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CITY · 2000 CENSUS

South Portland

Maine · 23,324 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 $42,770. Population has held roughly steady since 1990. Median home value is $113,400.

At a glance
Average income
near the US median
US median: $42,589
Older
median age 37.9
US median: 35.2
More educated
28% hold a bachelor's degree
US average: 24%
More affordable
home values down 18%, inflation adjusted
US median home: $120,530
Section 01

Population & growth

23,324
+1%since 1990
from 23,163 in 1990
1990 – 2025
1,937 / sq mi
+1%since 1990
from 1,923 / sq mi in 1990
US average: 242
37.9
+11%since 1990
from 34.1 in 1990
US average: 35.2
Population, 19902024
23K24K25K26K27K1990201020202024South Portland
202427K
1990201020202024
Section 02

Income & economy

$42,770
+2%inflation adjusted, since 1990
from $31,877 in 1990
US average: $42,589
1990 – 2024
$22,781
+53%since 1990
from $14,885 in 1990
US average: $21,522
6.7%
−0.5 ptssince 1990
from 7.2% in 1990
US average: 12.4%
Section 03

Housing

$113,400
−18%inflation adjusted, since 1990
from $105,400 in 1990
US average: $120,530
1990 – 2024
$643
−8%inflation adjusted, since 1990
from $531 in 1990
US average: $602
64.4%
+1.8 ptssince 1990
from 62.6% in 1990
35.6% rent
2.7
−20%since 1990
from 3.3 in 1990
1990 – 2024
RELATED:See current rent listings in South Portland on RentDataNow
Section 04

Race & ethnicity

1990
White, non-Hispanic98.6%(22,845)
Black0.3%(60)
Hispanic / Latino0.9%(206)
Asian0.9%(216)
Diversity Score5.5%(1,279)
2000
White, non-Hispanic95.2%(22,194)
Black0.6%(135)
Hispanic / Latino1.1%(263)
Asian1.6%(368)
Diversity Score8.1%(1,901)
8
+48%since 1990
from 6 in 1990
1990 – 2024
Section 05

Education

28.0%
+6.5 ptssince 1990
from 21.4% in 1990
US average: 24.4%
High school or higher
89.7%
+4.2 ptssince 1990
from 85.5% in 1990
US average: 80.3%
8.7%
+2.7 ptssince 1990
from 6.1% in 1990
US average: 8.8%
Section 06

Commute & transportation

11.1 min
−28%since 1990
from 15.4 min in 1990
US average: 17.6
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 23,324 residents according to the 2000 Census.

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

The typical household in South Portland, Maine earns about $42,770 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 $113,400, and the typical rent is about $643 a month.

How educated are people in South Portland, Maine?

About 28.0% 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 6.7% 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 161 residents, a change of about 1 percent over that period.

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

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