Signals
Castro Valley
San Mateo
Climate
89 · Top 8%
vs89 · Top 8%
Physical resilience
37 · Bottom 29%
vs37 · Bottom 30%
Housing affordability
54 · Bottom 14%
vs41 · Bottom 5%
Access
99 · Top 8%
vs99 · Top 8%
Economic stability
68 · Top 33%
vs68 · Top 33%
Measured values
| Metric | Castro Valley | San Mateo | Source period |
|---|---|---|---|
| Population | 65,001 | 103,105 | 2024 ACS 5-Year |
| Median household income | $142,779 | $153,504 | 2024 ACS 5-Year |
| Per capita income | $60,688 | $84,247 | 2024 ACS 5-Year |
| Population density | 3,858/sq mi | 8,497/sq mi | 2024 ACS 5-Year |
| Median home value | $1,104,600 | $1,618,700 | 2024 ACS 5-Year |
| Median gross rent | $2,554 | $3,077 | 2024 ACS 5-Year |
| Homeownership rate | 72.5% | 49.9% | 2024 ACS 5-Year |
| Bachelor's degree or higher | 44.5% | 57.8% | 2024 ACS 5-Year |
| Poverty rate | 6.7% | 8.2% | 2024 ACS 5-Year |
| Average July high | 75°F | 73°F | 1991-2020 Normals |
| Average January low | 43°F | 45°F | 1991-2020 Normals |
| Annual precipitation | 16.0" | 19.6" | 1991-2020 Normals |
| Distance to major airport | 9 mi | 5 mi | NASR current cycle |
| Average commute | 34.9 min | 28.6 min | 2024 ACS 5-Year |
| Median age | 42.9 | 38.3 | 2024 ACS 5-Year |
| Public schools | 15 | 19 | 2024-25 school year |
| Students per teacher | 23.35 | 20.71 | 2024-25 school year |
| Free or reduced-price lunch eligibility | 38.7% | 37.9% | 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
Castro Valley
Elevated or high exposure: earthquake, inland flooding.
San Mateo
Elevated or high exposure: earthquake, inland flooding.
Your best match
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Castro Valley
69
Your Score
—
Area Score
San Mateo
62
Your Score
57
Area Score
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Full profiles: Castro Valley, CA · San Mateo, CA · How this is calculated: methodology