South Portland, Maine Population 2024

27,477

South Portland is a city located in Cumberland County Maine. South Portland has a 2024 population of 27,477. South Portland is currently growing at a rate of 0.83% annually and its population has increased by 3.39% since the most recent census, which recorded a population of 26,575 in 2020.

The average household income in South Portland is $105,181 with a poverty rate of 5.23%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in South Portland is 41 years, 38.3 years for males, and 43.3 years for females.

South Portland Demographics

According to the most recent ACS, the racial composition of South Portland was:

  • White: 84.59%
  • Black or African American: 7.22%
  • Two or more races: 4.63%
  • Asian: 2.44%
  • Other race: 0.74%
  • Native American: 0.39%
  • Native Hawaiian or Pacific Islander: 0%
State
Maine
Land Area (mi²)
12.0 sq mi
Density (mi²)
2,281.50/sq mi
Growth Since 2020
3.39% (902)
The current population of South Portland, Maine is 27,477 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 26,575.

South Portland, Maine Population 2024

Population by Race

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Race
Population
Percentage (of total)
White22,54784.59%
Black or African American1,9247.22%
Two or more races1,2344.63%
Asian6512.44%
Other race1970.74%
Native American1030.39%
Native Hawaiian or Pacific Islander00%

White

Black or African American

Two or more races

Asian

Other race

Native American

Native Hawaiian or Pacific Islander

South Portland Population by Race

South Portland Population Pyramid 2024

South Portland Median Age

41

Total

38.3

Male

43.3

Female

South Portland Adults

There are 22,429 adults, (5,300 of whom are seniors) in South Portland.

South Portland Age Dependency

55.6

Age Dependency Ratio

30.9

Old Age Dependency Ratio

24.7

Child Dependency Ratio

South Portland Sex Ratio

Female13,86252%
Male12,79448%

South Portland Population by Age

South Portland Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All11,7692.2162.437.6
Non Family5,2671.3152.247.8
Married4,9892.9173.626.4
Female1,0463.1160.139.9
Male4672.936337

2.85

Average Family Size

2.21

Average Household Size

62.4%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

South Portland Households and Families

Male

Female

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Education Attained
Count
Percentage
Less Than 9th Grade2371.21%
9th to 12th Grade5122.62%
High School Graduate4,13921.15%
Some College3,21016.41%
Associates Degree1,8649.53%
Bachelors Degree6,25431.96%
Graduate Degree3,35017.12%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

South Portland Educational Attainment by Sex (over 25)

South Portland Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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Race
Total
High School
Bachelors
White16,99916,5968,603
Black1,052878342
2+ Races691622236
Asian466413256
Hispanic445395206
Other Race139125104
Native American68460

The highest rate of high school graduation is among white people with a rate of 97.63%.

The highest rate of bachelors degrees is among other race people with a rate of 74.82%.

South Portland Educational Attainment by Race

All

Male

Female

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Name
Average
Male
Female
Overall$50,534$54,363$44,590
Less Than 9th Grade$26,406$42,585$24,126
High School Graduate$37,852$42,629$33,146
Some College$45,629$51,045$38,914
Bachelors Degree$57,802$60,182$52,713
Graduate Degree$67,188$68,875$66,133

$50,534

Average Earnings

$54,363

Average Male

$44,590

Average Female

South Portland Earnings by Educational Attainment

South Portland Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

South Portland Language

88.66% of South Portland residents speak only English, while 11.34% speak other languages. The non-English language spoken by the largest group is Other languages, which is spoken by 4.87% of the population.

South Portland Language

South Portland Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White21,7361,1385.24%
Multiple1,1461059.16%
Hispanic709669.31%
Other1974422.34%
Asian620274.35%
Black1,832191.04%

5.23%

Overall Poverty Rate

4.12%

Male Poverty Rate

6.26%

Female Poverty Rate

Poverty in South Portland

The race most likely to be in poverty in South Portland is Other, with 22.34% below the poverty level.

The race least likely to be in poverty in South Portland is Black, with 1.04% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.58%. Among those working part-time, it was 6.28%, and for those that did not work, the poverty rate was 15.74%.

South Portland Poverty

rate

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Rate
Poverty
Less Than 9th Grade10.61%
Some College9.75%
High School9.55%
Bachelors or Greater2.18%

South Portland Poverty Rate by Education

rate

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Rate
Poverty
Female Unemployed34.39%
Male Unemployed7.34%
Female Employed2.19%
Male Employed1.26%

South Portland Poverty Rate by Employment Status and Sex

South Portland Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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Name
Median
Mean
Households$82,489$105,181
Families$102,544$125,948
Married Families$111,563$-999,999,999
Non Families$58,362$74,138

mean

median

Income by Household Type

South Portland Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

44.1%

Overall Marriage Rate

45.2%

Male Marriage Rate

43.0%

Female Marriage Rate

South Portland Married by Age and Sex

male

female

South Portland Marriage

The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 35-44.

South Portland Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

South Portland Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

1,419

Number of Veterans

1,348

Male Veterans

71

Female Veterans

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War
Veterans
Vietnam618
First Gulf War205
Second Gulf War132
Korea96
World War II62

South Portland Veterans by War

count

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Age Group
Veterans
75+480
65 to 74383
55 to 64237
35 to 54235
18 to 3484

South Portland Veterans by Age

count

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Name
Veterans
% of Total
White1,3186.87%
2+ Races738.45%
Asian172.89%
Other Race116.01%
Hispanic30.64%

South Portland Veterans by Race

South Portland Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

6.4%

Veteran Poverty Rate

31.72%

Veteran Disability Rate

South Portland Veterans by Education

LaborForceParticipation

72.8%

Labor Force Participation

69.8%

Employment Rate

2.9%

Unemployment Rate

South Portland Employment by Age

LaborForceParticipation

South Portland Employment by Race

LaborForceParticipation

South Portland Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

58.41%

Born in South Portland

90.13%

Native Born

9.87%

Foreign Born

5.97%

Non Citizen

3.91%

Naturalized

Place of Birth

90.13% of South Portland residents were born in the United States, with 58.41% having been born in Maine. 5.97% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Africa.

South Portland Place of Birth

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
202928,6042250.79%
202828,3792260.8%
202728,1532250.81%
202627,9282260.82%
202527,7022250.82%
202427,4772260.83%
202327,2512250.83%
202227,026-54-0.2%
202127,0805051.9%
202026,5759433.68%
201925,632-45-0.18%
201825,6771700.67%
201725,507-80-0.31%
201625,587290.11%
201525,558600.24%
201425,4982090.83%
201325,2891810.72%
201225,108330.13%
201125,075810.32%
201024,9941,6707.16%
200023,3241610.7%
199023,1634511.99%
198022,712-555-2.39%
197023,2674792.1%
196022,7889224.22%
195021,8666,08538.56%
194015,7811,94114.02%
193013,8404,58649.56%
19209,2541,78323.87%
19107,4711,18418.83%
19006,28700%
showing: 31 rows

South Portland Population by Year