South Portland

County:: Cumberland County
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.

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

White

Black or African American

Two or more races

Asian

Other race

Native American

Native Hawaiian or Pacific Islander

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%

South Portland Marital Status

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