South Portland Flag

South Portland

County Seat:
No
Area (mi²):
12.044
State:
Maine

South Portland is a city located in Cumberland County, Maine. South Portland has a 2025 population of 27,016. South Portland is currently growing at a rate of 0.33% annually and its population has increased by 1.66% since the most recent census, which recorded a population of 26,575 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.

27K
Total Population
2,243
Density (mi²)
88 0.33%
Growth

South Portland Population

South Portland Population

Data after 2023 is projected based on recent change

Demographics

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.

Population by Race

Race
Population
Percentage (of total)
White22,39283.61%
Black or African American1,8366.86%
Two or more races1,4875.55%
Asian7582.83%
Other race2370.88%
Native American610.23%
Native Hawaiian or Pacific Islander90.03%

South Portland Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

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%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$115,574-
Families$105,368$131,426
Households$84,563$107,100
Non Families$61,295$75,841

$53,937

Average Income

$84,563

Median Household Income

6%

Poverty Rate

Nearby Cities

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)