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CITY · 1990 CENSUS

South Portland

Maine · 23,163 residents · 12.044 sq mi
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The short version

South Portland has roughly average household income, with a median household income of $31,877. Population has held roughly steady since 2000. Median home value is $105,400.

At a glance
Wealthier
above the US median
US median: $30,130
Mid-age
median age 34.1
US median: 33.0
Average education
21% hold a bachelor's degree
US average: 20%
Stable housing
home values roughly flat, inflation adjusted
US median home: $93,722
Section 01

Population & growth

23,163
−1%vs 2000
vs 23,324 in 2000
1990 – 2025
1,923 / sq mi
−1%vs 2000
vs 1,937 / sq mi in 2000
US average: 221
34.1
−10%vs 2000
vs 37.9 in 2000
US average: 33.0
Population, 19902024
23K24K25K26K27K1990201020202024South Portland
202427K
1990201020202024
Section 02

Income & economy

$31,877
−2%inflation adjusted, since 2000
vs $42,770 in 2000
US average: $30,130
1990 – 2024
$14,885
−35%vs 2000
vs $22,781 in 2000
US average: $14,340
7.2%
+0.5 ptsvs 2000
vs 6.7% in 2000
US average: 13.2%
Section 03

Housing

$105,400
+22%inflation adjusted, since 2000
vs $113,400 in 2000
US average: $93,722
1990 – 2024
$531
+9%inflation adjusted, since 2000
vs $643 in 2000
US average: $450
62.6%
−1.8 ptsvs 2000
vs 64.4% in 2000
37.4% rent
3.3
+25%vs 2000
vs 2.7 in 2000
1990 – 2024
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)
1990
White, non-Hispanic98.6%(22,845)
Black0.3%(60)
Hispanic / Latino0.9%(206)
Asian0.9%(216)
Other0.2%(42)
Diversity Score5.5%(1,279)
6
−32%vs 2000
vs 8 in 2000
1990 – 2024
Section 05

Education

21.4%
−6.5 ptsvs 2000
vs 28.0% in 2000
US average: 20.3%
High school or higher
85.5%
−4.2 ptsvs 2000
vs 89.7% in 2000
US average: 75.2%
6.1%
−2.7 ptsvs 2000
vs 8.7% in 2000
US average: 7.1%
Section 06

Commute & transportation

15.4 min
+38%vs 2000
vs 11.1 min in 2000
US average: 21.9
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

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Frequently asked

How many people live in South Portland, Maine?

South Portland, Maine has about 23,163 residents according to the 1990 Census.

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

The typical household in South Portland, Maine earns about $31,877 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 $105,400, and the typical rent is about $531 a month.

How educated are people in South Portland, Maine?

About 21.4% 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 7.2% of people in South Portland, Maine live below the federal poverty line.

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

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