O'Fallon

MO

St. Charles County, Missouri

Population 415K |Median income $104,692 |5 hospitals

Population
414,535
St. Charles County
Median Income
$104,692
+54% vs avg
Median Home Value
$320,800
+41% vs avg
Median Age
39.8
years

10-Year Trends 2013–2024

20132024
Population
415K+14%
Median Income
$104,692+47%
Median Home Value
$320,800+70%
Poverty Rate
5.2%-10%
Unemployment
2.9%-57%

Economics

Median Rent
$1,370/mo
Poverty Rate
5.2% -63% vs avg
Unemployment 2.9%
Bachelor's Degree+ 42.7%
Work From Home 18%
Public Transit 0.1%

Population

White 84%
African American 5.1%
Two or More Ethnicities 3.7%
Asian 3%

Health Profile 15 measures

Health Indicators

Short Sleep Duration
39.9%
Obesity
35.7%
High Blood Pressure
31.9%
Physical Inactivity
23.2%
Binge Drinking
18.5%
Frequent Mental Distress
15.1%
Current Smoking
12.2%
Frequent Physical Distress
11.9%
Diabetes
10.3%
Current Asthma
10%

Preventive Care

Annual Checkup 78.2%
Dental Visit 66%

Other Measures

Lack of Health Insurance
6.4%
Coronary Heart Disease
5.6%
Stroke
2.8%

Hospitals 5 total

Rating Distribution
★★★★★
0
★★★★
1
★★★
2
★★
1
★
0
Average Rating
3/5
Total Hospitals
5
With ER
4
BARNES-JEWISH ST PETERS HOSPITAL
SAINT PETERS · Acute Care Hospitals · ER
★★★★☆
SSM ST JOSEPH HOSPITAL WEST
LAKE SAINT LOUIS · Acute Care Hospitals · ER
★★★☆☆
PROGRESS WEST HOSPITAL
OFALLON · Acute Care Hospitals · ER
★★★☆☆
SSM ST JOSEPH HEALTH CENTER
SAINT CHARLES · Acute Care Hospitals · ER
★★☆☆☆

Alerts & News — O'Fallon Area 6

Weather Alerts high

Severe Thunderstorm Warning Issued for Alexander, Catawba, Davie, Iredell, and Rowan Counties

NOAA · 34m ago
Weather Alerts high

Severe Thunderstorm Warning Issued for Charlotte Metro and Surrounding North Carolina Counties

NOAA · 34m ago
Weather Alerts high

Severe Thunderstorm Warning Issued for Rutherford, Polk, and Cleveland Counties in North Carolina

NOAA · 1h ago
Bushfire Alerts

Planned Hazard Reduction Burn Underway at Kellys Mountain in Snowy Monaro Region

NSW RFS · 12h ago
Air Quality

Air Quality Alert: Kansas City Reaches Unhealthy for Sensitive Groups Level

EPA · 1d ago
Weather Alerts high

High Wind Warning Issued for Colorado Mountains; Gusts Up to 80 MPH Expected

NOAA · 1d ago

Frequently Asked Questions 6

What is the population of O'Fallon, MO? ▼
O'Fallon, MO has a population of 414,535 people, located in St. Charles County, Missouri.
What is the median household income in O'Fallon? ▼
The median household income in O'Fallon, MO is $104,692 per year. The poverty rate is 5.2%.
What is the median home value in O'Fallon? ▼
The median home value in O'Fallon, MO is $320,800. Median rent is $1,370/month.
What are the top health concerns in O'Fallon? ▼
The top health indicators in O'Fallon include Short Sleep Duration (39.9%), Obesity (35.7%), High Blood Pressure (31.9%). Data from CDC PLACES.
How many hospitals are in O'Fallon? ▼
O'Fallon has 5 hospitals with an average rating of 3/5 stars. 4 have emergency departments.
What is the median age in O'Fallon? ▼
The median age in O'Fallon, MO is 39.8 years. 42.7% of residents have a bachelor's degree or higher.

Safety Context

O'Fallon, MO is located in St. Charles County, Missouri. With a population of 415K and a median household income of $104,692, the community faces health challenges including short sleep duration and obesity. Residents have access to 5 hospitals with an average rating of 3/5 stars. Safety alerts for the O'Fallon area are monitored from federal and state agencies including FEMA, NOAA, FDA, and CPSC.

Safety Guides

How Product Recalls Work

CPSC, FDA & NHTSA recall process explained

Understanding Weather Alerts

Watch vs warning vs advisory explained

Earthquake Magnitude Explained

What the numbers mean & when to act
All safety guides →

Explore More Data

Schools in Missouri

School ratings, test scores & enrollment → PlainSchools

Crime Rates in Missouri

FBI UCR crime statistics by city → PlainCrime

Rental Data in Missouri

HUD fair market rents & vacancy rates → PlainRent

Cost of Living in Missouri

BEA price parities & Census economics → PlainCost

ZIP Code Data in Missouri

Demographics & economics by ZIP code → PlainZIP

Nearby Cities 8

Dardenne Prairie, MO 13K Saint Peters, MO 53K Lake Saint Louis, MO 15K Wentzville, MO 36K Saint Charles, MO 66K Chesterfield, MO 48K Bridgeton, MO 12K Wildwood, MO 36K
All cities in Missouri → Browse all cities
Data Sources

All data on this page comes from official U.S. government sources. Population and economic data from the Census Bureau American Community Survey (2022 5-year estimates). Health data from the CDC PLACES program (2023). Hospital ratings from CMS Hospital Compare (2024). Data is county-level (St. Charles County) as the smallest consistent geographic unit across all sources.

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the U.S. Census Bureau, FBI UCR, CDC PLACES, and NCES. Consult a qualified professional before making decisions based on this data.