Portsmouth Population

1820–2026

17,099

2026 projection

6.3% since 2020 (decrease)

010K20K30K40K50K1850190019502000

Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal 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%
202117,756-4962.72%
202018,252-3021.63%
201918,554-2921.55%
201818,846-3761.96%
201719,222-920.48%

Showing 10 of 36 years.

The 2020 row compares the April 1 Census count with the July 1, 2019 estimate (about nine months). Its Growth and Annual change therefore do not represent a full year.

Growth since 2020, compared

Portsmouth has a population change lower than Scioto County, Ohio, and the U.S.

  • United States+3.1%
  • Ohio+0.9%
  • Scioto County−3.4%
  • Portsmouth−5.0%

Change from July 1, 2020 to July 1, 2025 population estimates—not annualized growth or site projections.

Source: U.S. Census Bureau. U.S. totals are summed from the 50 states and D.C.; unavailable comparisons are omitted.

Portsmouth Demographics

39median age

Median age

Female40.6 yrs
Male35.8 yrs

Adults

14,163
3,344 seniors (65+) · 24% of adults10,819 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