Louisville is 30% cheaper than Manchester.
When comparing Louisville, KY and Manchester, NH, the overall cost of living indices are 74 and 106 respectively (national median = 100). Rent is $396/month cheaper in Louisville, saving renters about $4,752/year.
Median household income is $12,684/year higher in Manchester. Home values also differ significantly — the median in Louisville is $221,500 compared to $336,300 in Manchester.
New Hampshire has no state income tax, giving Manchester residents a significant tax advantage over Kentucky's 4.0% rate.
Louisville vs Manchester — common questions
Other cost of living comparisons for Louisville and Manchester