IL area data
Carol stream, IL
Carol stream, IL.
Population: 42,307 (Census ACS)
Home values & appreciation
- Median home value
- $391,605
- 1-year appreciation
- +3.6%
- 3-year appreciation
- +16.9%
- 5-year appreciation
- +31.5%
- 10-year appreciation
- +68.7%
- All-time peak (2026-07)
- $391,605
- House Price Index
- 325.3 (+6.1% YoY)
Market activity
- Median sale price
- $423,500
- Median list price
- $435,000
- Median days on market
- 41 days
- Sale-to-list ratio
- 102.2%
- Active listings
- 35
- 1-year forecast
- +1.9%
- Days to pending
- 22 days
- New listings (monthly)
- 37
Rents
- Typical rent
- $1,835/mo
- 1-year rent change
- +1.0%
- 1BR fair-market rent
- $1,610/mo
- 3BR fair-market rent
- $2,330/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
- 9
- Elementary schools
- 7
- Middle schools
- 1
- High schools
- 1
Natural hazards & flood risk
- Overall hazard risk
- Relatively High
- Top hazards
- coldWave, strongWind, tornado, inlandFlooding, lightning
- FEMA flood zone
- AE
- Flood risk level
- High
Climate (30-year normals)
- Annual precipitation
- 42.8 in
Air quality
- Air quality rating
- Moderate
- Median AQI (annual)
- 53
- Days with Good air quality
- 146
- Days with Unhealthy air quality
- 4
Walkability & transit
- Walkability index
- 6.2 / 20
- Transit service frequency
- -99,999
Amenities
- National parks within ~60 mi
- 2
- Nearest national park
- Pullman National Historical Park (31 mi)
- Nearest airport
- Schaumburg Regional Airport (5 mi)
- Nearest major airport
- Dupage Airport (DPA) (6 mi)
- Hospitals nearby (~15 mi)
- 31
- Avg hospital rating
- 3.5 / 5
- EV charging stations (within 10 mi)
- 180
- Solar radiation rating
- Fair (3.9 kWh/m²/day)
Migration
- Net migration
- -3,532 tax filers
Housing stock
- Median year housing built
- 1,984
- Median annual property tax
- $8,008
- Mean commute to work
- 23 min
- Households with broadband internet
- 77.3%
Employment & development
- Total county employment
- 572,803
- Average weekly wage
- $1,507
- Top industries (by employment)
- Health Care, Professional Services, Administrative Services
- Annual residential building permits (county)
- 784
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 →