Missouri city profile

Living in O'Fallon, Missouri

What it costs to live in O'Fallon, and how it compares with other Missouri cities, in plain numbers.

Value score

74

4th best value in Missouri

How much you get for what you pay, versus other Missouri cities.

Overall livability

73

6th overall in Missouri

Cost, safety, schools, jobs and quality of life combined.

O'Fallon is home to about 90,802 people. A typical home runs $246,100 and a household earns around $96,200, a price-to-income ratio of 2.6. Among Missouri's largest cities, it ranks 4th for value and 6th overall. For context, the typical Ofallon home is about 5% below the statewide median of $258,000 and local household income is about 51% above the statewide median of $63,700.

O'Fallon at a glance

Median home price

$246,100

24th in MO of 58

Median rent

$1,185/mo

Median household income

$96,200

Home price to income

2.6x

Unemployment

3.0%

13th in MO of 58

School rating

9/10

10th in MO of 58

See your real take-home pay in Missouri

Enter your salary and see your paycheck after Missouri taxes.

Calculate my take-home pay ›

‹ See all top Missouri cities ranked  ยท  Missouri state profile ›

More Missouri cities: Blue Springs, Columbia, Independence, Kansas City, Lee's Summit, Springfield, St. Charles, St. Joseph, St. Louis

Sources: Home prices and rent from Zillow; income, unemployment and commute from the U.S. Census; school ratings from state education data; crime from the FBI. City rankings are within Missouri only. Updated 2026.