© OpenMapTiles © OpenStreetMap
Illinois
Waterloo
Population 11,129
© OpenMapTiles © OpenStreetMap
Missouri
Arnold
Population 20,956
Waterloo, IL vs Arnold, MO
Side-by-side comparison from the latest government data.
| Metric | Waterloo, IL | Arnold, MO |
|---|---|---|
| Population | 11,129 | 20,956 |
| Median Household Income | $98,711 | $78,370 |
| Median Rent | $886/mo | $1,112/mo |
| Median Home Value | $249,500 | $220,000 |
| Cost of Living (US = 100) | 95 | 95 |
| Renters Paying 30%+ of Income | 48% | 32.4% |
| Poverty Rate | 5.9% | 8.2% |
| Unemployment Rate | 3% (county) | 3.7% (county) |
| Violent Crime Rate /100k | 133 | 76 |
| Property Crime Rate /100k | 580 | 831 |
| Median AQI | — | 42 |
| Good AQI Days /yr | — | 268 |
| Summer Highs | 87°F | 87°F |
| Winter Lows | 25°F | 25°F |
| Snowfall | 9 in/yr | 10 in/yr |
| Avg Commute | 26.8 min | 27.2 min |
| Hospitals | — | — |
| Avg Hospital Rating | — | — |
| Students per Teacher | 16.3 | 13.9 |
| College Degree Rate | 37.3% | 25.4% |
| Foreign-Born % | 2.7% | 5.3% |
| Population Growth (2020–2025) | +1.2% | +0.5% |
Green = clearly better (more than 5% apart). Population, growth, weather, hospital count and foreign-born share aren’t scored.