Portsmouth Flag

Portsmouth

County:
Shelby County
County Seat:
No
Area (mi²):
0.307
State:
Iowa

Portsmouth is a city located in Shelby County, Iowa. Portsmouth has a 2025 population of 191. Portsmouth is currently growing at a rate of 0.53% annually and its population has increased by 2.69% since the most recent census, which recorded a population of 186 in 2020.

The average household income in Portsmouth is $87,070 with a poverty rate of 3%.The median age in Portsmouth is 43.5 years: 45.5 years for males, and 37.3 years for females.

191
Total Population
622
Density (mi²)
1 0.53%
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)