McKinney is 70% more expensive than Chattanooga.
When comparing McKinney, TX and Chattanooga, TN, the overall cost of living indices are 138 and 81 respectively (national median = 100). Rent is $686/month cheaper in Chattanooga, saving renters about $8,232/year.
Median household income is $59,245/year higher in McKinney. Home values also differ significantly — the median in McKinney is $439,500 compared to $259,200 in Chattanooga.
McKinney vs Chattanooga — common questions
Other cost of living comparisons for McKinney and Chattanooga