Signals
20851
20879
Opportunity
58 · Top 42%
vs59 · Top 41%
Climate
72 · Top 42%
vs74 · Top 33%
Physical resilience
85 · Top 17%
vs85 · Top 17%
Housing affordability
80 · Bottom 49%
vs80 · Top 50%
Schools
52 · Top 50%
vs48 · Bottom 45%
Access
90 · Bottom 41%
vs89 · Bottom 37%
Economic stability
78 · Top 15%
vs80 · Top 11%
Measured values
| Metric | 20851 | 20879 | Source period |
|---|---|---|---|
| Population | 14,946 | 25,264 | 2024 ACS 5-Year |
| Median household income | $126,411 | $112,104 | 2024 ACS 5-Year |
| Per capita income | $51,567 | $48,025 | 2024 ACS 5-Year |
| Population density | 5,894/sq mi | 2,932/sq mi | 2024 ACS 5-Year |
| Median home value | $568,900 | $468,100 | 2024 ACS 5-Year |
| Median gross rent | $2,043 | $1,942 | 2024 ACS 5-Year |
| Homeownership rate | 57.5% | 69.8% | 2024 ACS 5-Year |
| Unemployment rate | 3.8% | 3.7% | June 2026 |
| Employment change (year over year) | -1.9% | -1.9% | June 2026 |
| Bachelor's degree or higher | 46.2% | 44.8% | 2024 ACS 5-Year |
| Poverty rate | 9.1% | 7.5% | 2024 ACS 5-Year |
| Average July high | 90°F | 88°F | 1991-2020 Normals |
| Average January low | 30°F | 25°F | 1991-2020 Normals |
| Annual precipitation | 41.8" | 43.2" | 1991-2020 Normals |
| Distance to major airport | 20 mi | 22 mi | NASR current cycle |
| Average commute | 35.1 min | 34.2 min | 2024 ACS 5-Year |
| Median age | 38.6 | 36.4 | 2024 ACS 5-Year |
| Public schools | 3 | 5 | 2024-25 school year |
| Students per teacher | 13.32 | 12.74 | 2024-25 school year |
| Math proficiency | 16.0% | 12.3% | 2019-20 school year |
| Reading proficiency | 15.9% | 16.3% | 2019-20 school year |
| Free or reduced-price lunch eligibility | 51.6% | 54.6% | 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: 20851 — Rockville, MD · 20879 — Flower Hill, MD · How this is calculated: methodology