Chicago is 10% more expensive than St. Paul.
When comparing Chicago, IL and St. Paul, MN, the overall cost of living indices are 100 and 91 respectively (national median = 100). Rent is $132/month cheaper in St. Paul, saving renters about $1,584/year.
Median household income is $2,079/year higher in Chicago. Home values also differ significantly — the median in Chicago is $315,200 compared to $280,300 in St. Paul.
Illinois has a lower income tax rate, making Chicago slightly more tax-friendly.
Chicago vs St. Paul — common questions
Other cost of living comparisons for Chicago and St. Paul