Arnold, MO vs Affton, MO

Side-by-side comparison from the latest government data.

MetricArnold, MOAffton, MO
Population20,95619,052
Median Household Income$78,370$79,539
Median Rent$1,112/mo$1,015/mo
Median Home Value$220,000$212,400
Cost of Living (US = 100)9595
Renters Paying 30%+ of Income32.4%28.2%
Poverty Rate8.2%6.6%
Unemployment Rate3.7% (county)4.1% (county)
Violent Crime Rate /100k76440*
Property Crime Rate /100k8311,429*
Median AQI42—
Good AQI Days /yr268—
Summer Highs87°F88°F
Winter Lows25°F28°F
Snowfall10 in/yr14 in/yr
Avg Commute27.2 min23.5 min
Hospitals——
Avg Hospital Rating——
Students per Teacher13.914.2
College Degree Rate25.4%36.6%
Foreign-Born %5.3%11%
Population Growth (2020–2025)+0.5%-0.6%

Green = clearly better (more than 5% apart). Population, growth, weather, hospital count and foreign-born share aren’t scored.
* Rate of the agency that polices Affton (the city has no police department of its own), so it isn’t scored.