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 | Naperville | Difference |
|---|---|---|---|
| Median rent | $770/mo | $1,787/mo | 56.9% lower in A |
| Median home value | $96,800 | $482,600 | 79.9% lower in A |
| Median household income | $49,039 | $143,754 | 65.9% lower in A |
| Groceries index | 94.5 | 104.3 | 9.4% lower in A |
| Utilities index | 91.3 | 86.2 | 5.9% higher in A |
| Transportation index | 98.8 | 99.9 | 1.2% lower in A |
| Healthcare index | 99.4 | 99.6 | ≈ 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 $135,183 in Naperville to maintain your standard of living.
Climate, safety, and demographics side by side.
Decatur, IL is about 26% cheaper overall than Naperville, IL, based on our cost-of-living index. Housing costs are roughly 52% lower in Decatur than in Naperville. If you earn $80,000 in Decatur, you'd need about $108,146 in Naperville to keep the same standard of living.