Naperville

Naperville, Illinois is a growing city with a population of approximately 150,245. The overall cost of living index sits at 122, which is significantly above the national average of 100. This means everyday expenses — housing, groceries, transportation, and healthcare — are roughly 22% more expensive compared to the typical U.S. city.

Housing is the largest cost driver in Naperville. Median rent is $2,157 per month, while the median home price is $594,498. At a median household income of $150,937, rent consumes roughly 17% of gross income, which remains manageable relative to local incomes. The housing sub-index of 154 highlights significantly elevated shelter costs.

Beyond housing, healthcare is the most elevated non-shelter expense in Naperville with a sub-index of 125, while utilities is comparatively more affordable at 112. State-level taxes also shape the true cost of living: Illinois applies a 4.95% income tax rate, and property tax averages 1.73% of assessed home value. The combined sales tax rate is 8.83%. Local income tax may apply in some municipalities.

Over the past twelve months, the cost of living in Naperville has trended downward. Among the 5 tracked cities in Illinois, Naperville ranks #5 from most to least affordable. Whether you're evaluating a job offer, planning a relocation, or comparing salary purchasing power, these numbers give a grounded, data-backed view of what life in Naperville actually costs.