Signals
Adelphi
Rockville
Opportunity
37 · Bottom 13%
vs58 · Top 45%
Climate
72 · Top 42%
vs72 · Top 42%
Physical resilience
76 · Top 29%
vs85 · Top 17%
Housing affordability
57 · Bottom 17%
vs68 · Bottom 32%
Schools
14 · Bottom 5%
vs85 · Top 8%
Access
90 · Bottom 44%
vs91 · Bottom 48%
Economic stability
60 · Bottom 48%
vs71 · Top 27%
Measured values
| Metric | Adelphi | Rockville | Source period |
|---|---|---|---|
| Population | 17,395 | 67,671 | 2024 ACS 5-Year |
| Median household income | $82,137 | $128,649 | 2024 ACS 5-Year |
| Per capita income | $35,969 | $64,900 | 2024 ACS 5-Year |
| Population density | 6,395/sq mi | 4,988/sq mi | 2024 ACS 5-Year |
| Median home value | $425,200 | $682,300 | 2024 ACS 5-Year |
| Median gross rent | $1,804 | $2,274 | 2024 ACS 5-Year |
| Homeownership rate | 41.8% | 52.6% | 2024 ACS 5-Year |
| Unemployment rate | 4.7% | 3.8% | June 2026 |
| Employment change (year over year) | -3.0% | -1.9% | June 2026 |
| Bachelor's degree or higher | 30.0% | 65.6% | 2024 ACS 5-Year |
| Poverty rate | 16.2% | 7.6% | 2024 ACS 5-Year |
| Average July high | 90°F | 90°F | 1991-2020 Normals |
| Average January low | 30°F | 30°F | 1991-2020 Normals |
| Annual precipitation | 41.8" | 41.8" | 1991-2020 Normals |
| Distance to major airport | 20 mi | 19 mi | NASR current cycle |
| Average commute | 40.3 min | 33.1 min | 2024 ACS 5-Year |
| Median age | 33.9 | 39.6 | 2024 ACS 5-Year |
| Public schools | 9 | 14 | 2024-25 school year |
| Students per teacher | 14.01 | 14.48 | 2024-25 school year |
| Math proficiency | 2.5% | 28.2% | 2019-20 school year |
| Reading proficiency | 7.4% | 43.0% | 2019-20 school year |
| Free or reduced-price lunch eligibility | 92.7% | 33.0% | 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: Adelphi, MD · Rockville, MD · How this is calculated: methodology