Diamond Bar, 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.
Diamond Bar
63.1
#1794 nationally
Diamond Bar leads in crime level (2.1 vs 5.3). O'Fallon leads in cost of living index (106 vs 182). O'Fallon leads in average commute (26 min vs 34.9 min).
Metric-by-Metric Breakdown
| Metric | Diamond Bar, CA | O'Fallon, IL |
|---|---|---|
| Population | 52,041 | 31,968 |
| Typical Home Value (ZHVI) | $1,027,046 | $0 |
| Median Household Income | $106,881 | $102,560 |
| Average Commute | 34.9 min | 26 min |
| Walk Score | 30 | 25 |
| Crime Level | 2.1 | 5.3 |
| School Rating | N/A | N/A |
| Cost of Living Index | 182 | 106 |
| Political lean County 2024 presidential margin — context only, not scored | D+32.9 | D+7.9 |
D
63.1 Score
Diamond Bar, CA
California community balancing growth and livability
Median Home
$1,027,046
Population
52,041
Crime
Low
Walk Score
30
Pacific
View Diamond Bar, 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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