City comparison
Alameda, CA is about 10 miles (20 km) from Castro Valley, CA in a straight line. By road, the drive is roughly 10 miles, or about 14 min behind the wheel at highway speeds.
Driving distance is a rough estimate (great-circle × 1.25); driving time assumes a 60 mph blended average. Real trips run 10–20% longer with stops.
A direct flight from Alameda, CA to Castro Valley, CA takes about 1 min, covering roughly 10 miles in a straight line. Connecting itineraries with a layover typically add 1–3 hours.
Block-to-block estimate at ~500 mph cruise, including taxi, climb, and descent — what an airline would publish, not pure airborne time.
Alameda has a population of 77,565, vs 65,444 in Castro Valley — about 1.2× larger by population. By land area, Castro Valley covers about 17 sq mi vs 10 sq mi for Alameda.
Population from US Census ACS. Land area from the Census Gazetteer (city proper, excluding inland water).
Cost indices by category, with the US city average (100) marked.
Index: 100 = US city average. Lower is more affordable.
Side-by-side costs, salaries, and sub-category indices.
| Metric | Alameda | Castro Valley | Difference |
|---|---|---|---|
| Median rent | $2,301/mo | $2,383/mo | 3.6% higher in Castro Valley |
| Median home value | $1,147,600 | $1,013,900 | 13.2% higher in Alameda |
| Median household income | $129,917 | $132,174 | 1.7% higher in Castro Valley |
| Groceries index | 108.1 | 108.1 | ≈ equal |
| Utilities index | 168.3 | 168.3 | ≈ equal |
| Transportation index | 106.1 | 106.1 | ≈ equal |
| Healthcare index | 106.0 | 106.0 | ≈ equal |
How much you'd need to earn in the other city to keep the same standard of living.
If you earn $100,000 in Alameda, you'd need $100,168 in Castro Valley to maintain your standard of living.
Climate, safety, and demographics side by side.
Alameda and Castro Valley have nearly identical overall cost-of-living indices. If you earn $80,000 in Alameda, you'd need about $80,134 in Castro Valley to keep the same standard of living.