Area data
Saint charles, MO — ZIP 63303
Population: 46,089 (Census ACS)
Home values & appreciation
- Median home value
- $361,412
- 1-year appreciation
- +1.8%
- 3-year appreciation
- +6.8%
- 5-year appreciation
- +24.1%
- 10-year appreciation
- +68.4%
- All-time peak (2026-07)
- $361,412
- House Price Index
- 403.5 (+4.3% YoY)
Market activity
- Median sale price
- $190,000
- Median list price
- $195,000
- Median days on market
- 53 days
- Sale-to-list ratio
- 99.1%
- Active listings
- 24
- 1-year forecast
- +1.3%
- Days to pending
- 19 days
- New listings (monthly)
- 67
Rents
- Typical rent
- $1,607/mo
- 1-year rent change
- +3.4%
- 1BR fair-market rent
- $1,220/mo
- 3BR fair-market rent
- $1,920/mo
Affordability
- Cost of living index (Low)
- 89.5 (100 = US avg)
- Electricity rate (state-level)
- 13.5¢/kWh
- Natural gas rate (state-level)
- $14.90/MCF
- 30-year mortgage rate (national)
- 6.66%
- 15-year mortgage rate (national)
- 6.00%
Schools
- Total schools
- 7
- Elementary schools
- 4
- Middle schools
- 1
- High schools
- 1
Natural hazards & flood risk
- Overall hazard risk
- Relatively Moderate
- Top hazards
- strongWind, coldWave, hail, inlandFlooding, lightning
- FEMA flood zone
- A10
- Flood risk level
- High
Climate (30-year normals)
- Annual precipitation
- 45.8 in
Air quality
- Air quality rating
- Good
- Median AQI (annual)
- 45
- Days with Good air quality
- 156
Walkability & transit
- Walkability index
- 7.8 / 20
- Transit service frequency
- -99,999
Amenities
- National parks within ~60 mi
- 3
- Nearest national park
- Ulysses S Grant National Historic Site (17 mi)
- Nearest airport
- Creve Coeur Airport (2 mi)
- Nearest major airport
- Spirit of St Louis Airport (SUS) (8 mi)
- Hospitals nearby (~15 mi)
- 23
- Avg hospital rating
- 3.2 / 5
- Solar radiation rating
- Fair (4.2 kWh/m²/day)
Migration
- Net migration
- +810 tax filers
Housing stock
- Median year housing built
- 1,989
- Median annual property tax
- $3,416
- Mean commute to work
- 18 min
- Households with broadband internet
- 86.1%
Employment & development
- Total county employment
- 143,570
- Average weekly wage
- $1,124
- Top industries (by employment)
- Health Care, Accommodation & Food, Construction
- Annual residential building permits (county)
- 1,399
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 →