Portsmouth city, New Hampshire
Portsmouth city profile, demographic data, and geographic information.
Portsmouth city is a geographic entity located in Rockingham County, New Hampshire. As of official census estimates, it has a reported population of 23,028. The land area covers 15.66 sq mi. [1]
Demographics & Population
| Demographic Metric | Estimate / Count | Margin of Error | Survey Period / Source |
|---|---|---|---|
| Total Population (2025 PEP Estimate) | 23,028 | — | 2025 / Census |
| Median Age | 42.9 yrs | ±2 | 2020-2024 / Census ACS 5-Year 2024 |
| Total Households | 10,902 | ±387 | 2020-2024 / Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).
Housing & Real Estate Profile
| Housing Metric | Estimate / Value | Margin of Error |
|---|---|---|
| Total Housing Units | 11,370 | ±405 |
| Occupied Housing Units | 10,902 | ±387 |
| Vacant Housing Units | 468 | ±201 |
| Median Home Value | $688,500 | ±$38,853 |
| Median Gross Rent | $1,869 | ±$111 |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).
Economy & Workforce
| Economic Metric | Estimate / Value | Margin of Error |
|---|---|---|
| Median Household Income | $106,219 | ±$6,854 |
| Per Capita Income | $72,411 | ±$6,105 |
| Poverty Rate | 6.8% | ±1.8% |
| Population Below Poverty Level | 1,509 | ±394 |
| Unemployment Rate | 2.5% | ±1% |
| Civilian Labor Force, Employed | 12,532 | ±497 |
| Broadband Internet Rate | 94.6% | ±1.8% |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).
Local Government & Public Administration
Authoritative general-purpose local government units serving this area
U.S. Census Bureau GUS (2026) / GMAF
| Government Unit | Unit Type | Jurisdiction Role | Contact / Address |
|---|---|---|---|
|
GUS Population: 22,938 (2024)
ID: 170002
|
Municipal | Official Local Government |
Contact: MAYOR
1 JUNKINS AVE, UNIT 1, PORTSMOUTH NH 03801-4555
|
|
GUS Population: 322,433 (2024)
ID: 169997
|
County | Official County Government |
Contact: EXECUTIVE COMMISSIONER
119 NORTH RD, BRENTWOOD NH 03833-6628
|
Education
Listing 10 local institutions (NCES 2024-2025)
External reference via K12Guides
| Institution | Type | Grades | Location |
|---|---|---|---|
| Regular School Portsmouth | KG-05 | Portsmouth, NH | |
| Regular School Portsmouth | KG-05 | Portsmouth, NH | |
| Regular School Portsmouth | KG-05 | Portsmouth, NH | |
| Regular School Portsmouth | PK | Portsmouth, NH | |
| Regular School Portsmouth | 09-13 | Portsmouth, NH | |
| Regular School Portsmouth | 06-08 | Portsmouth, NH | |
| Regular School Nearby | 03-05 | Hampton, NH | |
| Regular School Nearby | 09-12 | Amesbury, MA | |
| Regular School Nearby | 09-12 | Amesbury, MA | |
| Regular School Nearby | 06-08 | Amesbury, MA |
Source: k12guides.com.
Community Facilities & Infrastructure
Displaying 10 civic institutions across 3 datasets queried
CMS • IPEDS • IMLS
| Facility Name | Category | Relationship | Address / Location | Contact |
|---|---|---|---|---|
|
PORTSMOUTH REGIONAL HOSPITAL
|
Hospital | City address association | 333 BORTHWICK AVE, PORTSMOUTH, NH, 03801 |
(603) 436-5110
|
|
Great Bay Community College
|
College | 1.2 mi away | 320 Corporate Drive, Portsmouth, NH, 03801-2879 |
6034277600
|
|
PORTSMOUTH PUBLIC LIBRARY
|
Library | 1.3 mi away | 175 PARROTT AVENUE, PORTSMOUTH, NH, 03801 |
(603) 427-1540
|
|
Paul Mitchell the School-Portsmouth
|
College Vocational | 1.5 mi away | 140 Congress Street, Portsmouth, NH, 03801-4084 |
6034367775
|
|
RICE PUBLIC LIBRARY
|
Library | 2.6 mi away | 8 WENTWORTH STREET, KITTERY, ME, 03904 |
(207) 439-1553
|
|
University of New Hampshire-Main Campus
|
College | 9.3 mi away | 105 Main St., Thompson Hall, Durham, NH, 03824-3547 |
6038621234
|
|
WEEKS PUBLIC LIBRARY
|
Library | 3.2 mi away | 36 POST ROAD, GREENLAND, NH, 03840 |
(603) 436-8548
|
|
Empire Beauty School-Somersworth
|
College Vocational | 12.8 mi away | 456 High Street, Somersworth, NH, 03878 |
6036921515
|
|
NEW CASTLE PUBLIC LIBRARY
|
Library | 3.2 mi away | 301 WENTWORTH ROAD, NEW CASTLE, NH, 03854 |
(603) 431-6773
|
|
York County Community College
|
College | 19.5 mi away | 112 College Drive, Wells, ME, 04090 |
2072164300
|
Distances calculated from authoritative source coordinates. Source: CMS, IMLS, NCES IPEDS.
Climate & Weather Observations
NOAA Monthly Climate Normals
Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at GREENLAND, NH US, located 3.6 miles from Portsmouth city. Local microclimates, topography, and elevation may cause municipal conditions to differ.
| Month | High (°F) | Low (°F) | Mean (°F) | Precip (in) | Snow (in) |
|---|---|---|---|---|---|
| January | 32.6° | 16.3° | 24.4° | 3.63" | 17.1" |
| February | 35.6° | 17.6° | 26.6° | 3.57" | 15.8" |
| March | 43.3° | 25.3° | 34.3° | 4.77" | 13.9" |
| April | 55.8° | 34.8° | 45.3° | 4.56" | 2.3" |
| May | 66.1° | 44.8° | 55.4° | 3.95" | 0.0" |
| June | 75.0° | 54.1° | 64.5° | 4.59" | 0.0" |
| July | 80.5° | 60.1° | 70.3° | 3.89" | 0.0" |
| August | 79.4° | 58.8° | 69.1° | 3.66" | 0.0" |
| September | 71.8° | 51.7° | 61.7° | 4.08" | 0.0" |
| October | 59.7° | 40.5° | 50.1° | 4.95" | 0.1" |
| November | 48.1° | 31.2° | 39.7° | 4.12" | 1.6" |
| December | 37.8° | 22.3° | 30.0° | 4.88" | 14.2" |
Source: NOAA U.S. Climate Normals (1991–2020).
Local Weather Forecast
Weather forecast data is currently unavailable in the local cache.
Nearby Cities & Communities
Listing adjacent communities by spatial proximity (miles)
Proximity discovery
| Community Name | Classification | Distance | Population |
|---|---|---|---|
| Portsmouth city | City | 0.0 mi | — |
| Kittery CDP | CDP | 2.9 mi | — |
| Kittery Point CDP | CDP | 5.1 mi | — |
| South Eliot CDP | CDP | 5.2 mi | — |
| Newfields CDP | CDP | 8.2 mi | — |
| Newmarket CDP | CDP | 8.2 mi | — |
Sources & Data Provenance
- Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 3301562900. • Official Source Dataset →
- Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
- Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
- Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.