McKinney is 126% more expensive than Peoria.
When comparing McKinney, TX and Peoria, IL, the overall cost of living indices are 138 and 61 respectively (national median = 100). Rent is $890/month cheaper in Peoria, saving renters about $10,680/year.
Median household income is $61,557/year higher in McKinney. Home values also differ significantly — the median in McKinney is $439,500 compared to $149,500 in Peoria.
Texas has no state income tax, giving McKinney residents a significant tax advantage over Illinois's 4.95% rate.
McKinney vs Peoria — common questions
Other cost of living comparisons for McKinney and Peoria