Bloomington vs O'Fallon
The short version
- Overall prices are about the same in both metro areas (BEA 2024).
- The median home costs $203,300 in Bloomington and $326,200 in O'Fallon.
- Households earn more in O'Fallon ($110,443 vs $77,384 median).
- O'Fallon has the warmer winter: January highs of 40°F vs 33°F.
- O'Fallon has more scorching days: 47 a year at 90°F or hotter vs 26.
- O'Fallon is growing faster: +5.2% since 2020 vs +0.1%.
- Commutes are shorter in Bloomington (17 vs 26 minutes each way).
Side by side
| Bloomington, IL | O'Fallon, MO | |
|---|---|---|
| People | ||
| Population (2025) | 78,804 | 96,101 |
| Growth since 2020 | +0.1% | +5.2% |
| People per square mile | 2,907 | 3,146 |
| Median age | 36.2 | 38.4 |
| Bachelor's degree or higher | 49% | 43% |
| Money and housing | ||
| Median household income | $77,384 | $110,443 |
| Median home value | $203,300 | $326,200 |
| Home value to income | 2.6× | 3.0× |
| Median rent (with utilities) | $1,050 | $1,443 |
| Metro price level (US = 100) | 93.5 | 95.1 |
| Housing price level (US = 100) | 74.7 | 79.0 |
| $75,000 elsewhere equals | $70,200 | $71,300 |
| Homeowners | 62% | 81% |
| Top state income tax | 4.95% | 4.7% |
| Combined sales tax | 8.98% | 8.44% |
| Work and commute | ||
| Average commute (minutes) | 16.8 | 25.5 |
| Work from home | 21% | 18% |
| Take public transit | 1% | 0% |
| Unemployment (2020-24 avg) | 2.7% | 2.7% |
| Poverty rate | 11% | 5.4% |
| Weather | ||
| January high / low | 33° / 16° | 40° / 24° |
| July high / low | 86° / 63° | 90° / 71° |
| Precipitation per year | 39 in | 42 in |
| Snowfall per year | 20 in | 17 in |
| Days 90°F or hotter | 26 | 47 |
| Nights below freezing | 133 | 85 |
| Comfortable months | 4 | 3 |
| Risks, air and home prices | ||
| Natural hazard risk (FEMA, county) | Relatively Moderate | Relatively Moderate |
| FEMA risk score (lower is safer) | 86.9 | 92.6 |
| Good air days, 2025 | 66% | 31% |
| Home prices, past year | +8.7% | +4.1% |
| Home prices, past 5 years | +52.2% | +40.5% |
Highlighted cells are the better value where "better" is clear (lower prices, higher income, shorter commutes). Sources: Census Bureau 2025 estimates and ACS 2020-2024, BEA 2024, NOAA 1991-2020, Tax Foundation 2026.
Weather, month by month
Most comfortable months: Bloomington: June to September. O'Fallon: June and September to October.
Full monthly tables: Bloomington weather by month and O'Fallon weather by month.
What $75,000 is worth
A $75,000 salary in an average-priced US city buys about the same as $70,200 in Bloomington and $71,300 in O'Fallon. Moving from Bloomington to O'Fallon, you would need about $76,200 to match a $75,000 salary.
Which would you pick?
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