McKinney is 130% more expensive than Springfield.
When comparing McKinney, TX and Springfield, MO, the overall cost of living indices are 138 and 60 respectively (national median = 100). Rent is $921/month cheaper in Springfield, saving renters about $11,052/year.
Median household income is $74,289/year higher in McKinney. Home values also differ significantly — the median in McKinney is $439,500 compared to $165,200 in Springfield.
Texas has no state income tax, giving McKinney residents a significant tax advantage over Missouri's 4.95% rate.
McKinney vs Springfield — common questions
Other cost of living comparisons for McKinney and Springfield