Fairfield, CA vs O'Fallon, IL
Side-by-side comparison of housing, income, commute, safety, and quality of life.
Score Snapshot
No universal winner
Scores summarize the published model. Use the objective metric differences below and your own priorities to choose.
Fairfield
62.9
#1812 nationally
O'Fallon leads in crime level (5.3 vs 13.6). Fairfield leads in walk score (37 vs 25). O'Fallon leads in cost of living index (106 vs 151).
Metric-by-Metric Breakdown
| Metric | Fairfield, CA | O'Fallon, IL |
|---|---|---|
| Population | 120,768 | 31,968 |
| Typical Home Value (ZHVI) | $605,863 | $0 |
| Median Household Income | $98,857 | $102,560 |
| Average Commute | 32.3 min | 26 min |
| Walk Score | 37 | 25 |
| Crime Level | 13.6 | 5.3 |
| School Rating | N/A | N/A |
| Cost of Living Index | 151 | 106 |
| Political lean County 2024 presidential margin — context only, not scored | D+23.0 | D+7.9 |
D-
62.9 Score
Fairfield, CA
Mid-size California city with community character
Median Home
$605,863
Population
120,768
Crime
Moderate-High
Walk Score
37
Pacific
View Fairfield, CA →
—
Score
O'Fallon, IL
Small Illinois city with local appeal
Population
31,968
Crime
Moderate-Low
Walk Score
25
Median Income
$102,560
Midwest
View O'Fallon, IL →
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