Aurora is 64% more expensive than Springfield.
When comparing Aurora, IL and Springfield, IL, the overall cost of living indices are 100 and 61 respectively (national median = 100). Rent is $590/month cheaper in Springfield, saving renters about $7,080/year.
Median household income is $24,572/year higher in Aurora. Home values also differ significantly — the median in Aurora is $260,400 compared to $155,200 in Springfield.
Both cities share the same state tax structure since they are in Illinois.
Aurora vs Springfield — common questions
Other cost of living comparisons for Aurora and Springfield