Signals
Selden
Islip
Opportunity
67 · Top 28%
vs69 · Top 24%
Climate
70 · Bottom 48%
vs70 · Bottom 48%
Physical resilience
95 · Top 4%
vs95 · Top 4%
Housing affordability
69 · Bottom 32%
vs74 · Bottom 39%
Schools
43 · Bottom 39%
vs46 · Bottom 43%
Access
79 · Bottom 21%
vs85 · Bottom 30%
Economic stability
68 · Top 33%
vs69 · Top 32%
Measured values
| Metric | Selden | Islip | Source period |
|---|---|---|---|
| Population | 21,604 | 17,362 | 2024 ACS 5-Year |
| Median household income | $108,952 | $120,909 | 2024 ACS 5-Year |
| Per capita income | $43,023 | $49,053 | 2024 ACS 5-Year |
| Population density | 4,749/sq mi | 3,656/sq mi | 2024 ACS 5-Year |
| Median home value | $462,000 | $542,200 | 2024 ACS 5-Year |
| Median gross rent | $2,311 | $2,235 | 2024 ACS 5-Year |
| Homeownership rate | 84.6% | 84.9% | 2024 ACS 5-Year |
| Unemployment rate | 3.6% | 3.6% | June 2026 |
| Employment change (year over year) | -0.5% | -0.5% | June 2026 |
| Bachelor's degree or higher | 27.8% | 34.3% | 2024 ACS 5-Year |
| Poverty rate | 6.7% | 5.7% | 2024 ACS 5-Year |
| Average July high | 83°F | 83°F | 1991-2020 Normals |
| Average January low | 25°F | 25°F | 1991-2020 Normals |
| Annual precipitation | 46.0" | 46.0" | 1991-2020 Normals |
| Distance to major airport | 42 mi | 30 mi | NASR current cycle |
| Average commute | 31.9 min | 29.7 min | 2024 ACS 5-Year |
| Median age | 39.1 | 43.9 | 2024 ACS 5-Year |
| Public schools | 5 | 5 | 2024-25 school year |
| Students per teacher | 16.40 | 10.36 | 2024-25 school year |
| Math proficiency | 45.4% | 31.6% | 2019-20 school year |
| Reading proficiency | 55.4% | 56.3% | 2019-20 school year |
| Free or reduced-price lunch eligibility | 49.7% | 42.0% | 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
Selden
Elevated or high exposure: coastal flooding, hurricane.
Islip
Elevated or high exposure: coastal flooding, hurricane.
Full profiles: Selden, NY · Islip, NY · How this is calculated: methodology