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 2.02 people per household. The vacancy rate was 4.5%, 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 $45,745, and 2% of families and 6.1% of individuals are below the federal poverty line. 4.4% of those under 18 are in poverty, and 4.7% of those 65 years or older.

Year Population Growth 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%
201021,2214372.10%
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%
18809,6904795.20%
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%
17904,7200.00%

Population by Race

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

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

Portsmouth Nh Population Pyramid 2018

0k0k0k0k0k0k0k Male Population0k0k0k0k0k0k0k Female Population757065605550454035302520151050

Portsmouth Nh Median Age

41.1


Total

37.8


Male

43.9


Female

Lancaster Adults

There are 18,439 adults 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 Housing Indicators

Indicator Value
Median Number of Rooms (per House)
4.8
Houses Without Mortgage
1,682
Houses With Mortgage
3,549
Vacancy Rate
4.5
Median Rent
1,158
Median Home Value
361,000
Renter-Occupied Units
4,912
Owner-Occupied Units
5,231
Total Housing Units
10,617

This chart shows the employment and labor force participation rates in Portsmouth Nh for residents over 16 years of age. The 2015 unemployment rate is 2.3% and the labor force participation rate is 72.4%.

Portsmouth Nh Family/Household Indicators

Indicator Value
Average Household Size
2.02
Average Family Size
2.8
Total Households
10143
Married Couple Households
3662
Male Householder (no wife) Families
201
Female Householder (no husband) Families
725
Non Family Households
5555
Total Families
4588
Households With Own Children
1949
Unmarried Partner Households (Opposite Sex)
8.8
Unmarried Partner Households (Same Sex)
0.2

Portsmouth Nh Income Distribution

Indicator Value
Under $10,000
433
$10,000 to $14,999
341
$15,000 to $24,999
679
$25,000 to $34,999
916
$35,000 to $49,999
1,073
$50,000 to $74,999
1,912
$75,000 to $99,999
1,423
$100,000 to $149,999
1,740
$150,000 to $199,999
664
Over $200,000
962

Portsmouth Nh Household Income

Income

Median

Mean

Portsmouth Nh

New Hampshire

$69,664

$68,485

$94,375

$87,900

Under 10k10k - 15k15k - 25k25k - 35k35k - 50k50k - 75k75k - 100k100k - 150k150k - 200kOver 200k00.050.10.150.2

Portsmouth Nh Education Data

Portsmouth Nh Educational Attainment (over 25)

Indicator Value Percentage
Less Than 9th Grade
1911.16%
9th to 12th Grade
5523.35%
High School Graduate
2,61815.89%
Some College
2,25213.67%
Associates Degree
1,3698.31%
Bachelors Degree
5,97936.28%
Graduate Degree
3,51921.35%