City comparison
Dublin, CA is about 30 miles (50 km) from San Jose, CA in a straight line. By road, the drive is roughly 40 miles, or about 37 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 Dublin, CA to San Jose, CA takes about 4 min, covering roughly 30 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.
San Jose has a population of 1,001,176, vs 71,068 in Dublin — about 14.1× larger by population. By land area, San Jose covers about 180 sq mi vs 15 sq mi for Dublin.
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 | Dublin | San Jose | Difference |
|---|---|---|---|
| Median rent | $3,094/mo | $2,526/mo | 22.5% higher in Dublin |
| Median home value | $1,164,100 | $1,149,600 | 1.3% higher in Dublin |
| Median household income | $191,039 | $136,010 | 40.5% higher in Dublin |
| Groceries index | 108.1 | 105.1 | 2.9% higher in Dublin |
| Utilities index | 168.3 | 153.8 | 9.4% higher in Dublin |
| Transportation index | 106.1 | 100.7 | 5.4% higher in Dublin |
| Healthcare index | 106.0 | 100.6 | 5.4% higher in Dublin |
How much you'd need to earn in the other city to keep the same standard of living.
If you earn $100,000 in Dublin, you'd need $100,905 in San Jose to maintain your standard of living.
Climate, safety, and demographics side by side.
Dublin, CA is about 0.9% cheaper overall than San Jose, CA, based on our cost-of-living index. Housing costs are roughly 6% higher in San Jose than in Dublin. If you earn $80,000 in Dublin, you'd need about $80,724 in San Jose to keep the same standard of living.