MO area data
Arnold, MO
Arnold, MO.
Population: 34,478 (Census ACS)
Home values & appreciation
- Median home value
- $277,732
- 1-year appreciation
- +3.5%
- 3-year appreciation
- +11.0%
- 5-year appreciation
- +25.0%
- 10-year appreciation
- +63.1%
- All-time peak (2026-07)
- $277,732
- House Price Index
- 403.5 (+4.3% YoY)
Market activity
- Median sale price
- $289,000
- Median list price
- $285,000
- Median days on market
- 11 days
- Sale-to-list ratio
- 102.9%
- Active listings
- 31
- 1-year forecast
- +1.4%
- Days to pending
- 18 days
- New listings (monthly)
- 44
Rents
- Typical rent
- $1,861/mo
- 1BR fair-market rent
- $990/mo
- 3BR fair-market rent
- $1,560/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
- 10
- Elementary schools
- 6
- Middle schools
- 2
- High schools
- 1
Natural hazards & flood risk
- Overall hazard risk
- Relatively Moderate
- Top hazards
- strongWind, lightning, tornado, coldWave, earthquake
- FEMA flood zone
- A20
- Flood risk level
- High
Climate (30-year normals)
- Annual precipitation
- 45.4 in
Air quality
- Air quality rating
- Good
- Median AQI (annual)
- 44
- Days with Good air quality
- 225
- Days with Unhealthy air quality
- 2
Walkability & transit
- Walkability index
- 9.5 / 20
- Transit service frequency
- -99,999
Amenities
- National parks within ~60 mi
- 3
- Nearest national park
- Ulysses S Grant National Historic Site (9 mi)
- Nearest airport
- Arnold Ultralightport (3 mi)
- Nearest major airport
- Spirit of St Louis Airport (SUS) (21 mi)
- Hospitals nearby (~15 mi)
- 16
- Avg hospital rating
- 3.3 / 5
- Solar radiation rating
- Fair (4.2 kWh/m²/day)
Migration
- Net migration
- +778 tax filers
Housing stock
- Median year housing built
- 1,982
- Median annual property tax
- $1,827
- Mean commute to work
- 26 min
- Households with broadband internet
- 78.6%
Employment & development
- Total county employment
- 39,961
- Average weekly wage
- $920
- Top industries (by employment)
- Health Care, Accommodation & Food, Construction
- Annual residential building permits (county)
- 686
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 →