City comparison
Bolingbrook, IL is about 125 miles (225 km) from Decatur, IL in a straight line. By road, the drive is roughly 175 miles, or about 2 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 Bolingbrook, IL to Decatur, IL takes about 16 min, covering roughly 125 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.
Bolingbrook has a population of 73,755, vs 70,975 in Decatur — about the same size. By land area, Decatur covers about 44 sq mi vs 25 sq mi for Bolingbrook.
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 | Bolingbrook | Decatur | Difference |
|---|---|---|---|
| Median rent | $1,658/mo | $770/mo | 115.3% higher in Bolingbrook |
| Median home value | $276,400 | $96,800 | 185.5% higher in Bolingbrook |
| Median household income | $102,057 | $49,039 | 108.1% higher in Bolingbrook |
| Groceries index | 106.3 | 93.9 | 13.2% higher in Bolingbrook |
| Utilities index | 84.3 | 91.2 | 8.1% higher in Decatur |
| Transportation index | 100.2 | 99.3 | 0.8% higher in Bolingbrook |
| Healthcare index | 100.4 | 99.5 | 0.8% higher in Bolingbrook |
How much you'd need to earn in the other city to keep the same standard of living.
If you earn $100,000 in Bolingbrook, you'd need $75,481 in Decatur to maintain your standard of living.
Climate, safety, and demographics side by side.
Decatur, IL is about 24.5% cheaper overall than Bolingbrook, IL, based on our cost-of-living index. Housing costs are roughly 101% higher in Bolingbrook than in Decatur. If you earn $80,000 in Bolingbrook, you'd need about $60,385 in Decatur to keep the same standard of living.