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Missouri · Midwest · 94k residents

O'Fallon, MO: cost of living, taxes & quality of life

Residential facts for O'Fallon: housing, taxes, monthly costs, climate, schools, and household income, with the Missouri median as the yardstick. Compare it live against any of 3,000 US cities.

Data coverage: ACS place data; supplementary fields may use state estimates.

The acs median home value in O'Fallon is $326,200, 45% above the Missouri median. A two-bedroom rents for about $1,371/mo. Day-to-day costs index at 92 against a national baseline of 100. The median household here earns $110,443 a year.

What the numbers show

Source-confirmed findings
  • Housing value: The ACS median home value in O'Fallon is $326,200, 45.2% above the median for ACS-covered places in Missouri.
  • Household income: Median household income is $110,443, 48.9% above the median for ACS-covered places in Missouri.
  • Adult education: 43.3% of adults have a bachelor's degree or higher, 23.7% above the median for ACS-covered places in Missouri.
  • Home value to income: The ACS median home value is about 3.0 times median household income. This is a comparison measure, not a mortgage qualification or affordability promise.

Source: U.S. Census Bureau, 2024 American Community Survey 5-year estimates(2024 ACS 5-year; tables B01003, B15003, B19013, B25077). Geography: Census place where available. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.

WhereToHQ calculates the comparisons. Figures are estimates for context, not a guarantee or personal financial advice. Read the methodology or send a correction.

What makes this place distinctive

A factual snapshot of the place, based on the profile data. It is not a tourism or cultural claim.

A researched local story is not published for this city yet. The signals below are the verified profile context.

  • Scale: A mid-sized city with a population between 50,000 and 250,000 in the profile data.
  • Setting: The profile places O'Fallon about 86 miles from the nearest tracked mountain.
  • Climate signal: The profile records 205 sunny days and 15 inches of annual snow.
  • Daily pace: The profile records a walk score of 34 and an average commute of 24 minutes.

WhereToHQ derives these signals from the committed city dataset. Read the methodology for coverage and source limits.

Compare O'Fallon side by side

Cost of living index

92

cheaper than 66% of US cities

ACS median home value

$326,200

+45% vs state median≈ US median

2-bedroom rent

$1,371/mo

≈ US median

Median household income

$110,443

+49% vs state medianhigher than 76% of US cities

Housing momentum

We don't have enough recent home-price and rent data to rank O'Fallon's housing momentum yet.

$a year

Adjusted by O'Fallon's cost-of-living index versus the US average.

All facets · O'Fallon
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Real listings in O'Fallon

Homes on ZillowRealtor.comRentals on ZillowApartments.com

Links open third-party listing searches. WhereToHQ has no paid relationship with these sites.

Questions & answers
What is the cost of living in O'Fallon, MO?
O'Fallon indexes at 92 for day-to-day costs against a national baseline of 100, with a typical two-bedroom renting for $1,371/mo and a acs median home value of $326,200.
How much does a house cost in O'Fallon?
The acs median home value in O'Fallon is $326,200, 45% above the Missouri median (Census ACS estimate; individual listings vary).
How much is rent in O'Fallon?
A two-bedroom in O'Fallon rents for about $1,371/mo.