Cost of living in Portsmouth, NH

Portsmouth is a Census city in Rockingham County, NH. ACS 2024 5-year population is 22,545. Median gross rent is $1,869 (ACS 2024 5-year, this place). Median home value is $688,500. Median household income is $106,219. Insurance is the NAIC state average; food is a USDA plan — no town indexes.