IL area data
Dahlgren, IL
Dahlgren, IL.
Population: 1,801 (Census ACS)
Home values & appreciation
- House Price Index
- 325.3 (+6.1% YoY)
Affordability
- Cost of living index (Above Average)
- 100.0 (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
- 1
- Elementary schools
- 1
- Middle schools
- 0
- High schools
- 0
Natural hazards & flood risk
- Overall hazard risk
- Very Low
- Top hazards
- earthquake, strongWind
Climate (30-year normals)
- Annual precipitation
- 48.9 in
Air quality
- Air quality rating
- Good
- Median AQI (annual)
- 44
- Days with Good air quality
- 236
Amenities
- Nearest airport
- Gelfius International Airport (3 mi)
- Nearest major airport
- Veterans Airport of Southern Illinois (MWA) (36 mi)
- Hospitals nearby (~15 mi)
- 17
- Avg hospital rating
- 2.8 / 5
- Solar radiation rating
- Fair (4.2 kWh/m²/day)
Housing stock
- Median year housing built
- 1,969
- Median annual property tax
- $1,190
- Households with broadband internet
- 63.7%
Employment & development
- Total county employment
- 1,448
- Average weekly wage
- $1,093
- Top industries (by employment)
- Wholesale Trade, Other Services, Construction
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 →