O'Fallon, IL

Illinois · Metropolitan · City

4.0 Great / 5.0
32,139 Population
$102,793 Median Income
$274,100 Home Value
$1,312 Median Rent
58°F Avg Temperature
140 Violent Crime / 100K
36.9 yrs Median Age
51.3% Bachelor's Degree+
4.0
Overall
5.0
Economy
5.0
Affordability
1.0
Safety
5.0
Education

People

Population32,139
Median Age36.9 yrs
Density2,033/mi²
Male / Female49% / 51%
Largest GroupWhite 72.6%

Economy

5.0/5
Median Income$102,793
Per Capita Income$51,826
Unemployment2.1%
Poverty Rate3.1%
County GDP$16,131M

Housing

5.0/5
Home Value (Census)$274,100
Median Rent$1,312
Ownership RateN/A
HUD Fair Rent (2BR)$1,063

Health

Obesity33.4%
Diabetes8.7%
Depression21.2%
UninsuredN/A
SmokingN/A

Crime

1.0/5
Violent Crime140/100K
Property Crime1,477/100K
Murder0.0/100K
Vehicle Theft41.0/100K

Climate

Avg Temp58°F
Jan / Jul34° / 79°
Rain43 in/yr
Snow11 in/yr
Air QualityAQI 43 (Good)

Education

5.0/5
Bachelor's+51.3%
High School+96.9%
Graduate Degree+N/A
School Quality5.34
Libraries (County)16

Community

2024 VoteR 45% / D 53%
Commute26 min
Work From Home16.7%
BroadbandN/A
EV Stations2

How O'Fallon Compares to the U.S. Average

Median Income$102,793
Home Value$274,100
Median Rent$1,312
Poverty Rate3.1%
Bachelor's Degree+51.3%
Unemployment2.1%
Violent Crime140.2 /100K
Avg Temperature57.7°F

Population & Age

Total Population32,139
Population Density2,033 per sq mi
Median Age36.9 years
Male49.4%
Female50.6%
Male 49.4%
Female 50.6%

Race & Ethnicity

White 72.6% Black 13.6% Hispanic 2.5% Other 11.3%
White72.6%
Black or African American13.6%
Hispanic or Latino2.5%
Asian0.0%
Other Races11.3%

Language

English Only94.0%
Spanish Speakers6.0%
English 94% Spanish 6%

Social Characteristics

Disability10.5%
Health Insurance96.4%

Income

37% above avg
Median Household Income$102,793
Per Capita Income$51,826
Avg Weekly Wage (County)$1,096
IRS Avg Adjusted Gross Income$72,661

Employment & Poverty

Unemployment Rate2.1%
Poverty Rate3.1%
Total Establishments (County)4,856
County GDP$16,131M

Business & Industry (County)

Restaurants & Accommodation565
Healthcare Facilities634
Retail Stores779
Manufacturing149
Total Establishments4,856

Industry Mix

Restaurants 565 Healthcare 634 Retail 779 Manufacturing 149

Tax & Cost of Living

IRS Avg AGI$72,661
Avg Property Tax Paid$6,264

Commute & Transportation

Mean Commute Time26.1 min
Work From Home16.7%

Walkability & Transit Scores

Home Values

3% below avg
Median Home Value (Census)$274,100

Real Estate Market (Redfin)

Median List Price$382,500
Price Per Sq Ft$145
Homes Sold (month)24
Sale-to-List Ratio99.7%
Price Drops12.4%
Active Inventory89

Ownership & Housing Stock

Owner-Occupied70.9%

Rental Costs

13% above avg
Median Rent (Census)$1,312

HUD Fair Market Rent (FY2026)

Studio$774
1 Bedroom$854
2 Bedroom$1,063
3 Bedroom$1,370
4 Bedroom$1,561

Property Tax

Avg Property Tax Paid (IRS)$6,264
Effective Tax Rate (est.)2.29%

Chronic Conditions

Obesity33.4%
Diabetes8.7%
Heart Disease4.4%
High Blood Pressure30.2%
Asthma10.4%
COPD4.6%
Stroke2.5%

Behaviors & Mental Health

Binge Drinking20.6%
Physical Inactivity17.9%
Depression21.2%
Mental Distress (14+ days)15.7%
Physical Distress (14+ days)10.1%

Healthcare Access

Health Insurance Coverage96.4%
Regular Checkup78.1%
Premature Death Rate11,442 per 100K

Food & Exercise Access

Food Environment Index7.6 / 10
Exercise Access80.2%
Healthcare Facilities (County)634
Restaurants (County)565

Violent Crime (per 100,000)

Total Violent Crime140.2 /100K
Murder & Manslaughter0.0 /100K
Rape41.0 /100K
Robbery10.3 /100K
Aggravated Assault88.9 /100K

Property Crime (per 100,000)

Total Property Crime1,476.7 /100K
Burglary232.4 /100K
Larceny/Theft1,203.2 /100K
Motor Vehicle Theft41.0 /100K
Arson17.1 per 100K

Traffic & Disaster Safety

Fatal Vehicle Crashes (County, 2022)46

Temperature

34°F Jan 79°F Jul
January Average34°F (1°C)
July Average79°F (26°C)
Annual Average57.7°F

Precipitation & Snow

Annual Precipitation43.4 in
Annual Snowfall11.2 inches

Air Quality (EPA)

AQI Median43.0
AQI CategoryGood

Geography & Location

Elevation535 ft (163 m)
Land Area15.8 sq mi (40.9 km²)
Population Density2,033 per sq mi
Latitude38.6000°
Longitude-89.9154°
County FIPS17163

2024 Presidential Election (County)

R 45.2%
D 53%

Democrat +7.9 points

Education

Bachelor's Degree+51.3%
High School+96.9%
School Test Score (SEDA)5.34

Urban-Rural Classification

RUCC Code 1Metro — Counties in metro areas of 1 million+
Population Density2,033 per sq mi
Land Area15.8 sq mi

Infrastructure & Connectivity

EV Charging Stations2
Alt Fuel Stations (all types)2
Public Libraries (County)16

Safety & Disasters

Fatal Vehicle Crashes (County)46

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