New York is 191% more expensive than Rockford.
When comparing New York, NY and Rockford, IL, the overall cost of living indices are 166 and 57 respectively (national median = 100). Rent is $825/month cheaper in Rockford, saving renters about $9,900/year.
Median household income is $26,385/year higher in New York. Home values also differ significantly — the median in New York is $751,700 compared to $120,900 in Rockford.
Illinois has a lower income tax rate, making Rockford slightly more tax-friendly.
New York vs Rockford — common questions
Other cost of living comparisons for New York and Rockford