South Portland is a city located in Cumberland County, Maine. South Portland has a 2025 population of 27,097 . South Portland is currently growing at a rate of 0.38% annually and its population has increased by 1.94% since the most recent census, which recorded a population of 26,581 in 2020.
The average household income in South Portland is $107,100 with a poverty rate of 6%. The median age in South Portland is 40.7 years: 38.4 years for males, and 43.4 years for females. For every 100 females there are 94.0 males.
Data after 2023 is projected based on recent change
The racial composition of South Portland includes 83.61% White, 6.86% Black or African American, and smaller percentages for Asian, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
White (83.61%)
Black or African American (6.86%)
Two or more races (5.55%)
Asian (2.83%)
Other race (0.88%)
Native American (0.23%)
Native Hawaiian or Pacific Islander (0.03%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 22,392 | 83.61% |
| Black or African American | 1,836 | 6.86% |
| Two or more races | 1,487 | 5.55% |
| Asian | 758 | 2.83% |
| Other race | 237 | 0.88% |
| Native American | 61 | 0.23% |
| Native Hawaiian or Pacific Islander | 9 | 0.03% |
Married
Widowed
Divorced
Separated
Never Married
South Portland's average per capita income is $53,937. Household income levels show a median of $84,563. The poverty rate stands at 6%.
Name | Median | Mean |
|---|---|---|
| Married Families | $115,574 | - |
| Families | $105,368 | $131,426 |
| Households | $84,563 | $107,100 |
| Non Families | $61,295 | $75,841 |
Average Income
Median Household Income
Poverty Rate