The cost of living in Portsmouth, New Hampshire (NH) is lower than the average cost of living in the state of New Hampshire and lower than the nationwide city average. The average annual pay in Portsmouth is $52,449.00, which is $1,114.00 lower than the salary average in New Hampshire and lower than the U.S. average yearly wages by $1,172.00.
The CPI calculation is based on a statistical model that takes into account some of the major personal consumption categories such as healthcare, transportation, housing, education and food, in addition to the average Portsmouth annual salary, sales tax rates and the regional consumer price index.