IL area data
Waterloo, IL
Waterloo, IL.
Population: 18,208 (Census ACS)
Home values & appreciation
- Median home value
- $334,210
- 1-year appreciation
- +3.7%
- 3-year appreciation
- +17.2%
- 5-year appreciation
- +28.9%
- 10-year appreciation
- +66.1%
- All-time peak (2026-04)
- $337,190
- House Price Index
- 325.3 (+6.1% YoY)
Market activity
- Median sale price
- $320,000
- Median days on market
- 17 days
- Sale-to-list ratio
- 98.5%
- 1-year forecast
- +1.3%
- Days to pending
- 60 days
- New listings (monthly)
- 22
Rents
- 2-bedroom fair-market rent (HUD reference)
- $1,050/mo
- 3BR fair-market rent
- $1,350/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
- 6
- Elementary schools
- 3
- Middle schools
- 1
- High schools
- 2
Natural hazards & flood risk
- Overall hazard risk
- Very Low
- Top hazards
- heatWave, strongWind
- FEMA flood zone
- A19
- Flood risk level
- High
Climate (30-year normals)
- Annual precipitation
- 47.2 in
Walkability & transit
- Walkability index
- 10.2 / 20
- Transit service frequency
- -99,999
Amenities
- National parks within ~60 mi
- 3
- Nearest national park
- Ulysses S Grant National Historic Site (20 mi)
- Nearest airport
- Flight Park Inc Airport (8 mi)
- Nearest major airport
- Scott AFB/Midamerica Airport (BLV) (24 mi)
- Hospitals nearby (~15 mi)
- 4
- Avg hospital rating
- 3.0 / 5
- Solar radiation rating
- Fair (4.2 kWh/m²/day)
Migration
- Net migration
- +93 tax filers
Housing stock
- Median year housing built
- 1,991
- Median annual property tax
- $4,556
- Mean commute to work
- 26 min
- Households with broadband internet
- 78.4%
Employment & development
- Total county employment
- 7,262
- Average weekly wage
- $861
- Top industries (by employment)
- Accommodation & Food, Health Care, Administrative Services
- Annual residential building permits (county)
- 58
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 →