Worcester and Manchester have a similar cost of living.
When comparing Worcester, MA and Manchester, NH, the overall cost of living indices are 104 and 106 respectively (national median = 100). Rent is $50/month cheaper in Worcester, saving renters about $600/year.
Median household income is $9,871/year higher in Manchester. Home values also differ significantly — the median in Worcester is $339,500 compared to $336,300 in Manchester.
New Hampshire has no state income tax, giving Manchester residents a significant tax advantage over Massachusetts's 9.0% rate.
Worcester vs Manchester — common questions
Other cost of living comparisons for Worcester and Manchester