Portsmouth, New Hampshire Population 2024

23,439

Portsmouth is a city located in Rockingham County New Hampshire. Portsmouth has a 2024 population of 23,439. Portsmouth is currently growing at a rate of 1.57% annually and its population has increased by 6.6% since the most recent census, which recorded a population of 21,987 in 2020.

The average household income in Portsmouth is $139,653 with a poverty rate of 5.97%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Portsmouth is 42.1 years, 41.4 years for males, and 44.1 years for females.

Portsmouth Demographics

According to the most recent ACS, the racial composition of Portsmouth was:

  • White: 88.26%
  • Asian: 4.24%
  • Two or more races: 4.09%
  • Other race: 1.82%
  • Black or African American: 1.5%
  • Native American: 0.05%
  • Native Hawaiian or Pacific Islander: 0.04%
Land Area (mi²)
15.7 sq mi
Density (mi²)
1,496.70/sq mi
Growth Since 2020
6.6% (1,452)
The current population of Portsmouth, New Hampshire is 23,439 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 21,987.

Portsmouth, New Hampshire Population 2024

Population by Race

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Race
Population
Percentage (of total)
White19,54088.26%
Asian9394.24%
Two or more races9064.09%
Other race4041.82%
Black or African American3311.5%
Native American100.05%
Native Hawaiian or Pacific Islander80.04%

White

Asian

Two or more races

Other race

Black or African American

Native American

Native Hawaiian or Pacific Islander

Portsmouth Population by Race

Portsmouth Population Pyramid 2024

Portsmouth Median Age

42.1

Total

41.4

Male

44.1

Female

Portsmouth Adults

There are 18,815 adults, (4,479 of whom are seniors) in Portsmouth.

Portsmouth Age Dependency

54.4

Age Dependency Ratio

31.2

Old Age Dependency Ratio

23.2

Child Dependency Ratio

Portsmouth Sex Ratio

Female11,39451.47%
Male10,74448.53%

Portsmouth Population by Age

Portsmouth Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All10,4352.0752.247.8
Non Family5,1691.3137.462.6
Married4,1582.8975.824.2
Female8322.543862
Male2762.7415.984.1

2.76

Average Family Size

2.07

Average Household Size

52.2%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Portsmouth Households and Families

Male

Female

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Education Attained
Count
Percentage
Less Than 9th Grade1660.97%
9th to 12th Grade3101.81%
High School Graduate2,78916.32%
Some College2,07812.16%
Associates Degree9715.68%
Bachelors Degree6,94740.65%
Graduate Degree3,83022.41%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Portsmouth Educational Attainment by Sex (over 25)

Portsmouth Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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Race
Total
High School
Bachelors
White15,06214,7029,486
Asian610558522
2+ Races572548287
Other Race366356268
Hispanic365303252
Black26023930
Native American101010
Islander888

The highest rate of high school graduation is among native american people with a rate of 100%.

The highest rate of bachelors degrees is among native american people with a rate of 100%.

Portsmouth Educational Attainment by Race

All

Male

Female

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Name
Average
Male
Female
Overall$69,897$83,977$58,281
Less Than 9th Grade$0$0$34,412
High School Graduate$42,934$43,158$42,298
Some College$57,000$64,884$37,219
Bachelors Degree$76,500$87,016$55,717
Graduate Degree$93,380$102,875$90,361

$69,897

Average Earnings

$83,977

Average Male

$58,281

Average Female

Portsmouth Earnings by Educational Attainment

Portsmouth Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Portsmouth Language

91.31% of Portsmouth residents speak only English, while 8.69% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 4.44% of the population.

Portsmouth Language

Portsmouth Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White18,8781,0615.62%
Asian93913914.8%
Hispanic5316011.3%
Other404338.17%
Black331206.04%
Multiple905192.1%

5.97%

Overall Poverty Rate

4.42%

Male Poverty Rate

7.48%

Female Poverty Rate

Poverty in Portsmouth

The race most likely to be in poverty in Portsmouth is Asian, with 14.8% below the poverty level.

The race least likely to be in poverty in Portsmouth is Multiple, with 2.1% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.23%. Among those working part-time, it was 7.55%, and for those that did not work, the poverty rate was 14.57%.

Portsmouth Poverty

rate

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Rate
Poverty
Less Than 9th Grade37.39%
Some College7.09%
High School5.76%
Bachelors or Greater2.41%

Portsmouth Poverty Rate by Education

rate

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Rate
Poverty
Female Unemployed15.59%
Male Unemployed9.86%
Female Employed3.04%
Male Employed1.75%

Portsmouth Poverty Rate by Employment Status and Sex

Portsmouth Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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Name
Median
Mean
Households$100,169$139,653
Families$135,696$178,490
Married Families$145,694$-999,999,999
Non Families$72,377$98,116

mean

median

Income by Household Type

Portsmouth Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

46.5%

Overall Marriage Rate

47.0%

Male Marriage Rate

46.0%

Female Marriage Rate

Portsmouth Married by Age and Sex

male

female

Portsmouth Marriage

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 45-54.

Portsmouth Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Portsmouth Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

1,376

Number of Veterans

1,233

Male Veterans

143

Female Veterans

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War
Veterans
Vietnam576
First Gulf War233
Second Gulf War204
Korea36
World War II6

Portsmouth Veterans by War

count

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Age Group
Veterans
75+431
65 to 74392
35 to 54270
55 to 64220
18 to 3463

Portsmouth Veterans by Age

count

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Name
Veterans
% of Total
White1,2977.88%
Black4213.38%
Other Race307.71%
2+ Races70.87%

Portsmouth Veterans by Race

Portsmouth Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

3.15%

Veteran Poverty Rate

29.43%

Veteran Disability Rate

Portsmouth Veterans by Education

LaborForceParticipation

68.6%

Labor Force Participation

66.5%

Employment Rate

2.5%

Unemployment Rate

Portsmouth Employment by Age

LaborForceParticipation

Portsmouth Employment by Race

LaborForceParticipation

Portsmouth Employment by Education

Origin of Non-Citizens

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.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

36.65%

Born in Portsmouth

91.17%

Native Born

8.83%

Foreign Born

3.81%

Non Citizen

5.01%

Naturalized

Place of Birth

91.17% of Portsmouth residents were born in the United States, with 36.65% having been born in New Hampshire. 3.81% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Portsmouth Place of Birth

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
202925,2543631.46%
202824,8913631.48%
202724,5283631.5%
202624,1653631.53%
202523,8023631.55%
202423,4393631.57%
202323,0763631.6%
202222,7133601.61%
202122,3533661.66%
202021,9875542.58%
201921,433430.2%
201821,39000%
201721,3901720.81%
201621,21890.04%
201521,209-53-0.25%
201421,2622411.15%
201321,021490.23%
201220,9721340.64%
201120,838680.33%
201020,770-14-0.07%
200020,784-5,141-19.83%
199025,925-329-1.25%
198026,2545372.09%
197025,717-116-0.45%
196025,8337,00337.19%
195018,8304,00927.05%
194014,8213262.25%
193014,4959266.82%
192013,5692,30020.41%
191011,2696325.94%
190010,6378108.24%
18909,8271371.41%
18809,6904795.2%
18709,211-124-1.33%
18609,335-403-4.14%
18509,7381,85123.47%
18407,887-139-1.73%
18308,0266999.54%
18207,3273935.67%
18106,9341,59529.87%
18005,33961913.11%
17904,72000%
showing: 42 rows

Portsmouth Population by Year