City comparison
Rochester Hills, MI is about 10 miles (10 km) from Troy, MI in a straight line. By road, the drive is roughly 10 miles, or about 7 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 Rochester Hills, MI to Troy, MI 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.
Troy has a population of 87,170, vs 76,041 in Rochester Hills — about 1.1× larger by population. By land area, Troy covers about 33 sq mi vs 33 sq mi for Rochester Hills.
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 | Rochester Hills | Troy | Difference |
|---|---|---|---|
| Median rent | $1,497/mo | $1,461/mo | 2.5% higher in Rochester Hills |
| Median home value | $359,800 | $375,600 | 4.4% higher in Troy |
| Median household income | $115,968 | $115,639 | 0.3% higher in Rochester Hills |
| Groceries index | 98.6 | 98.6 | ≈ equal |
| Utilities index | 105.6 | 105.6 | ≈ equal |
| Transportation index | 102.1 | 102.1 | ≈ equal |
| Healthcare index | 102.3 | 102.3 | ≈ 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 Rochester Hills, you'd need $99,890 in Troy to maintain your standard of living.
Climate, safety, and demographics side by side.
Rochester Hills and Troy have nearly identical overall cost-of-living indices. If you earn $80,000 in Rochester Hills, you'd need about $79,912 in Troy to keep the same standard of living.