.1 in
- Annual snowfall
- 7.5 in
Air quality
- Air quality rating
- Moderate
- Median AQI (annual)
- 55
- Days with Good air quality
- 113
- Days with Unhealthy air quality
- 2
Walkability & transit
- Walkability index
- 6.3 / 20
- Transit service frequency
- -99,999
Amenities
- National parks within ~60 mi
- 2
- Nearest national park
- Gateway Arch National Park (20 mi)
- Nearest airport
- St Louis Regional Airport (ALN) (2 mi)
- Nearest major airport
- St Louis Regional Airport (ALN) (2 mi)
- Hospitals nearby (~15 mi)
- 9
- Avg hospital rating
- 3.0 / 5
- Solar radiation rating
- Fair (4.2 kWh/m²/day)
Migration
- Net migration
- -118 tax filers
Housing stock
- Median year housing built
- 1,967
- Median annual property tax
- $1,064
- Households with broadband internet
- 68.6%
Employment & development
- Total county employment
- 89,215
- Average weekly wage
- $1,059
- Top industries (by employment)
- Health Care, Accommodation & Food, Construction
- Annual residential building permits (county)
- 314
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 →