Naperville, IL vs Oak Park, IL

Oak Park is moderately more affordable than Naperville, with a 14% lower cost of living index. Naperville scores 134 compared to 117 for Oak Park, where the US average is 100. This difference means residents of Naperville can expect to pay noticeably more for everyday expenses, housing, and services.

On the housing front, median rent in Naperville is $1,852/month compared to $1,456/month in Oak Park — a 27% difference. Home values follow the same pattern: Oak Park is more affordable at $456,300 median vs $509,900.

Median household income in Naperville is $150,937 compared to $108,026 in Oak Park (+39.7%). While Naperville is more expensive, its higher salaries more than compensate — residents there may actually end up with more disposable income. Looking at affordability, residents of Naperville spend roughly 14.7% of their income on rent, less than the 16.2% in Oak Park.

Climate-wise, both cities share similar average temperatures (49.7°F vs 52.1°F). Oak Park receives more rainfall at 34.4" per year compared to 33.2" in Naperville.