Signals
Simi Valley
Altadena
Climate
96 · Top 4%
vs100 · Top 4%
Physical resilience
13 · Bottom 9%
vs11 · Bottom 4%
Housing affordability
51 · Bottom 11%
vs48 · Bottom 9%
Access
96 · Top 31%
vs93 · Top 45%
Economic stability
75 · Top 18%
vs65 · Top 39%
Measured values
| Metric | Simi Valley | Altadena | Source period |
|---|---|---|---|
| Population | 125,634 | 41,705 | 2024 ACS 5-Year |
| Median household income | $122,081 | $128,720 | 2024 ACS 5-Year |
| Per capita income | $55,252 | $66,553 | 2024 ACS 5-Year |
| Population density | 3,024/sq mi | 4,927/sq mi | 2024 ACS 5-Year |
| Median home value | $823,800 | $1,120,000 | 2024 ACS 5-Year |
| Median gross rent | $2,579 | $2,355 | 2024 ACS 5-Year |
| Homeownership rate | 72.9% | 76.9% | 2024 ACS 5-Year |
| Bachelor's degree or higher | 39.1% | 53.3% | 2024 ACS 5-Year |
| Poverty rate | 6.4% | 7.9% | 2024 ACS 5-Year |
| Average July high | 91°F | 82°F | 1991-2020 Normals |
| Average January low | 46°F | 49°F | 1991-2020 Normals |
| Annual precipitation | 13.4" | 14.3" | 1991-2020 Normals |
| Distance to major airport | 15 mi | 20 mi | NASR current cycle |
| Average commute | 29.4 min | 29.8 min | 2024 ACS 5-Year |
| Median age | 41.9 | 46.4 | 2024 ACS 5-Year |
| Public schools | 27 | 5 | 2024-25 school year |
| Students per teacher | 22.06 | 22.25 | 2024-25 school year |
| Free or reduced-price lunch eligibility | 45.5% | 47.1% | 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
Simi Valley
Elevated or high exposure: wildfire, earthquake, inland flooding.
Altadena
Elevated or high exposure: inland flooding, earthquake.
Your best match
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Simi Valley
58
Your Score
51
Area Score
Altadena
63
Your Score
—
Area Score
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Full profiles: Simi Valley, CA · Altadena, CA · How this is calculated: methodology