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CITY · 2000 CENSUS

Portsmouth

New Hampshire · 20,784 residents · 15.661 sq mi
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The short version

Portsmouth has roughly average household income, with a median household income of $45,195. Population has fallen 20% since 1990, a loss of 5,141 residents. 42% of adults hold a bachelor's degree or higher, well above the national rate of 24%. Median home value is $164,500.

At a glance
Wealthier
above the US median
US median: $42,589
Older
median age 38.5
US median: 35.2
More educated
42% hold a bachelor's degree
US average: 24%
More affordable
home values down 9%, inflation adjusted
US median home: $120,530
Section 01

Population & growth

20,784
−20%since 1990
from 25,925 in 1990
1990 – 2025
1,327 / sq mi
−20%since 1990
from 1,655 / sq mi in 1990
US average: 242
38.5
+24%since 1990
from 31.1 in 1990
US average: 35.2
Population, 19902024
20K22K23K25K26K1990201020202024Portsmouth
202423K
1990201020202024
Section 02

Income & economy

$45,195
+12%inflation adjusted, since 1990
from $30,591 in 1990
US average: $42,589
1990 – 2024
$27,540
+77%since 1990
from $15,557 in 1990
US average: $21,522
9.3%
+2.6 ptssince 1990
from 6.7% in 1990
US average: 12.4%
Section 03

Housing

$164,500
−9%inflation adjusted, since 1990
from $137,800 in 1990
US average: $120,530
1990 – 2024
$727
Unchangedinflation adjusted, since 1990
from $553 in 1990
US average: $602
50.0%
+8.1 ptssince 1990
from 41.9% in 1990
50.0% rent
3.6
−19%since 1990
from 4.5 in 1990
1990 – 2024
RELATED:See current rent listings in Portsmouth on RentDataNow
Section 04

Race & ethnicity

1990
White, non-Hispanic92.4%(23,945)
Black4.8%(1,255)
Hispanic / Latino2.3%(585)
Asian1.6%(414)
Diversity Score22.6%(5,867)
2000
White, non-Hispanic92.7%(19,263)
Black2%(416)
Hispanic / Latino1.3%(280)
Asian2.4%(507)
Diversity Score14.1%(2,933)
14
−38%since 1990
from 23 in 1990
1990 – 2024
Section 05

Education

41.9%
+15.4 ptssince 1990
from 26.6% in 1990
US average: 24.4%
High school or higher
91.4%
+2.6 ptssince 1990
from 88.8% in 1990
US average: 80.3%
13.9%
+6.0 ptssince 1990
from 8.0% in 1990
US average: 8.8%
Section 06

Commute & transportation

15.7 min
−8%since 1990
from 17.0 min in 1990
US average: 17.6
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

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Frequently asked

How many people live in Portsmouth, New Hampshire?

Portsmouth, New Hampshire has about 20,784 residents according to the 2000 Census.

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

The typical household in Portsmouth, New Hampshire earns about $45,195 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 $164,500, and the typical rent is about $727 a month.

How educated are people in Portsmouth, New Hampshire?

About 41.9% 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 9.3% of people in Portsmouth, New Hampshire live below the federal poverty line.

Has Portsmouth, New Hampshire grown since 1990?

Yes, Portsmouth, New Hampshire has shrunk since 1990. The population has lost about 5,141 residents, a change of about -20 percent over that period.

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

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