City comparison
Aurora, IL is about 50 miles (80 km) from Rockford, IL in a straight line. By road, the drive is roughly 70 miles, or about 1 h 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 Aurora, IL to Rockford, IL takes about 6 min, covering roughly 50 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.
Aurora has a population of 181,405, vs 148,173 in Rockford — about 1.2× larger by population. By land area, Rockford covers about 65 sq mi vs 45 sq mi for Aurora.
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 | Aurora | Rockford | Difference |
|---|---|---|---|
| Median rent | $1,462/mo | $906/mo | 61.4% higher in Aurora |
| Median home value | $241,600 | $114,100 | 111.7% higher in Aurora |
| Median household income | $85,943 | $50,744 | 69.4% higher in Aurora |
| Groceries index | 106.3 | 93.9 | 13.2% higher in Aurora |
| Utilities index | 84.3 | 89.6 | 6.3% higher in Rockford |
| Transportation index | 100.2 | 99.3 | 0.8% higher in Aurora |
| Healthcare index | 100.4 | 99.5 | 0.8% higher in Aurora |
How much you'd need to earn in the other city to keep the same standard of living.
If you earn $100,000 in Aurora, you'd need $81,252 in Rockford to maintain your standard of living.
Climate, safety, and demographics side by side.
Rockford, IL is about 18.7% cheaper overall than Aurora, IL, based on our cost-of-living index. Housing costs are roughly 60% higher in Aurora than in Rockford. If you earn $80,000 in Aurora, you'd need about $65,002 in Rockford to keep the same standard of living.