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.
Data after 2023 is projected based on recent change
The racial composition of Portsmouth includes 87% White, and smaller percentages for and multiracial populations.
Race | Population | Percentage (of total) |
---|---|---|
White | 174 | 87% |
Two or more races | 26 | 13% |
Married
Widowed
Divorced
Separated
Never Married
Portsmouth's average per capita income is $60,208. Household income levels show a median of $79,643. The poverty rate stands at 3%.
Name | Median | Mean |
---|---|---|
Married Families | $120,833 | - |
Families | $97,083 | $102,794 |
Households | $79,643 | $87,070 |
Non Families | $70,357 | $57,474 |
Average Income
Median Household Income
Poverty Rate