Arlington is 31% cheaper than McKinney.
When comparing Arlington, TX and McKinney, TX, the overall cost of living indices are 95 and 138 respectively (national median = 100). Rent is $452/month cheaper in Arlington, saving renters about $5,424/year.
Median household income is $46,754/year higher in McKinney. Home values also differ significantly — the median in Arlington is $276,400 compared to $439,500 in McKinney.
Both cities share the same state tax structure since they are in Texas.
Arlington vs McKinney — common questions
Other cost of living comparisons for Arlington and McKinney