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CITY · 1990 CENSUS

Portsmouth

New Hampshire · 25,925 residents · 15.661 sq mi
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The short version

Portsmouth has roughly average household income, with a median household income of $30,591. Population has grown 25% since 2000. Median home value is $137,800.

At a glance
Average income
near the US median
US median: $30,130
Younger
median age 31.1
US median: 33.0
More educated
27% hold a bachelor's degree
US average: 20%
Stable housing
home values roughly flat, inflation adjusted
US median home: $93,722
Section 01

Population & growth

Total population
25,925
+25%vs 2000
vs 20,784 in 2000
1990 – 2025
Median age
31.1
−19%vs 2000
vs 38.5 in 2000
US average: 33.0
Population, 1990 – 2024
20K22K23K25K26K1990201020202024Portsmouth
202423K
1990201020202024
Age distribution, 1990
Under 58%(2,070)
US avg: 7.3%
5 to 96.3%(1,624)
US avg: 7.3%
10 to 145.3%(1,378)
US avg: 6.9%
15 to 194.9%(1,262)
US avg: 7.1%
20 to 2410%(2,584)
US avg: 7.5%
25 to 3423.9%(6,184)
US avg: 17.5%
35 to 4414.7%(3,801)
US avg: 15.1%
45 to 547.8%(2,013)
US avg: 10.2%
55 to 647.2%(1,856)
US avg: 8.5%
65 to 746.5%(1,673)
US avg: 7.3%
75 to 844.4%(1,132)
US avg: 4%
85 and over1.3%(348)
US avg: 1.2%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$30,591
−11%inflation adjusted, since 2000
vs $45,195 in 2000
US average: $30,130
1990 – 2024
Per capita income
$15,557
−44%vs 2000
vs $27,540 in 2000
US average: $14,340
Poverty rate
6.7%
−2.6 ptsvs 2000
vs 9.3% in 2000
US average: 13.2%
Section 03

Housing

Median home value
$137,800
+10%inflation adjusted, since 2000
vs $164,500 in 2000
US average: $93,722
1990 – 2024
Median gross rent
$553
Unchangedinflation adjusted, since 2000
vs $727 in 2000
US average: $450
Owner-occupied
41.9%
−8.1 ptsvs 2000
vs 50.0% in 2000
58.1% rent
RELATED:See current rent listings in Portsmouth on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic92.7%(19,263)
Black2%(416)
Hispanic / Latino1.3%(280)
Asian2.4%(507)
Other0%
1990
White, non-Hispanic92.4%(23,945)
Black4.8%(1,255)
Hispanic / Latino2.3%(585)
Asian1.6%(414)
Other1.2%(311)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Detailed origin tables are available for 2024; showing 2024 data.

Hispanic origin
Puerto Rican0.8%(191)
Mexican0.5%(122)
Dominican0.5%(114)
Spaniard0.2%(56)
Colombian0.2%(54)
Chilean0.2%(52)
Paraguayan0.2%(48)
Peruvian0.2%(46)
Cuban0.1%(25)
Asian origin
Chinese1.4%(326)
Asian Indian1.2%(279)
Korean0.7%(155)
Filipino0.3%(72)
Thai0.2%(44)
Cambodian0.1%(33)
Pacific Islander origin
Fijian0%(8)
Ancestry
Irish21.7%(4,899)
English21%(4,739)
German9.5%(2,137)
Italian9.4%(2,110)
Scottish5.8%(1,313)
French5%(1,133)
French Canadian4.5%(1,016)
American3.9%(874)
Polish3.8%(856)
Russian2.1%(482)
Swedish1.6%(357)
Scotch-Irish1.3%(302)
+ 33 more ancestry groups with data
Dutch1.2%(262)
Arab1%(215)
Welsh0.9%(207)
Lithuanian0.9%(203)
Finnish0.9%(193)
Norwegian0.8%(189)
Greek0.8%(185)
Portuguese0.8%(174)
British0.8%(171)
Ukrainian0.7%(163)
Danish0.5%(123)
Romanian0.5%(110)
Syrian0.5%(107)
Swiss0.4%(93)
Canadian0.4%(86)
Turkish0.3%(75)
Austrian0.3%(68)
Lebanese0.3%(62)
Brazilian0.2%(49)
Hungarian0.2%(43)
Czech0.1%(31)
Israeli0.1%(31)
Australian0.1%(29)
Iraqi0.1%(26)
Egyptian0.1%(20)
Slovak0.1%(16)
West Indian0.1%(16)
Haitian0.1%(13)
Slovene0%(10)
RANKED:Largest Irish population · Largest English population · Largest German population · Largest Italian population · Largest Scottish population
Section 05

Education

Bachelor's degree or higher
26.6%
−15.4 ptsvs 2000
vs 41.9% in 2000
US average: 20.3%
High school or higher
88.8%
−2.6 ptsvs 2000
vs 91.4% in 2000
US average: 75.2%
Graduate degree
8.0%
−6.0 ptsvs 2000
vs 13.9% in 2000
US average: 7.1%
Section 06

Commute & transportation

Average commute
17.0 min
+9%vs 2000
vs 15.7 min in 2000
US average: 21.9
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Marital status (2024)
Men 15+
Never married38.8%(3,813)
Married47.4%(4,666)
Widowed2.5%(246)
Divorced11.3%(1,109)
Women 15+
Never married30.8%(3,050)
Married46.2%(4,573)
Widowed10.8%(1,069)
Divorced12.1%(1,197)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Drill deeper

Places similar to Portsmouth

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Pop 23,827
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Pop 22,819
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Pop 21,064
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Pop 25,526
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Head to head

Compare Portsmouth to nearby cities

PORTSMOUTH VS
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Income$97,163+218%
Home value$545,300+296%
Population10,101−56%
SEE FULL COMPARISON →
PORTSMOUTH VS
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Income$112,070+266%
Home value$498,000+261%
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PORTSMOUTH VS
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Income$94,829+210%
Home value$436,700+217%
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PORTSMOUTH VS
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Income$87,346+186%
Home value$357,500+159%
Population9,964−57%
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Frequently asked

How many people live in Portsmouth, New Hampshire?

Portsmouth, New Hampshire has about 25,925 residents according to the 1990 Census.

What is the median household income in Portsmouth, New Hampshire?

The typical household in Portsmouth, New Hampshire earns about $30,591 a year. Half of households make more than that, and half make less.

Is Portsmouth, New Hampshire expensive?

In Portsmouth, New Hampshire, the median home is worth about $137,800, and the typical rent is about $553 a month.

How educated are people in Portsmouth, New Hampshire?

About 26.6% of adults age 25 and over in Portsmouth, New Hampshire hold a bachelor's degree or higher.

What is the poverty rate in Portsmouth, New Hampshire?

About 6.7% of people in Portsmouth, New Hampshire live below the federal poverty line.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →