New Hampshire / Census place 3362900

Portsmouth

A Census profile of the people, homes, and daily patterns that shape this place.

Official Census name: Portsmouth city

At a glance

A city in numbers.

Population
23,028
2025 estimate
Annual change
+0.6%
Population estimate
Density
1,470/sq mi
15.7 sq mi land area
Median age
42.9 years
ACS 5-year estimate

Living here

The everyday equation.

Households, homes, education, and the time it takes to get around.

Median household income
$106,219
Median home value
$688,500
Median gross rent
$1,869
Bachelor’s degree or higher
64%
Typical commute
22.2 min
Public transit commute
0.9%

Climate normals

The long view of weather.

Thirty-year averages, not a forecast. Temperature and precipitation describe the typical conditions recorded from 1991 through 2020.

Representative station: DURHAM 2 SSW (9 mi from place center)
Average high
57.4°F
Average low
36.4°F
Annual rainfall
47"
Annual snowfall
0"

Month by month

A year in Portsmouth.

Typical high and low °F
JFMAMJJASOND
Typical precipitation inches
J
F
M
A
M
J
J
A
S
O
N
D

Data vintage

Population is from the 2025 Population Estimates Program. Household, housing, education, and commute data are from the 2020-2024 American Community Survey 5-year release.

Similar places

More places to consider.

Selected by the closest mix of population, density, median home value, and average annual high.

WA

Anacortes, WA

Population, housing, work, and travel data for this Census place.

Population
18,080
Median home
$696,700
MN

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Population, housing, work, and travel data for this Census place.

Population
25,748
Median home
$566,300
CA

South Lake Tahoe, CA

Population, housing, work, and travel data for this Census place.

Population
21,115
Median home
$682,400

Keep exploring

Compare Portsmouth with Anacortes