Portsmouth Population

1820–2026

17,099

2026 projection

6% since 2020 (decrease)

010K20K30K40K50K1850190019502000

Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Portsmouth. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202617,099-1831.06%
202517,282-1710.98%
202417,453-710.41%
202317,524-170.10%
202217,541-2151.21%
202117,756-4292.36%
202018,185-1,8009.01%
201919,985-1370.68%
201820,122-2211.09%
201720,343+630.31%

Showing 10 of 36 years.

Portsmouth Demographics

39median age

Median age

Female40.6 yrs
Male35.8 yrs

Adults

14,163
3,344 seniors · 24%10,819 other adults

Sex

Female 52.6% · 9,330Male 47.4% · 8,398

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 177 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Portsmouth Income

$34,713median household income

Median household income

$34,713

Half of households earn more, half earn less

Median earnings

$37,275

Typical yearly pay for a worker 25 or older.

Poverty rate

35.4%

About 1 in 3 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Portsmouth Marital Status

32% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married32%34%31%
Never married42%48%36%
Divorced16%12%20%
Widowed8%3%12%
Separated2%2%3%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201