Joliet is 44% more expensive than Springfield.
When comparing Joliet, IL and Springfield, IL, the overall cost of living indices are 88 and 61 respectively (national median = 100). Rent is $292/month cheaper in Springfield, saving renters about $3,504/year.
Median household income is $22,489/year higher in Joliet. Home values also differ significantly — the median in Joliet is $248,600 compared to $155,200 in Springfield.
Both cities share the same state tax structure since they are in Illinois.
Joliet vs Springfield — common questions
Other cost of living comparisons for Joliet and Springfield