HomeNew HampshireRockingham CountyPortsmouth
Portsmouth, New Hampshire: commercial real estate data.
Portsmouth is a Census city of 22,545 people across 15.66 square miles of land, in Rockingham County. Median household income is $106,219, 51.9 percent of occupied homes are owned, and the SBA record carries 153 7(a) approvals to borrowers here worth $37.4 m since FY2020.
Underlined figures are computed by MMCG Analytics, not published by the agency.
Portsmouth
What Portsmouth is
- Census place typecity
- Land area15.66 sq mi
- Water area1.16 sq mi
- Population per square mile of land1,440
- County holding the largest share of its areaRockingham County, 100.0 percent
US Census Bureau, cartographic boundary file, places, 2024 vintage. US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Portsmouth
How many people live in Portsmouth
- Population22,545
- Median age42.9
- Population under 183,148
- Share under 1814.0 percent
- Population 65 and over4,946
- Share 65 and over21.9 percent
- Households10,902
- Family households5,187
- Share of households that are families47.6 percent
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Portsmouth
Income and work in Portsmouth
- Median household income$106,219
- Per capita income$72,411
- Civilian labor force12,853
- Employed12,532
- Unemployed321 plus or minus 131
- Unemployment rate2.5 percent plus or minus 1.0
- Adults 25 and over17,880
- Adults 25 and over with a high school diploma or higher97.4 percent
- Adults 25 and over with a bachelor degree or higher64.0 percent
- Adults 25 and over with a graduate degree23.4 percent
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Portsmouth
Housing in Portsmouth
- Housing units11,370
- Occupied units10,902
- Vacant units468 plus or minus 201
- Vacancy rate4.1 percent plus or minus 1.8
- Owner occupied5,661
- Renter occupied5,241
- Ownership rate51.9 percent
- Median owner-occupied home value$688,500
- Median gross rent, monthly$1,869
- Annual rent as a share of median income21.1 percent
- Single family units5,574
- Share single family49.0 percent
- Units in buildings of two or more5,533
- Share in buildings of two or more48.7 percent
- Mobile homes262 plus or minus 97
- Median year structure built1959
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Portsmouth
How Portsmouth gets to work
- Workers 16 and over who commute9,692
- Commuting under 15 minutes4,115
- Share commuting under 15 minutes42.5 percent
- Commuting 30 minutes or more2,244
- Share commuting 30 minutes or more23.2 percent
- Drove alone68.6 percent
- Carpooled2.8 percent plus or minus 1.4
- Public transport0.9 percent plus or minus 0.6
- Walked4.1 percent plus or minus 1.6
- Worked from home21.9 percent
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Portsmouth
SBA loans in Portsmouth (7(a))
- Approvals153
- Gross approval$37,400,300
- Average approval$244,446
- Median approval$100,000
- Ninetieth percentile approval$606,360
- Largest approval$2,860,000
- Jobs supported1,323
- Jobs per approval8.6
- Loans with a final outcome42
- Paid in full40
- Charged off2
- Charge-off rate over resolved loans4.8 percent
- Median term120 months
- Share on real estate terms of 20 years or more2.6 percent
- Share to franchises8.5 percent
- Distinct lenders34
- Distinct industries by NAICS81
Counted by borrower city: approvals to borrowers whose address is in Portsmouth, in any county, FY2020 to FY2026.
US Small Business Administration, 7(a) FOIA release, FY2020 to FY2026 year to date, as of 2026-06-30.
Portsmouth
SBA loans in Portsmouth (504)
- Approvals93
- Gross approval$37,711,000
- Average approval$405,495
- Median approval$286,000
- Largest approval$3,825,000
- Jobs supported570
- Loans with a final outcome43
- Charged off2
- Charge-off rate over resolved loans4.7 percent
- Median term240 months
- Distinct CDCs4
Counted by borrower city: approvals to borrowers whose address is in Portsmouth, in any county, FY2010 to FY2026.
US Small Business Administration, 504 FOIA release, FY2010 to FY2026 year to date, as of 2026-06-30.
Portsmouth
Flood risk in Portsmouth
- NFIP communityCity of Portsmouth
- NFIP community number330139
- Participating in the NFIPYes
- Community Rating System classNone
- Currently effective map date01/29/21
The City of Portsmouth participates in the National Flood Insurance Program as community 330139 and carries no Community Rating System class, so no CRS premium discount applies to it.
Federal Emergency Management Agency, NFIP Community Status Book (OpenFEMA), as of 2026-09-26.
Rockingham County, not Portsmouth
Rockingham County context, not Portsmouth figures
- Establishments in Rockingham County10,266
- Covered employment, Rockingham County157,028
- Average annual pay, Rockingham County$73,537
- Housing units permitted, Rockingham County1,300
Every figure in this section is published for Rockingham County as a whole and is not a measurement of Portsmouth.
All Rockingham County figures →
US Census Bureau, County Business Patterns, 2023. US Bureau of Labor Statistics, Quarterly Census of Employment and Wages, 2024 annual averages. US Census Bureau, Building Permits Survey, 2024 annual.
Coverage
What this page does not hold.
Parcel detail, zoning and the flood zone at an address are not on this page; they resolve at the address in the platform. How this page was built →
Common questions
Portsmouth questions, answered from the record.
How many people live in Portsmouth, New Hampshire?
22,545, in 10,902 households. Portsmouth city covers 15.66 square miles of land, which is 1,440 people per square mile. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
What county is Portsmouth in?
Rockingham County, which holds 100.0 percent of the place by area. Source: US Census Bureau, cartographic boundary file, places, 2024 vintage.
What is the median household income in Portsmouth?
$106,219. The median owner-occupied home is valued at $688,500. Median gross rent is $1,869 per month. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
How much SBA lending goes to Portsmouth businesses?
153 7(a) approvals totaling $37.4 m since FY2020, across 34 lenders, median approval $100,000, plus 93 504 approvals worth $37.7 m since FY2010. These count approvals to borrowers whose address is in Portsmouth, not projects sited inside the place boundary, and they are approvals recorded in the release rather than loans disbursed.
Do SBA loans to Portsmouth borrowers get paid back?
Of the 42 loans that have reached a final outcome, 40 were paid in full and 2 charged off, a charge off rate of 4.8 percent. Loans still running are excluded because they have not yet succeeded or failed.
Is Portsmouth in the National Flood Insurance Program?
Yes. Portsmouth appears in the FEMA Community Status Book as Portsmouth, city of, community 330139, with no Community Rating System class, so no CRS discount applies. Whether a specific parcel sits in a mapped special flood hazard area is an address level question the platform answers.
Are the county figures on this page Portsmouth figures?
No, and they are labeled so. County Business Patterns, QCEW, the Building Permits Survey, BEA product and IRS migration are published for Rockingham County as a whole and there is no place level equivalent. They appear in one clearly marked section as context and are never presented as measurements of Portsmouth.
Is zoning published for Portsmouth?
No. Nothing on this page presents parcel level zoning.
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