Portsmouth is a city located in Rockingham County New Hampshire. Portsmouth has a 2023 population of 22,918. Portsmouth is currently growing at a rate of 1.43% annually and its population has increased by 4.35% since the most recent census, which recorded a population of 21,963 in 2020.
The average household income in Portsmouth is $128,471 with a poverty rate of 6.01%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Portsmouth is 42.2 years, 41.7 years for males, and 43.3 years for females.
According to the most recent ACS, the racial composition of Portsmouth was:
White
Asian
Two or more races
Other race
Black or African American
Native American
Native Hawaiian or Pacific Islander
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 10,462 | 2.05 | 51.6 | 48.4 |
| Non Family | 5,114 | 1.28 | 36.1 | 63.9 |
| Married | 4,255 | 2.89 | 74.7 | 25.3 |
| Female | 816 | 2.35 | 37.6 | 62.4 |
| Male | 277 | 2.65 | 24.5 | 75.5 |
2.73
Average Family Size
2.05
Average Household Size
51.6%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
90.3% of Portsmouth residents speak only English, while 9.7% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 5.21% of the population.
rate
6.01%
Overall Poverty Rate
4.53%
Male Poverty Rate
7.38%
Female Poverty Rate
The race most likely to be in poverty in Portsmouth is Hispanic, with 18.96% below the poverty level.
The race least likely to be in poverty in Portsmouth is Multiple, with 2.56% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 0.74%. Among those working part-time, it was 8.45%, and for those that did not work, the poverty rate was 14.07%.
Married
Widowed
Divorced
Separated
NeverMarried
48.0%
Overall Marriage Rate
48.3%
Male Marriage Rate
47.7%
Female Marriage Rate
male
female
The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 55-64.
Married
Widowed
Divorced
Separated
NeverMarried
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
6.54%
Veteran Poverty Rate
30.19%
Veteran Disability Rate
LaborForceParticipation
69.7%
Labor Force Participation
67.3%
Employment Rate
2.4%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
Europe
Asia
Africa
Oceania
Latin America
North America
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Europe
Asia
Africa
Oceania
Latin America
North America
36.1%
Born in Portsmouth
92.59%
Native Born
9.2%
Foreign Born
4.43%
Non Citizen
4.77%
Naturalized
92.59% of Portsmouth residents were born in the United States, with 36.1% having been born in New Hampshire. 4.43% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.
Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 1790 | 4,720 | -20,236 | 0.7% |
| 1800 | 5,339 | 619 | 1.24% |
| 1810 | 6,934 | 1,595 | 2.65% |
| 1820 | 7,327 | 393 | 0.55% |
| 1830 | 8,026 | 699 | 0.92% |
| 1840 | 7,887 | -139 | -0.17% |
| 1850 | 9,738 | 1,851 | 2.13% |
| 1860 | 9,335 | -403 | -0.42% |
| 1870 | 9,211 | -124 | -0.13% |
| 1880 | 9,690 | 479 | 0.51% |
| 1890 | 9,827 | 137 | 0.14% |
| 1900 | 10,637 | 810 | 0.8% |
| 1910 | 11,269 | 632 | 0.58% |
| 1920 | 13,569 | 2,300 | 1.87% |
| 1930 | 14,495 | 926 | 0.66% |
| 1940 | 14,821 | 326 | 0.22% |
| 1950 | 18,830 | 4,009 | 2.42% |
| 1960 | 25,833 | 7,003 | 3.21% |
| 1970 | 25,717 | -116 | -0.04% |
| 1980 | 26,254 | 537 | 0.21% |
| 1990 | 25,925 | -329 | -0.13% |
| 2000 | 20,784 | -5,141 | -2.19% |
| 2010 | 20,779 | ||
| 2011 | 20,897 | 118 | 0.57% |
| 2012 | 21,015 | 118 | 0.56% |
| 2013 | 21,133 | 118 | 0.56% |
| 2014 | 21,251 | 118 | 0.56% |
| 2015 | 21,369 | 118 | 0.56% |
| 2016 | 21,487 | 118 | 0.55% |
| 2017 | 21,605 | 118 | 0.55% |
| 2018 | 21,723 | 118 | 0.55% |
| 2019 | 21,841 | 118 | 0.54% |
| 2020 | 21,963 | 122 | 0.56% |
| 2021 | 22,277 | 314 | 1.43% |
| 2022 | 22,595 | 318 | 1.43% |
| 2023 | 22,918 | 323 | 1.43% |
| 2024 | 23,246 | 328 | 1.43% |
| 2025 | 23,578 | 332 | 1.43% |
| 2026 | 23,915 | 337 | 1.43% |
| 2027 | 24,257 | 342 | 1.43% |
| 2028 | 24,604 | 347 | 1.43% |
| 2029 | 24,956 | 352 | 1.43% |