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