Lake St. Louis, MO vs O'Fallon, MO

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

MetricLake St. Louis, MOO'Fallon, MO
Population18,06693,801
Median Household Income$125,693$110,443
Median Rent$1,588/mo$1,443/mo
Median Home Value$405,900$326,200
Cost of Living (US = 100)9595
Renters Paying 30%+ of Income29.7%39.8%
Poverty Rate4.3%5.4%
Unemployment Rate3.4% (county)3.1%
Violent Crime Rate /100k10697
Property Crime Rate /100k348530
Median AQI——
Good AQI Days /yr——
Summer Highs86°F86°F
Winter Lows24°F24°F
Snowfall14 in/yr14 in/yr
Avg Commute25.6 min25.5 min
Hospitals11
Avg Hospital Rating3.0 / 54.0 / 5
Students per Teacher1413.4
College Degree Rate51.7%43.3%
Foreign-Born %4%6.3%
Population Growth (2020–2025)+14.4%+5.2%

Green = clearly better (more than 5% apart). Population, growth, weather, hospital count and foreign-born share aren’t scored.