Head-to-Head · City Comparison
Ann Arbor, MI
VS
O'Fallon, MO
🏆 O'Fallon leads 16 of 23 categories
Ann Arbor
Michigan
7
wins
Cost of Living Index
98.0
Median Household Income
$78,546
Violent Crime Index
80
Population
122,216 ✓ Larger
O'Fallon
Missouri
16
wins
Cost of Living Index
96.3 ✓ Cheaper
Median Household Income
$104,863 ✓ Higher
Violent Crime Index
16 ✓ Safer
Population
91,825
Pros & Cons
Auto-generated from official data — head-to-head differences and gaps vs the national average.
Ann Arbor, MI
Pros
More college-educated — 77.5% hold a bachelor's or higher
Commutes run 7 min shorter each way
Cons
Pricier housing — median home is $416,500
Median income trails O'Fallon by $26,317/yr
Higher rents — median is $1,472/mo
Snowy winters — about 59" of snow per year
O'Fallon, MO
Pros
80% less violent crime than Ann Arbor
Homes cost $133k less ($283,600 vs $416,500)
Households earn $26,317 more per year on average
Violent crime is well below the national average (59.0 vs 380/100k)
Stronger job market — unemployment is 0.6 pts lower (3.1%)
Rent averages $161/mo less ($1,311 vs $1,472)
Cons
Nothing stands out — a close match here.
Key Differences at a Glance
O'Fallon
Cost of Living
2% cheaper
COL index 96.3 vs 98.0 (100 = US avg)
O'Fallon
Median Income
$26,317
$104,863 vs $78,546/yr
O'Fallon
Violent Crime
80% lower
59.0 vs 302.5 per 100k
O'Fallon
Median Home Value
$133k less
$283,600 vs $416,500
O'Fallon
Unemployment
0.6 pp lower
3.1% vs 3.7% unemployment
O'Fallon
Summer Heat
3.5°F warmer
July avg high 87.5°F vs 84.0°F
Full Data Comparison
| Metric | Ann Arbor, MI | O'Fallon, MO |
|---|---|---|
| 💰 Cost of Living | ||
| Cost of Living Index National avg = 100 · lower = cheaper | 98.0 | 96.3 ✓ Cheaper |
| Median Home Value | $416,500⚠ High | $283,600 ✓ Lower |
| Median Monthly Rent | $1,472⚠ High | $1,311 ✓ Lower |
| 📈 Income & Economy | ||
| Median Household Income | $78,546 | $104,863 ✓ Higher |
| Unemployment Rate | 3.7% | 3.1% ✓ Lower |
| Avg Commute Minutes each way | 19.6 min ✓ Shorter | 26.1 min |
| Work From Home % | 23.2% ✓ Higher | 14.0% |
| 🔒 Safety | ||
| Crime Index 100 = national avg · lower = safer · 60% violent / 40% property | 80 | 18 ✓ Safer |
| Violent Crime Index 100 = national avg · lower = safer | 80 | 16 ✓ Safer |
| Property Crime Index 100 = national avg · lower = safer | 82 | 23 ✓ Safer |
| 🎓 Education | ||
| School Quality 100 = national avg · grad rate, staffing & attainment | A (119) ✓ Better | A (118) |
| Student-Teacher Ratio Lower = smaller classes | 14.9:1 | 12.7:1 ✓ Smaller |
| Bachelor's Degree or Higher | 77.5% ✓ Higher | 42.4% |
| High School or Higher | 97.8% ✓ Higher | 95.4% |
| School District Name only — no quality rating available | Ann Arbor Public Schools | FORT ZUMWALT SCHOOL DISTRICT |
| 🌤 Weather | ||
| Avg High — January | 31.7°F | 39.3°F ✓ Warmer |
| Avg High — July | 84.0°F | 87.5°F ✓ Warmer |
| Annual Precipitation | 35.9" ✓ Drier | 44.4" |
| Annual Snowfall | 59.3" | 13.5" ✓ Less |
| 👥 Demographics | ||
| Population | 122,216 ✓ Larger | 91,825 |
| Median Age | 27.4 | 38.0 ✓ Older |
| Homeownership Rate | 45.0% | 80.9% ✓ Higher |
| Under 18 | 12.2% | 24.9% ✓ More |
| Over 65 | 12.3% | 13.2% ✓ More |
Frequently Asked Questions
Ann Arbor's cost of living index is 98.0 vs O'Fallon's 96.3 (US average = 100).
O'Fallon is 2% less expensive overall.
Based on the 23 decided categories above, O'Fallon leads 16 of 23 categories. Ann Arbor wins 7 and O'Fallon wins 16. The right choice depends on your priorities — use the Pros & Cons and full table above to weigh what matters to you.
Whether you're moving from Ann Arbor to O'Fallon or relocating the other way, focus on the biggest gaps: housing ($416,500 vs $283,600 median home), income ($78,546 vs $104,863), safety, and schools — all covered in the full table above.
Ann Arbor, MI and O'Fallon, MO are about 439 miles apart (straight-line distance). Driving distance will be longer depending on the route.