Signals
63109
63123
Opportunity
63 · Top 33%
vs68 · Top 24%
Climate
72 · Top 41%
vs72 · Top 41%
Physical resilience
58 · Bottom 49%
vs66 · Top 41%
Housing affordability
91 · Top 30%
vs100 · Top 9%
Schools
25 · Bottom 16%
vs34 · Bottom 27%
Access
97 · Top 25%
vs96 · Top 36%
Economic stability
69 · Top 32%
vs73 · Top 25%
Measured values
| Metric | 63109 | 63123 | Source period |
|---|---|---|---|
| Population | 25,236 | 49,077 | 2024 ACS 5-Year |
| Median household income | $69,938 | $77,055 | 2024 ACS 5-Year |
| Per capita income | $50,768 | $44,373 | 2024 ACS 5-Year |
| Population density | 7,137/sq mi | 3,941/sq mi | 2024 ACS 5-Year |
| Median home value | $264,700 | $219,400 | 2024 ACS 5-Year |
| Median gross rent | $971 | $1,006 | 2024 ACS 5-Year |
| Homeownership rate | 60.9% | 74.9% | 2024 ACS 5-Year |
| Unemployment rate | 4.1% | 3.9% | June 2026 |
| Employment change (year over year) | 0.2% | 0.2% | June 2026 |
| Bachelor's degree or higher | 52.5% | 37.6% | 2024 ACS 5-Year |
| Poverty rate | 9.9% | 7.9% | 2024 ACS 5-Year |
| Average July high | 89°F | 89°F | 1991-2020 Normals |
| Average January low | 24°F | 24°F | 1991-2020 Normals |
| Annual precipitation | 40.8" | 40.8" | 1991-2020 Normals |
| Distance to major airport | 12 mi | 14 mi | NASR current cycle |
| Average commute | 25.1 min | 25.5 min | 2024 ACS 5-Year |
| Median age | 41.0 | 40.9 | 2024 ACS 5-Year |
| Public schools | 3 | 8 | 2024-25 school year |
| Students per teacher | 10.45 | 14.99 | 2024-25 school year |
| Math proficiency | 9.7% | 25.4% | 2019-20 school year |
| Reading proficiency | 19.1% | 41.4% | 2019-20 school year |
| Free or reduced-price lunch eligibility | 100.0% | 44.0% | 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
63109
Elevated or high exposure: inland flooding.
63123
Elevated or high exposure: hail.
Full profiles: 63109 — St. Louis, MO · 63123 — Affton, MO · How this is calculated: methodology