South Portland is a city located in Cumberland County, Maine. South Portland has a 2026 population of 27,200. South Portland is currently growing at a rate of 0.38% annually and its population has increased by 2.33% since the most recent census, which recorded a population of 26,581 in 2020.
The median household income in South Portland is $86,838 with a poverty rate of 6.94%. The median age in South Portland is 40.9 years: 38.8 years for males, and 43.5 years for females. For every 100 females there are 86.0 males.
Data after 2023 is projected based on recent change
Overall: 40.9 years
Female: 43.5 years
Male: 38.8 years
There are 22,979 adults, (5,580 of whom are seniors) in South Portland.
Female: 14,477 (53.8%)
Male: 12,453 (46.2%)
The racial composition of South Portland includes 79.94% White, 7.2% Black or African American, 3.38% Asian, and smaller percentages for other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 21,529 | 79.94% |
| Two or more races | 2,046 | 7.6% |
| Black or African American | 1,939 | 7.2% |
| Asian | 911 | 3.38% |
| Other race | 427 | 1.59% |
| Native American | 70 | 0.26% |
| Native Hawaiian or Pacific Islander | 8 | 0.03% |
South Portland 's average per capita income is $55,975. Household income levels show a median of $86,838. The poverty rate stands at 6.94%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $122,722 | - |
| Families | $108,926 | $136,135 |
| Households | $86,838 | $109,425 |
| Non Families | $64,509 | $75,498 |
Average Income
Median Household Income
Poverty Rate