Portsmouth Flag

Portsmouth

County:
Scioto County
County Seat:
Yes
Area (mi²):
10.729
State:
Ohio

Portsmouth is a city located in Scioto County, Ohio. Portsmouth has a 2025 population of 17,309 . It is also the county seat of Scioto County . Portsmouth is currently declining at a rate of -1.03% annually and its population has decreased by -4.93% since the most recent census, which recorded a population of 18,207 in 2020.

The average household income in Portsmouth is $55,522 with a poverty rate of 37.49%. The median age in Portsmouth is 37.1 years: 36 years for males, and 37.5 years for females. For every 100 females there are 88.2 males.

17.3K
Total Population
1,613
Density (mi²)
-180 -1.03%
Growth

Portsmouth Population

Demographics

Economics and Income Statistics

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)