City comparison
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 | Decatur | Rockford | Difference |
|---|---|---|---|
| Median rent | $770/mo | $906/mo | 15.0% lower in A |
| Median home value | $96,800 | $114,100 | 15.2% lower in A |
| Median household income | $49,039 | $50,744 | 3.4% lower in A |
| Groceries index | 94.5 | 94.5 | ≈ equal |
| Utilities index | 91.3 | 90.1 | 1.3% higher in A |
| Transportation index | 98.8 | 98.8 | ≈ equal |
| Healthcare index | 99.4 | 99.4 | ≈ 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 Decatur, you'd need $106,699 in Rockford to maintain your standard of living.
Climate, safety, and demographics side by side.
Decatur, IL is about 6.3% cheaper overall than Rockford, IL, based on our cost-of-living index. Housing costs are roughly 18% lower in Decatur than in Rockford. If you earn $80,000 in Decatur, you'd need about $85,359 in Rockford to keep the same standard of living.