Portsmouth, New Hampshire Population 2018

Portsmouth, New Hampshire's estimated population is 21,796 according to the most recent United States census estimates. Portsmouth, New Hampshire is the 7th largest city in New Hampshire based on official 2017 estimates from the US Census Bureau.

The population density is 1395.24 people/mi² (538.70 people/km²), with a household density of 262.41 people/km² (679.63 people/mi²).

The overall median age is 41.1 years, 37.8 years for males, and 43.9 years for females. For every 100 females there are 104.4 males.

Based on data from the American Community Survey, in 2017 there were 10,617 households in the city, with an average size of people per household. The homeowner vacancy rate was 0.4%, with a median rent of $1158/month. The median house has 4.8 rooms, and has a value of $361,000.

The median income for households in Portsmouth, New Hampshire is $69,664, while the mean household income is $94,375. The per capita income is $, and % of families and % of individuals are below the federal poverty line. % of those under 18 are in poverty, and % of those 65 years or older.

Year Population Growth Annual Growth Rate
201721,7961900.88%
201621,6060.00%
201521,606-66-0.30%
201421,6722411.12%
201321,431390.18%
201221,3921200.56%
201121,272510.24%
201021,2214370.21%
200020,784-5,141-2.19%
199025,925-329-0.13%
198026,2545370.21%
197025,717-116-0.04%
196025,8337,0033.21%
195018,8304,0092.42%
194014,8213260.22%
193014,4959260.66%
192013,5692,3001.87%
191011,2696320.58%
190010,6378100.80%
18909,8271370.14%
18809,6904790.51%
18709,211-124-0.13%
18609,335-403-0.42%
18509,7381,8512.13%
18407,887-139-0.17%
18308,0266990.92%
18207,3273930.55%
18106,9341,5952.65%
18005,3396191.24%
17904,7200.00%

Population by Race

Race Population
White19,142
Asian893
Two or More Races688
Black or African American561
Some Other Race169
American Indian and Alaska Native5

Race Data via US Census (2016 ACS 5-Year Survey)

Portsmouth Nh Population Pyramid 2018

0%2%4%6%8%10%12% Male Population0%2%4%6%8%10%12% Female Population80757065605550454035302520151050

Data via US Census (2016 ACS 5-Year Survey): Table S0101

Portsmouth Nh Median Age

41.1


Total

37.8


Male

43.9


Female

Portsmouth Nh Adults

There are 18,153 adults, (3,734 of which are seniors) in Portsmouth Nh.

Portsmouth Nh Age Dependency

48.9

Age Dependency Ratio

25.9

Old Age Dependency Ratio

22.9

Child Dependency Ratio

Portsmouth Nh Sex Ratio

Female

10,500

48.93%

Male

10,958

51.07%

Portsmouth Nh Households and Families

Portsmouth Nh Renter vs Owner Occupied by Household Type

Portsmouth Nh Household Types

Type Owner Renter
Married76.3%23.7%
Male66.2%33.8%
All51.6%48.4%
Female39.2%60.8%
Non Family36.4%63.6%

51.6%

Rate of Home Ownership

Portsmouth Nh Households by Type

Type Count Average Size Owned
All10,1432.0251.6
Non Family5,5551.3536.4
Married3,6622.9276.3
Female7252.4939.2
Male2012.4666.2

2.8

Average Family Size

2.02

Average Household Size

8.8%

Unmarried (Opposite Sex)

0.2%

Unmarried (Same Sex)

Portsmouth Nh Households

Portsmouth Nh Education

Portsmouth Nh Educational Attainment by Sex (over 25)

Education Attained Count Percentage
Less Than 9th Grade1911.16%
9th to 12th Grade5523.35%
High School Graduate2,61815.89%
Some College2,25213.67%
Associates Degree1,3698.31%
Bachelors Degree5,97936.28%
Graduate Degree3,51921.35%

Portsmouth Nh Educational Attainment by Race

Name Total High School Bachelors
White14,74514,1298,617
Asian640601383
Hispanic422362187
Black375354187
Multiple Races344337147
Other Race12810742
Native American555

The highest rate of high school graduation is among native american people with a rate of 100.00%.

The highest rate of bachelors degrees is among native american people with a rate of 100.00%.

Portsmouth Nh Earnings by Educational Attainment

Name Average Male Female
Overall$45,772$54,471$38,009
Less Than High School$21,644$31,313$18,750
High School Grad$28,324$26,442$31,366
Some College$39,713$44,399$31,946
Bachelors Degree$51,045$60,453$38,333
Graduate Degree$66,875$97,083$47,019

$45,772

Average Earnings

$54,471

Average Male

$38,009

Average Female

Portsmouth Nh Language

Portsmouth Nh Language by Age

Portsmouth Nh Language

90.26% of Portsmouth Nh residents speak only English, while 9.74% speak other languages. The largest non-English language is OtherIndoEuro, which is spoken by 3.69% of the population.

Portsmouth Nh Poverty

Portsmouth Nh Poverty by Race

Name Total In Poverty Poverty Rate
White18,1249925.47%
Hispanic61411218.24%
Multiple5538515.37%
Black4945511.13%
Other1662112.65%
Asian872192.18%

6.13%

Overall Poverty Rate

6.33%

Male Poverty Rate

5.94%

Female Poverty Rate

Poverty in Portsmouth Nh

The race most likely to be in poverty in Portsmouth Nh is Hispanic, with 18.24% below the poverty level.

The race least likely to be in poverty in Portsmouth Nh is Asian, with 2.18% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.70%. Among those working part-time, it was 10.62%, and for those that did not work, the poverty rate was 10.99%.

Portsmouth Nh Poverty Rate by Education

Name Poverty
Less Than High School34.78%
High School9.09%
Some College7.22%
Bachelors or Greater1.98%

Portsmouth Nh Poverty Rate by Employment Status and Sex

Name Poverty
Male Unemployed43.98%
Female Unemployed11.65%
Female Employed4.98%
Male Employed3.95%

Portsmouth Nh Income

Portsmouth Nh Income by Household Type

Name Median Mean
Households$69,664$94,375
Families$98,886$123,107
Married Families$108,051$
Non Families$56,664$69,792

Portsmouth Nh Marital Status

Portsmouth Nh Marital Status

Marriage Rates

41.7%

Overall Marriage Rate

41.7%

Male Marriage Rate

41.8%

Female Marriage Rate

Portsmouth Nh Married by Age and Sex

Portsmouth Nh Marriage

The age group where males are most likely to be married is 45To54, while the female age group most likely to be married is 55To64.

Portsmouth Nh Marital Status by Race

Portsmouth Nh Veterans

Portsmouth Nh Veterans by War

1,514

Number of Veterans

1,406

Male Veterans

108

Female Veterans

Name Veterans
Vietnam716
First Gulf War236
Second Gulf War233
Korea229
World War II110

Portsmouth Nh Veterans by Age

Name Veterans
75+458
65 to 74442
55 to 64290
35 to 54220
18 to 34104

Portsmouth Nh Veterans by Race

Name Veterans % of Total
White1,4048.74%
Black9122.58%
Hispanic224.76%
Other118.46%
Asian81.31%

Portsmouth Nh Veterans by Education

1.85%

Veteran Poverty Rate

20.12%

Veteran Disability Rate

Portsmouth Nh Employment Status

Portsmouth Nh Employment by Age

72.4%

Labor Force Participation

67.1%

Employment Rate

3.3%

Unemployment Rate

Portsmouth Nh Employment by Race

Portsmouth Nh Employment by Education

Portsmouth Nh Place of Birth

Origin of Non Citizens

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

35.19%

Born in New Hampshire

93.12%

Native Born

6.88%

Foreign Born

3.79%

Non Citizen

Place of Birth

93.12% of Portsmouth Nh residents were born in the United States, with 35.19% having been born in New Hampshire. 3.79% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.