© OpenMapTiles © OpenStreetMap
Illinois
O'Fallon
Population 32,262
© OpenMapTiles © OpenStreetMap
Illinois
Swansea
Population 14,710
O'Fallon, IL vs Swansea, IL
Side-by-side comparison from the latest government data.
| Metric | O'Fallon, IL | Swansea, IL |
|---|---|---|
| Population | 32,262 | 14,710 |
| Median Household Income | $105,982 | $91,587 |
| Median Rent | $1,332/mo | $1,137/mo |
| Median Home Value | $295,700 | $223,600 |
| Cost of Living (US = 100) | 95 | 95 |
| Renters Paying 30%+ of Income | 45.5% | 35.3% |
| Poverty Rate | 6.2% | 8.7% |
| Unemployment Rate | 3.8% | 4.5% (county) |
| Violent Crime Rate /100k | 140 | 69 |
| Property Crime Rate /100k | 922 | 684 |
| Median AQI | — | — |
| Good AQI Days /yr | — | — |
| Summer Highs | 89°F | 89°F |
| Winter Lows | 27°F | 27°F |
| Snowfall | 11 in/yr | 11 in/yr |
| Avg Commute | 25.3 min | 24.1 min |
| Hospitals | 1 | — |
| Avg Hospital Rating | 4.0 / 5 | — |
| Students per Teacher | 16.8 | 12.9 |
| College Degree Rate | 52.4% | 42.5% |
| Foreign-Born % | 3.8% | 4.2% |
| Population Growth (2020–2025) | +0.7% | -0.1% |
Green = clearly better (more than 5% apart). Population, growth, weather, hospital count and foreign-born share aren’t scored.