McKinney is 53% more expensive than Elgin.
When comparing McKinney, TX and Elgin, IL, the overall cost of living indices are 138 and 90 respectively (national median = 100). Rent is $581/month cheaper in Elgin, saving renters about $6,972/year.
Median household income is $31,957/year higher in McKinney. Home values also differ significantly — the median in McKinney is $439,500 compared to $252,400 in Elgin.
Texas has no state income tax, giving McKinney residents a significant tax advantage over Illinois's 4.95% rate.
McKinney vs Elgin — common questions
Other cost of living comparisons for McKinney and Elgin