Head-to-Head · City Comparison
O'Fallon, MO
VS
Vacaville, CA
🏆 O'Fallon leads 16 of 23 categories
O'Fallon
Missouri
16
wins
Cost of Living Index
96.3 ✓ Cheaper
Median Household Income
$104,863
Violent Crime Index
16 ✓ Safer
Population
91,825
Vacaville
California
7
wins
Cost of Living Index
109.2⚠ High
Median Household Income
$106,764 ✓ Higher
Violent Crime Index
77
Population
101,631 ✓ Larger
Pros & Cons
Auto-generated from official data — head-to-head differences and gaps vs the national average.
O'Fallon, MO
Pros
Homes cost $277k less ($283,600 vs $560,400)
80% less violent crime than Vacaville
Rent averages $830/mo less ($1,311 vs $2,141)
Stronger job market — unemployment is 2.3 pts lower (3.1%)
Violent crime is well below the national average (59.0 vs 380/100k)
More college-educated — 42.4% hold a bachelor's or higher
Cons
Nothing stands out — a close match here.
Vacaville, CA
Pros
Milder winters — January highs near 58°F vs 39°F
Cons
Pricier housing — median home is $560,400
Higher rents — median is $2,141/mo
Cost of living runs 13% higher than O'Fallon
Higher unemployment (5.4% vs 3.1%)
Key Differences at a Glance
O'Fallon
Cost of Living
13% cheaper
COL index 96.3 vs 109.2 (100 = US avg)
O'Fallon
Violent Crime
80% lower
59.0 vs 293.2 per 100k
O'Fallon
Median Home Value
$277k less
$283,600 vs $560,400
O'Fallon
Unemployment
2.3 pp lower
3.1% vs 5.4% unemployment
Vacaville
Median Income
$1,901
$106,764 vs $104,863/yr
Vacaville
Summer Heat
7.5°F warmer
July avg high 95.0°F vs 87.5°F
Full Data Comparison
| Metric | O'Fallon, MO | Vacaville, CA |
|---|---|---|
| 💰 Cost of Living | ||
| Cost of Living Index National avg = 100 · lower = cheaper | 96.3 ✓ Cheaper | 109.2⚠ High |
| Median Home Value | $283,600 ✓ Lower | $560,400⚠ High |
| Median Monthly Rent | $1,311 ✓ Lower | $2,141⚠ High |
| 📈 Income & Economy | ||
| Median Household Income | $104,863 | $106,764 ✓ Higher |
| Unemployment Rate | 3.1% ✓ Lower | 5.4%⚠ High |
| Avg Commute Minutes each way | 26.1 min ✓ Shorter | 28.9 min⚠ High |
| Work From Home % | 14.0% ✓ Higher | 9.7% |
| 🔒 Safety | ||
| Crime Index 100 = national avg · lower = safer · 60% violent / 40% property | 18 ✓ Safer | 79 |
| Violent Crime Index 100 = national avg · lower = safer | 16 ✓ Safer | 77 |
| Property Crime Index 100 = national avg · lower = safer | 23 ✓ Safer | 83 |
| 🎓 Education | ||
| School Quality 100 = national avg · grad rate, staffing & attainment | A (118) ✓ Better | C+ (89) |
| Student-Teacher Ratio Lower = smaller classes | 12.7:1 ✓ Smaller | 21.9:1 |
| Bachelor's Degree or Higher | 42.4% ✓ Higher | 26.3% |
| High School or Higher | 95.4% ✓ Higher | 91.4% |
| School District Name only — no quality rating available | FORT ZUMWALT SCHOOL DISTRICT | Vacaville Unified |
| 🌤 Weather | ||
| Avg High — January | 39.3°F | 57.6°F ✓ Warmer |
| Avg High — July | 87.5°F | 95.0°F ✓ Warmer |
| Annual Precipitation | 44.4" | 24.8" ✓ Drier |
| Annual Snowfall | 13.5" | 0.0" ✓ Less |
| 👥 Demographics | ||
| Population | 91,825 | 101,631 ✓ Larger |
| Median Age | 38.0 ✓ Older | 37.3 |
| Homeownership Rate | 80.9% ✓ Higher | 66.2% |
| Under 18 | 24.9% ✓ More | 22.5% |
| Over 65 | 13.2% | 14.6% ✓ More |
Frequently Asked Questions
O'Fallon's cost of living index is 96.3 vs Vacaville's 109.2 (US average = 100).
O'Fallon is 13% less expensive overall.
Based on the 23 decided categories above, O'Fallon leads 16 of 23 categories. O'Fallon wins 16 and Vacaville wins 7. 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 O'Fallon to Vacaville or relocating the other way, focus on the biggest gaps: housing ($283,600 vs $560,400 median home), income ($104,863 vs $106,764), safety, and schools — all covered in the full table above.
O'Fallon, MO and Vacaville, CA are about 1,680 miles apart (straight-line distance). Driving distance will be longer depending on the route.