O'Fallon, Illinois
Among the top 11% of US places for getting around.
AffordabilityAffordability: grade D, better than 11% of US places
WeatherWeather: grade F, better than 6% of US places
Safety & WellbeingSafety & Wellbeing: grade C, better than 27% of US places
Getting AroundGetting Around: grade A, better than 89% of US places
Lifestyle & ConnectivityLifestyle & Connectivity: grade B, better than 59% of US places
- top 11% for walkability
- top 16% for airport distance
- bottom 2% for air quality
O'Fallon is a mid-size city in Illinois with about 32,000 residents. It grades A for getting around and F for weather. Standout strengths include walkability, airport distance, and broadband access. It rates lower on property tax rate and air quality.
Official websiteofallon.org (opens in new tab)
Climate
Hot, humid summers · Cold winters · Moderate rain · Light snow
v.cold
cold
cool
comf.
warm
hot
warm
comf.
cool
cold
73%48%clearovercast
Precipitation 4.5 in2.6 in
muggy 97%dry
Livability factors
Affordability
Median Household Income$103k86th percentile — neutral, not ranked
Cost of Living$47kbetter than 46% of US places
Home Value$261k72nd percentile — neutral, not ranked
Monthly Rent$1kbetter than 24% of US places
Monthly Owner Costs$2kbetter than 20% of US places
Property Tax Rate2.16%better than 7% of US places
Income Tax5.00%better than 47% of US places
Sales Tax8.86%better than 14% of US places
Estimated total tax burden13.41%better than 23% of US places
Unemployment3.6%better than 53% of US places
Weather
Winter Temp (Jan)33°F54th percentile — neutral, not ranked
Summer Temp (Jul)79°F69th percentile — neutral, not ranked
Annual Precipitation43.6 in56th percentile — neutral, not ranked
Annual Snowfall11.2 inbetter than 59% of US places
Sunny Days217 daysbetter than 34% of US places
Summer Humidity69°Fbetter than 20% of US places
Comfortable Days68 daysbetter than 20% of US places
Safety & Wellbeing
Natural Disaster Risk65.3better than 50% of US places
Air Quality57 AQIbetter than 2% of US places
School Quality55.2better than 45% of US places
Violent Crime571/100kbetter than 60% of US places
Property Crime1122/100kbetter than 43% of US places
Community
Population32,10496th percentile — neutral, not ranked
Median Age37.332nd percentile — neutral, not ranked
Racial Diversity0.4477th percentile — neutral, not ranked
Male/Female Ratio0.9645th percentile — neutral, not ranked
Political LeaningEven22nd percentile — neutral, not ranked
White (%)71.4%32nd percentile — neutral, not ranked
Black (%)12.7%86th percentile — neutral, not ranked
Hispanic (%)4.8%56th percentile — neutral, not ranked
Asian (%)3.6%87th percentile — neutral, not ranked
Other / Multiracial (%)7.4%83rd percentile — neutral, not ranked
Getting Around
Commute Time26 minbetter than 49% of US places
Walkability11.0/20better than 89% of US places
Airport Distance27 mibetter than 84% of US places
Lifestyle & Connectivity
Broadband Access93.8%better than 79% of US places
Amenities Nearby34.58better than 31% of US places
Park & Nature AccessGoodbetter than 57% of US places
Similar places
Frequently asked questions
- Is O'Fallon an affordable place to live?
- O'Fallon is about average in cost. Its cost-of-living index is $47k, better than 46% of comparable areas.
- What is the median home value in O'Fallon?
- The median home value in O'Fallon is $261k, per the U.S. Census ACS (5-Year).
- What is the median household income in O'Fallon?
- Median household income in O'Fallon is $103k, per the U.S. Census ACS (5-Year).
- How much is rent in O'Fallon?
- Median gross rent in O'Fallon is $1k a month, per the U.S. Census ACS (5-Year).
- Is O'Fallon safe?
- O'Fallon is safer than most comparable areas, with a violent crime rate of 571/100k (better than 60%). Property crime is 1122/100k.
- What is the weather like in O'Fallon?
- O'Fallon averages 79°F in July and 33°F in January, with 43.6 in of annual precipitation and about 217 sunny days a year.
- How are the schools in O'Fallon?
- Public-school quality in O'Fallon is about average, scoring better than 45% of comparable areas on a composite of graduation rates, spending, and student-teacher ratio.
- How long is the commute in O'Fallon?
- The average one-way commute in O'Fallon is 26 min.
Other places in St. Clair County
Places near O'Fallon
Compare O'Fallon
Explore Illinois
Data sources
- EPA Air Quality (AQI)
- EPA Smart Location Database
- EPI Family Budget Calculator
- FAA airport enplanements
- FBI Uniform Crime Reports
- FEMA National Risk Index
- MIT Election Data Lab (2020)
- NCES School Finance Survey
- NOAA Climate Normals (1991–2020)
- NOAA nClimGrid
- OpenStreetMap
- Tax Foundation + state revenue depts
- U.S. Census ACS (5-Year)
- USGS Protected Areas (PAD-US)