South Portland, Maine Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of South Portland, Maine is 26,780 as of the 2023 American Community Survey, making it the 4th-largest city in Maine. The median household income is $84,563, the median home value is $405,800, and the median age is 40.7.
The population has grown 8.0% since 2010 (24,994 → 26,994).
26,780
Population
2223
People / sq mi
$84,563
Median Income
$405,800
Median Home Value
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South Portland covers 12.0 sq mi of land at 2223 people per square mile.
About South Portland, ME
The poverty rate is what most separates South Portland from the typical city: 2.3% of residents live below the federal poverty line, against 12.4% nationally. South Portland is a city in Maine with a population of 26,780. That makes it one of the ten largest cities in Maine in the country, at #4 by population.
Household earnings are middling, with a median of $84,563 — above the US median of $78,538. Poverty is among the lowest of comparable US cities, at 2.3% — below the national 12.4%. The typical home is valued at $405,800, with typical rent around $1,648.
About 49.3% of adults 25 and older have a bachelor’s degree, above the 35.0% national figure. Remote work is on the higher side at 15.9%, above the national 14.0%, and the average commute runs about 18 minutes each way.
South Portland city Population History (2010-2024)
The city of South Portland city had a population of 24,994 in 2010 and 26,994 in 2024, a 8.0% growth over 14 years. The peak was 27,082 in 2021. Average annual growth rate: 0.56%.
26,994
Population (2024)
24,994
Population (2010)
27,082
Peak (2021)
0.56%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 24,994 |
| 2011 | 25,072 |
| 2012 | 25,100 |
| 2013 | 25,277 |
| 2014 | 25,481 |
| 2015 | 25,536 |
| 2016 | 25,556 |
| 2017 | 25,474 |
| 2018 | 25,616 |
| 2019 | 25,532 |
| 2020 | 26,581 |
| 2021 | 27,082 |
| 2022 | 27,060 |
| 2023 | 26,950 |
| 2024 | 26,994 |
Race & Ethnicity
| White | 83.6% |
| Black or African American | 6.9% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.8% |
| Two or More Races | 0.0% |
Economy & Income
$84,563
Median Household Income
$49,719
Per Capita Income
2.3%
Poverty Rate
2.0%
Unemployment Rate
Housing
$405,800
Median Home Value
$1,648
Median Rent
60.3%
Owner-Occupied
Education
95.4%
High School+
49.3%
Bachelor's+
Commute
1.1%
Drive Alone
71.9%
Public Transit
15.9%
Work From Home
17.9 min
Avg Commute
Community Profile
32.8%
Foreign Born
88.7%
Non-English at Home
5.8%
Veterans
12.7%
With Disability
94.2%
Health Insurance
94.8%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 27.9% |
| Finance, Insurance & Real Estate | 11.8% |
| Education, Health Care & Social Services | 11.0% |
| Information | 8.2% |
| Manufacturing | 8.0% |
| Retail Trade | 5.6% |
| Construction | 5.3% |
| Transportation & Warehousing | 2.9% |
| Arts, Entertainment & Food Services | 2.7% |
| Public Administration | 1.6% |
| Agriculture & Mining | 0.2% |
Largest cities in Maine
Largest counties in Maine
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Metro areas in Maine
City rankings
Frequently Asked Questions
South Portland, Maine has a population of 26,780 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 4th-largest city in Maine.
The median household income in South Portland, Maine is $84,563, with 2.3% of residents living below the federal poverty level.
The median home value in South Portland, Maine is $405,800, with median monthly rent at $1,648 and a homeownership rate of 60.3%.
The median age in South Portland, Maine is 40.7 years. The population is 48.4% male and 51.6% female.
The population has grown 8.0% since 2010 (24,994 → 26,994).
Where to stay in South Portland
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Statewide data for Maine
Population, race, income, age, and trends across Maine
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.