91731 and 90270 receive effectively the same standardized Area Score. Which fits you better depends on which dimensions you weight — the differences below are where they actually diverge.
Signals
91731
90270
Opportunity
26 · Bottom 5%
vs24 · Bottom 4%
Growth
40 · Bottom 34%
vs30 · Bottom 17%
Climate
100 · Top 4%
vs100 · Top 4%
Physical resilience
10 · Bottom 4%
vs10 · Bottom 4%
Housing affordability
23 · Bottom 1%
vs28 · Bottom 2%
Access
94 · Top 46%
vs98 · Top 17%
Economic stability
46 · Bottom 28%
vs52 · Bottom 36%
Measured values
| Metric | 91731 | 90270 | Source period |
|---|---|---|---|
| Population | 27,620 | 24,218 | 2024 ACS 5-Year |
| Median household income | $62,215 | $61,165 | 2024 ACS 5-Year |
| Per capita income | $24,216 | $20,791 | 2024 ACS 5-Year |
| Population density | 7,278/sq mi | 20,368/sq mi | 2024 ACS 5-Year |
| Median home value | $635,600 | $634,400 | 2024 ACS 5-Year |
| Median gross rent | $1,669 | $1,523 | 2024 ACS 5-Year |
| Homeownership rate | 39.6% | 30.6% | 2024 ACS 5-Year |
| Unemployment rate | 5.2% | 5.0% | June 2026 |
| Employment change (year over year) | -1.6% | -1.6% | June 2026 |
| Bachelor's degree or higher | 15.2% | 7.9% | 2024 ACS 5-Year |
| Poverty rate | 17.8% | 19.1% | 2024 ACS 5-Year |
| Housing units permitted (12 months) | 171 | 12 | 12 months ending July 2026 |
| Permits per 1,000 residents | 1.6 | 0.5 | 12 months ending July 2026 |
| Permit change (year over year) | 56.9% | 300.0% | 12 months ending July 2026 |
| Average July high | 82°F | 82°F | 1991-2020 Normals |
| Average January low | 49°F | 49°F | 1991-2020 Normals |
| Annual precipitation | 14.3" | 14.3" | 1991-2020 Normals |
| Distance to major airport | 19 mi | 12 mi | NASR current cycle |
| Average commute | 32.1 min | 33.7 min | 2024 ACS 5-Year |
| Median age | 36.6 | 33.4 | 2024 ACS 5-Year |
| Public schools | 7 | 6 | 2024-25 school year |
| Students per teacher | 19.99 | 19.13 | 2024-25 school year |
| Free or reduced-price lunch eligibility | 90.2% | 93.6% | 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.
Physical risk tradeoff
91731
Elevated or high exposure: inland flooding, earthquake.
90270
Elevated or high exposure: inland flooding, earthquake.
Full profiles: 91731 — El Monte, CA · 90270 — Maywood, CA · How this is calculated: methodology