Signals
21015
21771
Climate
71 · Top 48%
vs73 · Top 37%
Physical resilience
94 · Top 6%
vs89 · Top 10%
Housing affordability
97 · Top 16%
vs94 · Top 23%
Schools
72 · Top 24%
vs70 · Top 26%
Access
85 · Bottom 28%
vs84 · Bottom 27%
Economic stability
83 · Top 7%
vs87 · Top 3%
Measured values
| Metric | 21015 | 21771 | Source period |
|---|---|---|---|
| Population | 30,013 | 33,031 | 2024 ACS 5-Year |
| Median household income | $137,281 | $157,302 | 2024 ACS 5-Year |
| Per capita income | $58,462 | $60,220 | 2024 ACS 5-Year |
| Population density | 960/sq mi | 369/sq mi | 2024 ACS 5-Year |
| Median home value | $443,400 | $556,200 | 2024 ACS 5-Year |
| Median gross rent | $1,752 | $2,252 | 2024 ACS 5-Year |
| Homeownership rate | 89.1% | 94.0% | 2024 ACS 5-Year |
| Bachelor's degree or higher | 53.4% | 48.8% | 2024 ACS 5-Year |
| Poverty rate | 5.0% | 3.1% | 2024 ACS 5-Year |
| Average July high | 86°F | 89°F | 1991-2020 Normals |
| Average January low | 25°F | 25°F | 1991-2020 Normals |
| Annual precipitation | 47.1" | 45.0" | 1991-2020 Normals |
| Distance to major airport | 32 mi | 30 mi | NASR current cycle |
| Average commute | 33.6 min | 39.8 min | 2024 ACS 5-Year |
| Median age | 40.4 | 40.9 | 2024 ACS 5-Year |
| Public schools | 7 | 4 | 2024-25 school year |
| Students per teacher | 14.43 | 16.79 | 2024-25 school year |
| Math proficiency | 17.6% | 28.7% | 2019-20 school year |
| Reading proficiency | 37.4% | 30.6% | 2019-20 school year |
| Free or reduced-price lunch eligibility | 25.2% | 21.0% | 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.
Full profiles: 21015 — Bel Air South, MD · 21771 — Green Valley, MD · How this is calculated: methodology