South Portland, Maine Population 2024

26,928
10K15K20K25K1900191019201930194019501960197019801990200020102020YearPopulation

South Portland Demographics

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

  • 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%
State
Maine
Land Area (mi²)
12.0 sq mi
Density (mi²)
2,235.90/sq mi
Growth Since 2020
1.33% (353)
The current population of South Portland, Maine is 26,928 based on our projections of the latest US Census estimates (released May 2024). The last official US Census in 2020 recorded the population at 26,575.

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%
83.61%6.86%5.55%Race

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

010203040506070801.3K1.2K1.1K1K900800700600500400300200100001002003004005006007008009001K1.1K1.2K1.3KMaleFemale

South Portland Median Age

40.7

Total

38.4

Male

43.4

Female

South Portland Adults

There are 22,634 adults, (5,251 of whom are seniors) in South Portland.

South Portland Age Dependency

54.1

Age Dependency Ratio

30.2

Old Age Dependency Ratio

23.9

Child Dependency Ratio

South Portland Sex Ratio

Female13,80651.55%
Male12,97448.45%

South Portland Population by Age

South Portland Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All12,1482.1560.339.7
Non Family5,6981.3149.850.2
Married4,9422.8873.726.3
Female1,0452.8952.747.3
Male4632.9664.635.4

2.8

Average Family Size

2.15

Average Household Size

60.3%

Rate of Home Ownership

40.68%8.6%46.9%Households by Type

Married

Male

Female

NonFamily

MarriedMaleAllFemaleNon Family00.10.20.30.40.50.60.70.80.91

owner

renter

South Portland Households and Families

Less Than 9th Grade9th to 12th GradeHigh School GraduateSome CollegeAssociates DegreeBachelors DegreeGraduate Degree05001K1.5K2K2.5K3K3.5K

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade5632.86%
Associates Degree1,8979.64%
Bachelors Degree6,13531.19%
Graduate Degree3,55518.07%
High School Graduate4,20421.37%
Less Than 9th Grade3461.76%
Some College2,97015.1%
21.37%15.1%9.64%31.19%18.07%Over 25 Education

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

IslanderWhite2+ RacesAsianHispanicBlackOther RaceNative American0%20%40%60%80%100%

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White16,95116,4308,580
Black1,044848374
2+ Races877829359
Hispanic493414243
Asian464399246
Other Race15211059
Native American32120
Islander990

The highest rate of high school graduation is among islander people with a rate of 100%.

The highest rate of bachelors degrees is among asian people with a rate of 53.02%.

South Portland Educational Attainment by Race

OverallLess Than 9th GradeHigh School GraduateSome CollegeBachelors DegreeGraduate Degree$0$20,000$40,000$60,000$80,000

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$58,926$65,899$52,500
Graduate Degree$74,356$79,597$71,684
High School Graduate$39,920$44,085$36,380
Less Than 9th Grade$26,763$41,389$24,766
Overall$53,937$58,609$48,542
Some College$48,444$52,873$41,033

$53,937

Average Earnings

$58,609

Average Male

$48,542

Average Female

South Portland Earnings by Educational Attainment

South Portland Language by Age

88.71%Languages

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

South Portland Language

88.71% of South Portland residents speak only English, while 11.29% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 4.16% of the population.

South Portland Language

South Portland Poverty by Race

IslanderOtherBlackMultipleHispanicAsianWhite0%10%20%30%40%50%60%70%80%90%100%

rate

Name
Total
In Poverty
Poverty Rate
White21,6161,1795.45%
Black1,7321548.89%
Multiple1,4201268.87%
Hispanic833627.44%
Other2374518.99%
Asian710436.06%
Islander99100%

6%

Overall Poverty Rate

5.35%

Male Poverty Rate

6.61%

Female Poverty Rate

Poverty in South Portland

The race most likely to be in poverty in South Portland is Islander, with 100% below the poverty level.

The race least likely to be in poverty in South Portland is White, with 5.45% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.96%. Among those working part-time, it was 8.01%, and for those that did not work, the poverty rate was 15.82%.

South Portland Poverty

Less Than 9th GradeHigh SchoolSome CollegeBachelors or Greater0%1%2%3%4%5%6%7%8%9%10%11%12%13%

rate

Rate
Poverty
High School12.31%
Less Than 9th Grade9.76%
Some College8.24%
Bachelors or Greater2.82%

South Portland Poverty Rate by Education

Male EmployedMale UnemployedFemale EmployedFemale Unemployed0%5%10%15%20%25%30%35%40%45%

rate

Rate
Poverty
Female Unemployed43.68%
Male Unemployed11.76%
Female Employed2.43%
Male Employed1.83%

South Portland Poverty Rate by Employment Status and Sex

South Portland Income by Household Type

Under10k10kTo15k15kTo25k25kTo35k35kTo50k50kTo75k75kTo100k100kTo150k150kTo200kOver200k0510152025

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$105,368$131,426
Households$84,563$107,100
Married Families$115,574$-999,999,999
Non Families$61,295$75,841
HouseholdsFamiliesMarried FamiliesNon Families020,00040,00060,00080,000100,000120,000140,000

mean

median

Income by Household Type

South Portland Marital Status

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

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

43.7%

Overall Marriage Rate

44.8%

Male Marriage Rate

42.8%

Female Marriage Rate

South Portland Married by Age and Sex

35-4445-5455-64Over 6520-340102030405060

male

female

South Portland Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 35-44.

South Portland Marital Status by Race

OtherRaceIndianWhiteWhiteNonHispanicBlackHispanicTwoOrMoreRacesAsianHawaiian0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

NeverMarried

South Portland Marital Status

15.31%21.63%49.19%9.47%Veterans by War

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

1,308

Number of Veterans

1,205

Male Veterans

103

Female Veterans

War
Veterans
Vietnam514
First Gulf War226
Second Gulf War160
Korea99
World War II46

South Portland Veterans by War

18 to 3435 to 5455 to 6465 to 7475+050100150200250300350400450500

count

Age Group
Veterans
75+461
65 to 74270
55 to 64267
35 to 54218
18 to 3492

South Portland Veterans by Age

White2+ RacesHispanic01002003004005006007008009001,0001,1001,2001,300

count

Name
Veterans
% of Total
White1,2246.4%
2+ Races847.5%
Hispanic81.4%

South Portland Veterans by Race

South Portland Veterans by Education

9.79%27.91%33.94%28.36%Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

7.41%

Veteran Poverty Rate

33.56%

Veteran Disability Rate

South Portland Veterans by Education

16 - 1920 - 2425 - 2930 - 3435 - 4445 - 5455 - 5960 - 6465 - 7475+0102030405060708090100

LaborForceParticipation

72.9%

Labor Force Participation

70.1%

Employment Rate

2.8%

Unemployment Rate

South Portland Employment by Age

IslanderOther RaceAsianBlackHispanicWhiteWhite Non-Hispanic2+ RacesNative American0102030405060708090100

LaborForceParticipation

South Portland Employment by Race

Less Than High SchoolHigh School GraduateSome CollegeBachelors or Greater0102030405060708090100

LaborForceParticipation

South Portland Employment by Education

Origin of Non-Citizens

15.11%65.92%12.54%Origin

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

16.78%52.21%9.91%11.89%9.21%Origin

Europe

Asia

Africa

Oceania

Latin America

North America

57.07%

Born in South Portland

90.99%

Native Born

9.01%

Foreign Born

5.81%

Non Citizen

3.2%

Naturalized

Place of Birth

90.99% of South Portland residents were born in the United States, with 57.07% having been born in Maine. 5.81% 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
Year
Population
Growth
Change
202927,369880.32%
202827,281880.32%
202727,193890.33%
202627,104880.33%
202527,016880.33%
202426,928880.33%
202326,840-179-0.66%
202227,019-58-0.21%
202127,0775021.89%
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%
201024,99400%
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%
19006,287-21,082-77.03%

South Portland Population by Year