Naperville is 141% more expensive than Peoria.
When comparing Naperville, IL and Peoria, IL, the overall cost of living indices are 147 and 61 respectively (national median = 100). Rent is $901/month cheaper in Peoria, saving renters about $10,812/year.
Median household income is $92,221/year higher in Naperville. Home values also differ significantly — the median in Naperville is $509,900 compared to $149,500 in Peoria.
Both cities share the same state tax structure since they are in Illinois.
Naperville vs Peoria — common questions
Other cost of living comparisons for Naperville and Peoria