Signals
08820
08807
Opportunity
81 · Top 7%
vs79 · Top 8%
Climate
71 · Top 48%
vs63 · Bottom 31%
Physical resilience
45 · Bottom 35%
vs55 · Bottom 47%
Housing affordability
92 · Top 27%
vs94 · Top 22%
Schools
91 · Top 2%
vs86 · Top 6%
Access
97 · Top 25%
vs90 · Bottom 39%
Economic stability
83 · Top 7%
vs83 · Top 7%
Measured values
| Metric | 08820 | 08807 | Source period |
|---|---|---|---|
| Population | 39,978 | 39,560 | 2024 ACS 5-Year |
| Median household income | $171,363 | $168,696 | 2024 ACS 5-Year |
| Per capita income | $66,131 | $69,090 | 2024 ACS 5-Year |
| Population density | 3,833/sq mi | 1,553/sq mi | 2024 ACS 5-Year |
| Median home value | $630,200 | $591,200 | 2024 ACS 5-Year |
| Median gross rent | $2,081 | $2,176 | 2024 ACS 5-Year |
| Homeownership rate | 75.7% | 83.2% | 2024 ACS 5-Year |
| Unemployment rate | 4.0% | 3.9% | June 2026 |
| Employment change (year over year) | 0.6% | 0.6% | June 2026 |
| Bachelor's degree or higher | 71.7% | 60.8% | 2024 ACS 5-Year |
| Poverty rate | 3.0% | 4.0% | 2024 ACS 5-Year |
| Average July high | 87°F | 86°F | 1991-2020 Normals |
| Average January low | 26°F | 21°F | 1991-2020 Normals |
| Annual precipitation | 46.6" | 45.5" | 1991-2020 Normals |
| Distance to major airport | 13 mi | 25 mi | NASR current cycle |
| Average commute | 45.2 min | 33.6 min | 2024 ACS 5-Year |
| Median age | 42.9 | 42.2 | 2024 ACS 5-Year |
| Public schools | 9 | 13 | 2024-25 school year |
| Students per teacher | 14.14 | 10.61 | 2024-25 school year |
| Math proficiency | 60.7% | 40.1% | 2019-20 school year |
| Reading proficiency | 72.4% | 59.5% | 2019-20 school year |
| Free or reduced-price lunch eligibility | 16.1% | 16.1% | 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
08820
Elevated or high exposure: strong wind, earthquake.
08807
Elevated or high exposure: inland flooding, earthquake.
Full profiles: 08820 — South Plainfield, NJ · 08807 — Martinsville, NJ · How this is calculated: methodology