Philadelphia is 20% cheaper than Manchester.
When comparing Philadelphia, PA and Manchester, NH, the overall cost of living indices are 85 and 106 respectively (national median = 100). Rent is $142/month cheaper in Philadelphia, saving renters about $1,704/year.
Median household income is $16,717/year higher in Manchester. Home values also differ significantly — the median in Philadelphia is $232,400 compared to $336,300 in Manchester.
New Hampshire has no state income tax, giving Manchester residents a significant tax advantage over Pennsylvania's 3.07% rate.
Philadelphia vs Manchester — common questions
Other cost of living comparisons for Philadelphia and Manchester