IL area data
Sullivan, IL
Sullivan, IL.
Population: 7,787 (Census ACS)
Home values & appreciation
- Median home value
- $200,736
- 1-year appreciation
- +8.6%
- 3-year appreciation
- +29.9%
- 5-year appreciation
- +40.4%
- 10-year appreciation
- +86.0%
- All-time peak (2026-07)
- $200,736
- House Price Index
- 325.3 (+6.1% YoY)
Market activity
- New listings (monthly)
- 8
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
- 3
- Elementary schools
- 1
- Middle schools
- 1
- High schools
- 1
Natural hazards & flood risk
- Overall hazard risk
- Relatively Low
- Top hazards
- coldWave, drought, strongWind
Climate (30-year normals)
- Average annual temperature
- 53.0°F
- Average high
- 64.0°F
- Average low
- 43.0°F
- Annual precipitation
- 43.9 in
Amenities
- National parks within ~60 mi
- 2
- Nearest national park
- Springfield 1908 Race Riot National Monument (56 mi)
- Nearest airport
- Alms Restricted Landing Area (1 mi)
- Nearest major airport
- Decatur Airport (DEC) (21 mi)
- Hospitals nearby (~15 mi)
- 1,090
- Avg hospital rating
- 3.1 / 5
- Solar radiation rating
- Fair (4.1 kWh/m²/day)
Migration
- Net migration
- +5 tax filers
Housing stock
- Median year housing built
- 1,971
- Median annual property tax
- $3,007
- Mean commute to work
- 19 min
- Households with broadband internet
- 61.9%
Employment & development
- Total county employment
- 4,558
- Average weekly wage
- $958
- Top industries (by employment)
- Accommodation & Food, Information, Professional Services
- Annual residential building permits (county)
- 23
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 →