Lee's Summit vs O'Fallon
The short version
- Lee's Summit is cheaper overall: prices in its metro run 3% lower than in the O'Fallon area (BEA 2024).
- The median home costs $326,200 in O'Fallon and $340,900 in Lee's Summit.
- Households earn more in O'Fallon ($110,443 vs $102,531 median).
Side by side
| Lee's Summit, MO | O'Fallon, MO | |
|---|---|---|
| People | ||
| Population (2025) | 107,514 | 96,101 |
| Growth since 2020 | +6.3% | +5.2% |
| People per square mile | 1,683 | 3,146 |
| Median age | 38.8 | 38.4 |
| Bachelor's degree or higher | 49% | 43% |
| Money and housing | ||
| Median household income | $102,531 | $110,443 |
| Median home value | $340,900 | $326,200 |
| Home value to income | 3.3× | 3.0× |
| Median rent (with utilities) | $1,422 | $1,443 |
| Metro price level (US = 100) | 92.5 | 95.1 |
| Housing price level (US = 100) | 86.6 | 79.0 |
| $75,000 elsewhere equals | $69,400 | $71,300 |
| Homeowners | 73% | 81% |
| Top state income tax | 4.7% | 4.7% |
| Combined sales tax | 8.44% | 8.44% |
| Work and commute | ||
| Average commute (minutes) | 25.2 | 25.5 |
| Work from home | 21% | 18% |
| Take public transit | 0% | 0% |
| Unemployment (2020-24 avg) | 3.8% | 2.7% |
| Poverty rate | 5.7% | 5.4% |
| Weather | ||
| January high / low | 39° / 22° | 40° / 24° |
| July high / low | 88° / 70° | 90° / 71° |
| Precipitation per year | 38 in | 42 in |
| Snowfall per year | 13 in | 17 in |
| Days 90°F or hotter | 38 | 47 |
| Nights below freezing | 96 | 85 |
| Comfortable months | 3 | 3 |
| Risks, air and home prices | ||
| Natural hazard risk (FEMA, county) | Relatively High | Relatively Moderate |
| FEMA risk score (lower is safer) | 96.5 | 92.6 |
| Good air days, 2025 | 49% | 31% |
| Home prices, past year | +3.2% | +4.1% |
| Home prices, past 5 years | +42.4% | +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: Lee's Summit: April and September to October. O'Fallon: June and September to October.
Full monthly tables: Lee's Summit 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 $69,400 in Lee's Summit and $71,300 in O'Fallon. Moving from Lee's Summit to O'Fallon, you would need about $77,100 to match a $75,000 salary.
Moving between Lee's Summit and O'Fallon
IRS county-to-county migration, 2022 to 2023 tax years, for the counties that contain each city. See where else people move from Lee's Summit and O'Fallon.
Which would you pick?
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