City comparison
Allen, TX is about 800 miles (1,300 km) from Chicago, IL in a straight line. By road, the drive is roughly 950 miles, or about 16 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 Allen, TX to Chicago, IL takes about 1 h 33 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.
Chicago has a population of 2,721,914, vs 105,444 in Allen — about 25.8× larger by population. By land area, Chicago covers about 230 sq mi vs 26 sq mi for Allen.
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 | Allen | Chicago | Difference |
|---|---|---|---|
| Median rent | $1,747/mo | $1,314/mo | 33.0% higher in Allen |
| Median home value | $390,200 | $304,500 | 28.1% higher in Allen |
| Median household income | $121,259 | $71,673 | 69.2% higher in Allen |
| Groceries index | 102.5 | 106.4 | 3.8% higher in Chicago |
| Utilities index | 91.1 | 84.4 | 8.0% higher in Allen |
| Transportation index | 99.8 | 100.3 | 0.6% higher in Chicago |
| Healthcare index | 99.2 | 100.2 | 1.0% higher in Chicago |
How much you'd need to earn in the other city to keep the same standard of living.
If you earn $100,000 in Allen, you'd need $96,948 in Chicago to maintain your standard of living.
Climate, safety, and demographics side by side.
Chicago, IL is about 3.1% cheaper overall than Allen, TX, based on our cost-of-living index. Housing costs are roughly 8% higher in Allen than in Chicago. If you earn $80,000 in Allen, you'd need about $77,558 in Chicago to keep the same standard of living.