IL area data
Smithboro, IL
Smithboro, IL.
Population: 686 (Census ACS)
Home values & appreciation
- Median home value
- $162,634
- 1-year appreciation
- +14.2%
- 3-year appreciation
- +15.7%
- 5-year appreciation
- +16.5%
- All-time peak (2026-07)
- $162,634
- House Price Index
- 325.3 (+6.1% YoY)
Market activity
- Median sale price
- $278,000
- Median days on market
- 162 days
- Sale-to-list ratio
- 104.9%
- 1-year forecast
- +1.1%
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
- Very Low
Climate (30-year normals)
- Average annual temperature
- 56.0°F
- Average high
- 66.0°F
- Average low
- 46.0°F
- Annual precipitation
- 47.2 in
Amenities
- National parks within ~60 mi
- 1
- Nearest national park
- Gateway Arch National Park (51 mi)
- Nearest airport
- Greenville Airport (GRE) (5 mi)
- Nearest major airport
- Scott AFB/Midamerica Airport (BLV) (37 mi)
- Hospitals nearby (~15 mi)
- 1,090
- Avg hospital rating
- 3.1 / 5
- Solar radiation rating
- Fair (4.2 kWh/m²/day)
Migration
- Net migration
- -25 tax filers
Housing stock
- Median year housing built
- 1,966
- Median annual property tax
- $2,089
- Households with broadband internet
- 23.2%
Employment & development
- Total county employment
- 3,519
- Average weekly wage
- $884
- Top industries (by employment)
- Wholesale Trade, Finance & Insurance, Construction
- Annual residential building permits (county)
- 33
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 →