Plano is 4% cheaper than McKinney.
When comparing Plano, TX and McKinney, TX, the overall cost of living indices are 132 and 138 respectively (national median = 100). Rent is comparable in both cities, with less than $50/month separating them.
Median household income is $11,624/year higher in McKinney. Home values also differ significantly — the median in Plano is $440,600 compared to $439,500 in McKinney.
Both cities share the same state tax structure since they are in Texas.
Plano vs McKinney — common questions
Other cost of living comparisons for Plano and McKinney