IL area data
Rockbridge, IL
Rockbridge, IL.
Population: 329 (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%
Natural hazards & flood risk
- Overall hazard risk
- Very Low
- Top hazards
- drought
Climate (30-year normals)
- Average annual temperature
- 54.0°F
- Average high
- 64.0°F
- Average low
- 43.0°F
- Annual precipitation
- 44.3 in
Amenities
- National parks within ~60 mi
- 5
- Nearest national park
- New Philadelphia National Historic Site (40 mi)
- Nearest airport
- Hartwell Ranch Airport (13 mi)
- Nearest major airport
- St Louis Regional Airport (ALN) (35 mi)
- Hospitals nearby (~15 mi)
- 20
- Avg hospital rating
- 3.1 / 5
- Solar radiation rating
- Fair (4.2 kWh/m²/day)
Housing stock
- Median year housing built
- 1,956
- Median annual property tax
- $1,375
- Households with broadband internet
- 39.5%
Employment & development
- Total county employment
- 1,632
- Average weekly wage
- $860
- Top industries (by employment)
- Wholesale Trade, Finance & Insurance, Agriculture
- Annual residential building permits (county)
- 1
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 →