O'Fallon, IL
St. Clair County County · Illinois
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City DNA
A unique fingerprint for O'Fallon based on 8 key metrics — compared to averages.
O'Fallon
National Avg
Illinois Avg
Population: 65Income: 69Home Value: 27Safety: 100Education: 48Median Age: 62Climate: 50Cost of Living: 74
Quick Stats
Population
32,139
2023 ACS
Median Income
$102,793
2023
Median Home Value
$274,100
2023
Median Rent
$1,312
2023
Median Age
36.9
Unemployment
3.3%
Cost of Living Index
147.1
100 = national avg
O'Fallon, IL is a city in St. Clair County County, Illinois. With a population of 32,139, it is one of the communities in Illinois. The median household income is $102,793. The median home value is $274,100, and the median rent is $1,312. Explore the data categories below for detailed statistics about O'Fallon.
Explore Data Categories
DemographicsPopulation, age, race, ethnicity, and household statisticsIncome & EconomyHousehold income, poverty rates, and income distributionHousingHome values, rent, ownership rates, and housing trendsCrime & SafetyViolent and property crime rates, police staffing levelsSchools & EducationPublic schools, colleges, enrollment, and student performanceWeather & ClimateTemperature, precipitation, sunny days, and climate statisticsCost of LivingCost indexes, living wages, and fair market rentsJobs & EmploymentUnemployment rates, commute data, and industry employment breakdownHealthcareHospitals, ratings, emergency services, and health insuranceEnvironmentAir quality, water systems, and environmental sitesNatural DisastersHazard risk scores, disaster history, flood insurance, and FEMA spendingTransportationAirports, bridges, commute patterns, and transit accessUtilities & InfrastructureWater systems, cell towers, and utility costsVoting & ElectionsPresidential election results, party lean trends, and voter turnoutGovernment & SpendingFederal spending, contracts, grants, and local governmentZIP CodesZIP code areas, demographics, income, and housing data