Louisville is 12% more expensive than McAllen.
When comparing Louisville, KY and McAllen, TX, the overall cost of living indices are 74 and 66 respectively (national median = 100). Rent is $52/month cheaper in McAllen, saving renters about $624/year.
Median household income is $4,566/year higher in Louisville. Home values also differ significantly — the median in Louisville is $221,500 compared to $173,800 in McAllen.
Texas has no state income tax, giving McAllen residents a significant tax advantage over Kentucky's 4.0% rate.
Louisville vs McAllen — common questions
Other cost of living comparisons for Louisville and McAllen