Signals
21029
21048
Climate
73 · Top 37%
vs71 · Top 44%
Physical resilience
95 · Top 3%
vs88 · Top 13%
Housing affordability
92 · Top 29%
vs95 · Top 22%
Access
93 · Top 48%
vs88 · Bottom 34%
Economic stability
91 · Top 1%
vs87 · Top 3%
Measured values
| Metric | 21029 | 21048 | Source period |
|---|---|---|---|
| Population | 13,607 | 10,481 | 2024 ACS 5-Year |
| Median household income | $243,542 | $131,921 | 2024 ACS 5-Year |
| Per capita income | $89,689 | $58,207 | 2024 ACS 5-Year |
| Population density | 804/sq mi | 385/sq mi | 2024 ACS 5-Year |
| Median home value | $912,100 | $459,000 | 2024 ACS 5-Year |
| Median gross rent | $3,501 | $1,500 | 2024 ACS 5-Year |
| Homeownership rate | 93.6% | 97.8% | 2024 ACS 5-Year |
| Bachelor's degree or higher | 81.4% | 47.3% | 2024 ACS 5-Year |
| Poverty rate | 1.1% | 1.9% | 2024 ACS 5-Year |
| Average July high | 89°F | 90°F | 1991-2020 Normals |
| Average January low | 25°F | 30°F | 1991-2020 Normals |
| Annual precipitation | 45.0" | 43.7" | 1991-2020 Normals |
| Distance to major airport | 16 mi | 26 mi | NASR current cycle |
| Average commute | 35.1 min | 40.4 min | 2024 ACS 5-Year |
| Median age | 43.1 | 41.7 | 2024 ACS 5-Year |
| Public schools | 4 | 1 | 2024-25 school year |
| Students per teacher | 16.00 | 16.41 | 2024-25 school year |
| Free or reduced-price lunch eligibility | 9.2% | 28.0% | 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
21029
No hazard reaches elevated exposure.
21048
Elevated or high exposure: drought, cold wave.
Full profiles: 21029 — Columbia, MD · 21048 — Eldersburg, MD · How this is calculated: methodology