Signals
21236
21045
Climate
71 · Top 44%
vs73 · Top 37%
Physical resilience
94 · Top 6%
vs95 · Top 3%
Housing affordability
89 · Top 35%
vs91 · Top 31%
Schools
62 · Top 36%
vs66 · Top 32%
Access
93 · Top 48%
vs98 · Top 21%
Economic stability
68 · Top 34%
vs77 · Top 18%
Measured values
| Metric | 21236 | 21045 | Source period |
|---|---|---|---|
| Population | 39,514 | 40,034 | 2024 ACS 5-Year |
| Median household income | $95,149 | $118,563 | 2024 ACS 5-Year |
| Per capita income | $46,874 | $56,185 | 2024 ACS 5-Year |
| Population density | 4,430/sq mi | 4,128/sq mi | 2024 ACS 5-Year |
| Median home value | $327,200 | $453,700 | 2024 ACS 5-Year |
| Median gross rent | $1,650 | $1,777 | 2024 ACS 5-Year |
| Homeownership rate | 69.6% | 68.3% | 2024 ACS 5-Year |
| Bachelor's degree or higher | 40.0% | 56.6% | 2024 ACS 5-Year |
| Poverty rate | 11.0% | 8.6% | 2024 ACS 5-Year |
| Average July high | 90°F | 89°F | 1991-2020 Normals |
| Average January low | 30°F | 25°F | 1991-2020 Normals |
| Annual precipitation | 43.7" | 45.0" | 1991-2020 Normals |
| Distance to major airport | 18 mi | 9 mi | NASR current cycle |
| Average commute | 30.8 min | 29.3 min | 2024 ACS 5-Year |
| Median age | 38.4 | 39.6 | 2024 ACS 5-Year |
| Public schools | 5 | 11 | 2024-25 school year |
| Students per teacher | 16.71 | 12.26 | 2024-25 school year |
| Math proficiency | 16.2% | 16.5% | 2019-20 school year |
| Reading proficiency | 34.0% | 24.7% | 2019-20 school year |
| Free or reduced-price lunch eligibility | 43.6% | 43.5% | 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: 21236 — Perry Hall, MD · 21045 — Columbia, MD · How this is calculated: methodology