63303 and 63366 receive effectively the same standardized Area Score. Which fits you better depends on which dimensions you weight — the differences below are where they actually diverge.
Signals
63303
63366
Opportunity
79 · Top 9%
vs82 · Top 6%
Growth
59 · Top 35%
vs69 · Top 17%
Climate
70 · Top 50%
vs70 · Top 50%
Physical resilience
50 · Bottom 43%
vs50 · Bottom 43%
Housing affordability
97 · Top 16%
vs100 · Top 10%
Schools
83 · Top 10%
vs79 · Top 14%
Access
97 · Top 32%
vs90 · Bottom 40%
Economic stability
81 · Top 10%
vs80 · Top 11%
Measured values
| Metric | 63303 | 63366 | Source period |
|---|---|---|---|
| Population | 46,089 | 54,769 | 2024 ACS 5-Year |
| Median household income | $99,138 | $100,621 | 2024 ACS 5-Year |
| Per capita income | $58,928 | $45,718 | 2024 ACS 5-Year |
| Population density | 2,333/sq mi | 790/sq mi | 2024 ACS 5-Year |
| Median home value | $321,100 | $304,500 | 2024 ACS 5-Year |
| Median gross rent | $1,374 | $1,302 | 2024 ACS 5-Year |
| Homeownership rate | 74.1% | 82.1% | 2024 ACS 5-Year |
| Unemployment rate | 3.6% | 2.9% | June 2026 |
| Employment change (year over year) | 0.2% | 0.2% | June 2026 |
| Bachelor's degree or higher | 48.8% | 33.3% | 2024 ACS 5-Year |
| Poverty rate | 5.3% | 7.0% | 2024 ACS 5-Year |
| Housing units permitted (12 months) | 283 | 546 | 12 months ending July 2026 |
| Permits per 1,000 residents | 4.0 | 5.8 | 12 months ending July 2026 |
| Permit change (year over year) | 7.2% | 7.3% | 12 months ending July 2026 |
| Average July high | 90°F | 90°F | 1991-2020 Normals |
| Average January low | 22°F | 22°F | 1991-2020 Normals |
| Annual precipitation | 39.8" | 39.8" | 1991-2020 Normals |
| Distance to major airport | 9 mi | 21 mi | NASR current cycle |
| Average commute | 23.5 min | 26.8 min | 2024 ACS 5-Year |
| Median age | 41.4 | 40.4 | 2024 ACS 5-Year |
| Public schools | 7 | 11 | 2024-25 school year |
| Students per teacher | 14.40 | 13.75 | 2024-25 school year |
| Math proficiency | 53.5% | 51.4% | 2019-20 school year |
| Reading proficiency | 62.1% | 59.2% | 2019-20 school year |
| Free or reduced-price lunch eligibility | 21.7% | 20.6% | 2024-25 school year |
A bolded value is the more favorable of the two where the metric has a clear direction. Metrics like population and density have no inherent better or worse and are shown unweighted.
Physical risk tradeoff
63303
Elevated or high exposure: hail, earthquake, inland flooding.
63366
Elevated or high exposure: hail, earthquake, inland flooding.
Full profiles: 63303 — St. Charles, MO · 63366 — O'Fallon, MO · How this is calculated: methodology