Cost of Living in Portsmouth, NH
Cost of Living in Portsmouth, NH has an overall index of 165, 65% above the U.S. baseline of 100. The typical home value is $775,217; typical monthly rent is $1,778; and median household income is $105,756.
Cost index: committed city housing/rent inputs and BEA 2024 metro-area price parities. Home value: Zillow ZHVI market signal as of 2026-02. Rent: Census ACS 2023 fallback place estimate. A place-level signal, not a personal affordability decision or financial recommendation.
Home prices are the main source of pressure. This describes the local market, not your household.
Can your household carry the housing cost?
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Frequently asked questions about Portsmouth
Living in Portsmouth
Is Portsmouth, NH an expensive place to live?+
Yes — Portsmouth is about 65% more expensive than the national average, with an overall Cost Index of 165. Housing is the biggest factor: the typical home here is valued around $775,217, and monthly rents average roughly $1,778. Day-to-day costs like groceries and utilities tend to run closer to the national norm.
How does Portsmouth fit a household housing budget?+
Start with housing. Typical monthly rent is $1,778, while local median household income is $105,756. That implies a rent-burden proxy of about 20% before utilities and other costs. Use that as a planning signal for whether the place looks manageable under your own household assumptions.
How much are taxes in Portsmouth, NH?+
This model applies no broad New Hampshire wage-income tax. Applying the 1.86% state-level effective owner-occupied proxy to a home worth $775,217 gives a planning estimate near $14,419 per year; it is not a city, county, parcel, or individual tax bill. The snapshot reports no state sales tax.
How much does it cost to rent in Portsmouth, NH?+
The typical monthly rent in Portsmouth is around $1,778. That's about 32% higher than the $1,348 national median. For comparison, the median home value here is $775,217, so buyers should also factor in mortgage payments, property taxes, and insurance.
How much does a house cost in Portsmouth, NH?+
The typical home value in Portsmouth is $775,217. With 20% down and the committed 6.11% national 30-year fixed benchmark as of 2026-03-12, principal and interest are roughly $3,762/month before property tax and insurance. This is a planning estimate, not a local lender quote. About 52% of residents here own their homes.
Are groceries and utilities expensive in Portsmouth?+
Grocery prices in Portsmouth are about average compared to the rest of the US (index: 100, where 100 is the national average). Utility bills (electricity, gas, water) are on the high side (index: 149). Overall, these everyday costs shouldn't cause major surprises if you're moving from another similarly-sized US city.
What is Portsmouth, NH like to live in?+
Portsmouth is a small town with a population of about 22,332. The median age of residents is 42.4, skewing somewhat older — common in established suburban communities. The local poverty rate is 5.5%, well below the national average of 12.4%.