Signals
Union City
Castro Valley
Climate
89 · Top 8%
vs89 · Top 8%
Physical resilience
37 · Bottom 29%
vs37 · Bottom 29%
Housing affordability
45 · Bottom 7%
vs54 · Bottom 14%
Access
97 · Top 23%
vs99 · Top 8%
Economic stability
70 · Top 30%
vs68 · Top 33%
Measured values
| Metric | Union City | Castro Valley | Source period |
|---|---|---|---|
| Population | 67,464 | 65,001 | 2024 ACS 5-Year |
| Median household income | $133,715 | $142,779 | 2024 ACS 5-Year |
| Per capita income | $57,977 | $60,688 | 2024 ACS 5-Year |
| Population density | 3,478/sq mi | 3,858/sq mi | 2024 ACS 5-Year |
| Median home value | $1,104,900 | $1,104,600 | 2024 ACS 5-Year |
| Median gross rent | $2,713 | $2,554 | 2024 ACS 5-Year |
| Homeownership rate | 64.7% | 72.5% | 2024 ACS 5-Year |
| Bachelor's degree or higher | 45.1% | 44.5% | 2024 ACS 5-Year |
| Poverty rate | 7.2% | 6.7% | 2024 ACS 5-Year |
| Average July high | 75°F | 75°F | 1991-2020 Normals |
| Average January low | 43°F | 43°F | 1991-2020 Normals |
| Annual precipitation | 16.0" | 16.0" | 1991-2020 Normals |
| Distance to major airport | 14 mi | 9 mi | NASR current cycle |
| Average commute | 34.6 min | 34.9 min | 2024 ACS 5-Year |
| Median age | 43.0 | 42.9 | 2024 ACS 5-Year |
| Public schools | 10 | 15 | 2024-25 school year |
| Students per teacher | 24.48 | 23.35 | 2024-25 school year |
| Free or reduced-price lunch eligibility | 54.5% | 38.7% | 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
Union City
Elevated or high exposure: earthquake, inland flooding.
Castro Valley
Elevated or high exposure: earthquake, inland flooding.
Your best match
Weight what matters to you. Your preferences stay in this browser and never change either Area Score.
Union City
62
Your Score
56
Area Score
Castro Valley
69
Your Score
—
Area Score
Select your priorities to see which of the two fits them better.
Full profiles: Union City, CA · Castro Valley, CA · How this is calculated: methodology