Illinois · Midwest · 32k residents
O'Fallon, IL: cost of living, taxes & quality of life
Residential facts for O'Fallon: housing, taxes, monthly costs, climate, schools, and household income, with the Illinois 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 $295,700, 6% above the Illinois median. A two-bedroom rents for about $1,267/mo. Day-to-day costs index at 93 against a national baseline of 100. The median household here earns $105,982 a year.
What the numbers show
Source-confirmed findings- Housing value: The ACS median home value in O'Fallon is $295,700, 5.5% above the median for ACS-covered places in Illinois.
- Household income: Median household income is $105,982, 15.1% above the median for ACS-covered places in Illinois.
- Adult education: 52.4% of adults have a bachelor's degree or higher, 35.4% above the median for ACS-covered places in Illinois.
- Home value to income: The ACS median home value is about 2.8 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 smaller city in the profile data, with fewer than 50,000 residents.
- Setting: The profile places O'Fallon about 84 miles from the nearest tracked mountain.
- Climate signal: The profile records 190 sunny days and 11 inches of annual snow.
- Daily pace: The profile records a walk score of 30 and an average commute of 29 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
93
ACS median home value
$295,700
2-bedroom rent
$1,267/mo
Median household income
$105,982
Housing momentum
We don't have enough recent home-price and rent data to rank O'Fallon's housing momentum yet.
Adjusted by O'Fallon's cost-of-living index versus the US average.
| ACS median home value | $295,700 |
| Price per sq. ft. | $175 |
| Property tax rate | 2.1% |
| 1-bedroom rent | $1,036/mo |
| 2-bedroom rent | $1,267/mo |
| State & local income tax | 4.95% |
| Sales tax | 8.85% |
| Cost of living index | 93 |
| Groceries index | 98 |
| Utilities | $165/mo |
| Transit pass | $75/mo |
| Gas price | $3.65/gal |
| Healthcare index | 98 |
| Childcare (per child) | $1,300/mo |
| Median household income | $105,982 |
| Unemployment rate | 4.7% |
| Population | 32k |
| Crime index | 50/100 |
| School rating | 6.3/10 |
| Walkability | 30/100 |
| Disaster risk | — |
| Avg. commute | 29 min |
| Sunny days / year | 190 days |
| July high | 90°F |
| January low | 24°F |
| Annual snowfall | 11 in |
| Home price YoY | — |
| Home price MoM | — |
| Rent YoY | — |
| Rent MoM | — |
| Ocean coast | 571 mi |
| Big lake | 155 mi |
| Mountains | 84 mi |
| Major airport | 27 mi |
| Ski resort | 41 mi |
Popular comparisons
Nearby
- Fairview Heights, IL · 17k
- Collinsville, IL · 24k
- Belleville, IL · 41k
- East St. Louis, IL · 18k
- Cahokia Heights, IL · 17k
Similar size
- Elk Grove Village, IL · 32k
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- Glendale Heights, IL · 33k
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Real listings in O'Fallon
Homes on Zillow ↗Realtor.com ↗Rentals on Zillow ↗Apartments.com ↗
Links open third-party listing searches. WhereToHQ has no paid relationship with these sites.
- What is the cost of living in O'Fallon, IL?
- O'Fallon indexes at 93 for day-to-day costs against a national baseline of 100, with a typical two-bedroom renting for $1,267/mo and a acs median home value of $295,700.
- How much does a house cost in O'Fallon?
- The acs median home value in O'Fallon is $295,700, 6% above the Illinois median (Census ACS estimate; individual listings vary).
- How much is rent in O'Fallon?
- A two-bedroom in O'Fallon rents for about $1,267/mo.