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CITY

South Portland

Maine · 27,007 residents (2025 est.) · 12.044 sq mi
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The short version

South Portland has roughly average household income, with a median household income of $86,838. Population has grown 15% since 2000. 52% of adults hold a bachelor's degree or higher, well above the national rate of 36%. Median home value has more than tripled since 2000, reaching $441,200.

At a glance
Wealthier
above the US median
US median: $82,259
Mid-age
median age 40.9
US median: 38.9
More educated
52% hold a bachelor's degree
US average: 36%
Less affordable
home values up 114%, inflation adjusted
US median home: $376,019
Section 01

Population & growth

Total population
26,930
+15%since 2000
from 23,324 in 2000
1990 – 2025
Population density
2,236 / sq mi
+15%since 2000
from 1,937 / sq mi in 2000
US average: 281
Median age
40.9
+8%since 2000
from 37.9 in 2000
US average: 38.9

PEP 2025 EST:27,007 residents (Census Bureau Vintage 2025, released March 2026)

Population, 1990 – 2024
23K24K25K26K27K1990201020202024South Portland
202427K
1990201020202024
Section 02

Income & economy

Median household income
$86,838
+11%inflation adjusted, since 2000
from $42,770 in 2000
US average: $82,259
1990 – 2024
Per capita income
$50,723
+123%since 2000
from $22,781 in 2000
US average: $44,673
Households earning $100K+
56.8%
+28.3 ptssince 2009
from 28.5% in 2009
US average: 53.3%
Poverty rate
6.9%
+0.3 ptssince 2000
from 6.7% in 2000
US average: 12.5%
Income inequality (Gini)
0.423
+3%since 2010
from 0.409 in 2010
US average: 0.476
Workforce by industry, 2024
Information13.7%
US avg: 10.8%
Other services7.5%
US avg: 6.7%
Retail trade6.8%
US avg: 9.9%
Public administration6%
US avg: 4.8%
Wholesale trade5.7%
US avg: 6.9%
Finance & insurance5.4%
US avg: 5.9%
Professional, scientific, technical4.4%
US avg: 5.1%
Arts, entertainment, food2.2%
US avg: 1.9%
Transportation & warehousing1.7%
US avg: 2.2%
Education & health services1%
US avg: 0.9%
Agriculture, forestry, fishing0.5%
US avg: 1.6%
Construction0.5%
US avg: 1.2%
Manufacturing0%
US avg: 0.4%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$441,200
+114%inflation adjusted, since 2000
from $113,400 in 2000
US average: $376,019
1990 – 2024
Median gross rent
$1,812
+55%inflation adjusted, since 2000
from $643 in 2000
US average: $1,442
Owner-occupied
58.1%
−6.2 ptssince 2000
from 64.4% in 2000
41.9% rent
Vacancy rate
4.9%
+0.3 ptssince 2009
from 4.6% in 2009
US average: 10.0%
Owner cost-burdened
21.9%
−17.3 ptssince 2009
from 39.2% in 2009
US average: 22.9%
Renter cost-burdened
53.2%
+4.1 ptssince 2009
from 49.1% in 2009
US average: 47.4%
Afford Score
5.1
+92%since 2000
from 2.7 in 2000
1990 – 2024
Gentrification Score
77
RELATED:See current rent listings in South Portland on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic95.2%(22,194)
Black0.6%(135)
Hispanic / Latino1.1%(263)
Asian1.6%(368)
Other0%
Diversity Score8.1%(1,901)
2024
White, non-Hispanic78.9%(21,242)
Black7.1%(1,925)
Hispanic / Latino4%(1,082)
Asian3.4%(911)
Other6.6%(1,770)
Diversity Score45.7%(12,308)
Diversity Score
46
+461%since 2000
from 8 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
51.7%
+23.8 ptssince 2000
from 28.0% in 2000
US average: 35.6%
High school or higher
95.9%
+6.2 ptssince 2000
from 89.7% in 2000
US average: 89.6%
Graduate degree
19.0%
+10.3 ptssince 2000
from 8.7% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
17.1 min
+54%since 2000
from 11.1 min in 2000
US average: 26.5
Drive alone to work
65.5%
−14.6 ptssince 2009
from 80.1% in 2009
US average: 68.9%
Carpooled to work
6.0%
−3.7 ptssince 2009
from 9.7% in 2009
US average: 8.5%
Public transit
0.4%
−0.6 ptssince 2009
from 1.0% in 2009
US average: 3.2%
Worked from home
19.5%
+15.0 ptssince 2009
from 4.5% in 2009
US average: 15.0%
Walked to work
4.7%
+1.3 ptssince 2009
from 3.3% in 2009
US average: 2.4%
Biked to work
1.1%
+0.4 ptssince 2009
from 0.7% in 2009
US average: 0.4%
No vehicle available
7.8%
+0.8 ptssince 2009
from 7.0% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
2.6%
−1.5 ptssince 2011
from 4.1% in 2011
US average: 5.2%
Labor force participation
72.0%
Unchangedsince 2011
from 72.1% in 2011
US average: 63.5%
Self-employed
11.7%
−2.3 ptssince 2009
from 14.0% in 2009
US average: 13.1%
Management & professional
47.5%
−23.3 ptssince 2009
from 70.8% in 2009
US average: 42.5%
Section 08

People & community

Male
46.2%
+0.8 ptssince 2009
from 45.4% in 2009
Female
53.8%
−0.8 ptssince 2009
from 54.6% in 2009
Foreign born
10.5%
+3.8 ptssince 2009
from 6.7% in 2009
US average: 14.1%
Veterans
5.3%
−38.8 ptssince 2009
from 44.2% in 2009
US average: 6.2%
With a disability
13.2%
+1.4 ptssince 2012
from 11.8% in 2012
US average: 13.3%
Uninsured
6.3%
−83.7 ptssince 2013
from 90.0% in 2013
US average: 8.4%
Broadband at home
91.7%
+7.5 ptssince 2017
from 84.2% in 2017
US average: 91.0%
English only at home
87.4%
−4.4 ptssince 2016
from 91.9% in 2016
US average: 77.7%
Spanish at home
2.1%
+1.2 ptssince 2016
from 0.9% in 2016
US average: 13.6%
Drill deeper

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Head to head

Compare South Portland to nearby cities

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SOUTH PORTLAND VS
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Home value$383,300−13%
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SOUTH PORTLAND VS
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SOUTH PORTLAND VS
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Population21,159−22%
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Frequently asked

How many people live in South Portland, Maine?

South Portland, Maine has about 26,930 residents according to the 2024 American Community Survey.

What is the median household income in South Portland, Maine?

The typical household in South Portland, Maine earns about $86,838 a year. Half of households make more than that, and half make less.

Is South Portland, Maine expensive?

In South Portland, Maine, the median home is worth about $441,200, and the typical rent is about $1,812 a month.

How educated are people in South Portland, Maine?

About 51.7% of adults age 25 and over in South Portland, Maine hold a bachelor's degree or higher.

What is the poverty rate in South Portland, Maine?

About 6.9% of people in South Portland, Maine live below the federal poverty line.

Has South Portland, Maine grown since 1990?

Yes, South Portland, Maine has grown since 1990. The population has added about 3,767 residents, a change of about 16 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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