City comparison
Dallas, TX is about 800 miles (1,300 km) from Mount Prospect, IL in a straight line. By road, the drive is roughly 1,000 miles, or about 17 hours 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 Dallas, TX to Mount Prospect, IL takes about 1 h 36 min, covering roughly 800 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.
Dallas has a population of 1,300,642, vs 56,191 in Mount Prospect — about 23.1× larger by population. By land area, Dallas covers about 340 sq mi vs 11 sq mi for Mount Prospect.
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 | Dallas | Mount Prospect | Difference |
|---|---|---|---|
| Median rent | $1,305/mo | $1,368/mo | 4.8% higher in Mount Prospect |
| Median home value | $270,700 | $367,900 | 35.9% higher in Mount Prospect |
| Median household income | $63,985 | $100,526 | 57.1% higher in Mount Prospect |
| Groceries index | 101.7 | 106.3 | 4.5% higher in Mount Prospect |
| Utilities index | 89.3 | 84.3 | 5.9% higher in Dallas |
| Transportation index | 98.5 | 100.2 | 1.7% higher in Mount Prospect |
| Healthcare index | 99.7 | 100.4 | 0.7% higher in Mount Prospect |
How much you'd need to earn in the other city to keep the same standard of living.
If you earn $100,000 in Dallas, you'd need $98,754 in Mount Prospect to maintain your standard of living.
Climate, safety, and demographics side by side.
Mount Prospect, IL is about 1.2% cheaper overall than Dallas, TX, based on our cost-of-living index. Housing costs are roughly 4% higher in Dallas than in Mount Prospect. If you earn $80,000 in Dallas, you'd need about $79,003 in Mount Prospect to keep the same standard of living.