91103 and 92831 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
91103
92831
Opportunity
48 · Bottom 35%
vs52 · Bottom 43%
Growth
55 · Top 41%
vs50 · Bottom 49%
Climate
100 · Top 4%
vs100 · Top 4%
Physical resilience
10 · Bottom 4%
vs11 · Bottom 7%
Housing affordability
35 · Bottom 4%
vs30 · Bottom 2%
Access
94 · Top 45%
vs96 · Top 34%
Economic stability
44 · Bottom 24%
vs56 · Bottom 43%
Measured values
| Metric | 91103 | 92831 | Source period |
|---|---|---|---|
| Population | 25,142 | 35,618 | 2024 ACS 5-Year |
| Median household income | $93,660 | $89,278 | 2024 ACS 5-Year |
| Per capita income | $52,783 | $48,337 | 2024 ACS 5-Year |
| Population density | 5,479/sq mi | 5,987/sq mi | 2024 ACS 5-Year |
| Median home value | $983,300 | $876,800 | 2024 ACS 5-Year |
| Median gross rent | $2,085 | $2,146 | 2024 ACS 5-Year |
| Homeownership rate | 47.0% | 41.0% | 2024 ACS 5-Year |
| Unemployment rate | 4.8% | 4.4% | June 2026 |
| Employment change (year over year) | -1.6% | -1.8% | June 2026 |
| Bachelor's degree or higher | 39.3% | 44.7% | 2024 ACS 5-Year |
| Poverty rate | 17.5% | 15.7% | 2024 ACS 5-Year |
| Housing units permitted (12 months) | 404 | 267 | 12 months ending July 2026 |
| Permits per 1,000 residents | 2.9 | 1.9 | 12 months ending July 2026 |
| Permit change (year over year) | 176.7% | 81.6% | 12 months ending July 2026 |
| Average July high | 82°F | 84°F | 1991-2020 Normals |
| Average January low | 49°F | 46°F | 1991-2020 Normals |
| Annual precipitation | 14.3" | 11.9" | 1991-2020 Normals |
| Distance to major airport | 19 mi | 15 mi | NASR current cycle |
| Average commute | 30.4 min | 31.3 min | 2024 ACS 5-Year |
| Median age | 39.9 | 32.4 | 2024 ACS 5-Year |
| Public schools | 5 | 8 | 2024-25 school year |
| Students per teacher | 20.64 | 22.10 | 2024-25 school year |
| Free or reduced-price lunch eligibility | 71.6% | 52.6% | 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
91103
Elevated or high exposure: inland flooding, earthquake.
92831
Elevated or high exposure: earthquake, inland flooding.
Full profiles: 91103 — Pasadena, CA · 92831 — Fullerton, CA · How this is calculated: methodology