Mount Prospect, IL vs O'Fallon, MO
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.
Mount Prospect
77.7
#223 nationally
O'Fallon
75.6
#441 nationally
Mount Prospect leads in walk score (87 vs 22). O'Fallon leads in crime level (1.6 vs 2.5). O'Fallon leads in cost of living index (105 vs 119).
Metric-by-Metric Breakdown
| Metric | Mount Prospect, IL | O'Fallon, MO |
|---|---|---|
| WhereAtHome Score | 77.7 (#223) | 75.6 (#441) |
| Population | 54,298 | 94,074 |
| Typical Home Value (ZHVI) | $455,313 | $381,302 |
| Median Household Income | $100,526 | $104,863 |
| Average Commute | 28.3 min | 26.1 min |
| Walk Score | 87 | 22 |
| Crime Level | 2.5 | 1.6 |
| School Rating | N/A | N/A |
| Cost of Living Index | 119 | 105 |
| Political lean County 2024 presidential margin — context only, not scored | D+42.0 | R+17.0 |
C+
77.7 Score
Mount Prospect, IL
Illinois community balancing growth and livability
Median Home
$455,313
Population
54,298
Crime
Low
Walk Score
87
Midwest
View Mount Prospect, IL →
C
75.6 Score
O'Fallon, MO
Missouri community balancing growth and livability
Median Home
$381,302
Population
94,074
Crime
Low
Walk Score
22
Midwest
View O'Fallon, MO →
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