City comparison
Diamond Bar, CA is about 225 miles (350 km) from Fresno, CA in a straight line. By road, the drive is roughly 275 miles, or about 4 h 45 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 Diamond Bar, CA to Fresno, CA takes about 27 min, covering roughly 225 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.
Fresno has a population of 541,528, vs 54,534 in Diamond Bar — about 9.9× larger by population. By land area, Fresno covers about 115 sq mi vs 15 sq mi for Diamond Bar.
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 | Diamond Bar | Fresno | Difference |
|---|---|---|---|
| Median rent | $2,332/mo | $1,227/mo | 90.1% higher in Diamond Bar |
| Median home value | $829,000 | $321,800 | 157.6% higher in Diamond Bar |
| Median household income | $106,881 | $63,001 | 69.6% higher in Diamond Bar |
| Groceries index | 106.4 | 105.1 | 1.3% higher in Diamond Bar |
| Utilities index | 155.6 | 157.8 | 1.4% higher in Fresno |
| Transportation index | 104.4 | 100.7 | 3.7% higher in Diamond Bar |
| Healthcare index | 104.3 | 100.6 | 3.7% higher in Diamond Bar |
How much you'd need to earn in the other city to keep the same standard of living.
If you earn $100,000 in Diamond Bar, you'd need $75,829 in Fresno to maintain your standard of living.
Climate, safety, and demographics side by side.
Fresno, CA is about 24.2% cheaper overall than Diamond Bar, CA, based on our cost-of-living index. Housing costs are roughly 79% higher in Diamond Bar than in Fresno. If you earn $80,000 in Diamond Bar, you'd need about $60,663 in Fresno to keep the same standard of living.