McKinney is 116% more expensive than Montgomery.
When comparing McKinney, TX and Montgomery, AL, the overall cost of living indices are 138 and 64 respectively (national median = 100). Rent is $782/month cheaper in Montgomery, saving renters about $9,384/year.
Median household income is $64,586/year higher in McKinney. Home values also differ significantly — the median in McKinney is $439,500 compared to $148,500 in Montgomery.
Texas has no state income tax, giving McKinney residents a significant tax advantage over Alabama's 5.0% rate.
McKinney vs Montgomery — common questions
Other cost of living comparisons for McKinney and Montgomery