Detroit is 7% cheaper than Rockford.
When comparing Detroit, MI and Rockford, IL, the overall cost of living indices are 53 and 57 respectively (national median = 100). Rent is $80/month cheaper in Rockford, saving renters about $960/year.
Median household income is $13,753/year higher in Rockford. Home values also differ significantly — the median in Detroit is $76,800 compared to $120,900 in Rockford.
Michigan has a lower income tax rate, making Detroit slightly more tax-friendly.
Detroit vs Rockford — common questions
Other cost of living comparisons for Detroit and Rockford