Kansas City is 40% more expensive than Rockford.
When comparing Kansas City, MO and Rockford, IL, the overall cost of living indices are 80 and 57 respectively (national median = 100). Rent is $232/month cheaper in Rockford, saving renters about $2,784/year.
Median household income is $14,121/year higher in Kansas City. Home values also differ significantly — the median in Kansas City is $227,000 compared to $120,900 in Rockford.
Kansas City vs Rockford — common questions
Other cost of living comparisons for Kansas City and Rockford