City comparison
Rockwall, TX is about 30 miles (50 km) from The Colony, TX 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 Rockwall, TX to The Colony, TX 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.
Rockwall has a population of 47,859, vs 44,323 in The Colony — about the same size. By land area, Rockwall covers about 30 sq mi vs 14 sq mi for The Colony.
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 | Rockwall | The Colony | Difference |
|---|---|---|---|
| Median rent | $1,728/mo | $1,739/mo | 0.6% higher in The Colony |
| Median home value | $355,000 | $325,900 | 8.9% higher in Rockwall |
| Median household income | $114,799 | $106,518 | 7.8% higher in Rockwall |
| Groceries index | 102.5 | 102.5 | ≈ equal |
| Utilities index | 91.1 | 91.1 | ≈ equal |
| Transportation index | 99.8 | 99.8 | ≈ equal |
| Healthcare index | 99.2 | 99.2 | ≈ 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 Rockwall, you'd need $100,028 in The Colony to maintain your standard of living.
Climate, safety, and demographics side by side.
Rockwall and The Colony have nearly identical overall cost-of-living indices. If you earn $80,000 in Rockwall, you'd need about $80,022 in The Colony to keep the same standard of living.