All Countries
South Portland, ME
Full City Profile · Maine · Cumberland County County
3.7
/5.0
B+
Good
26,780
Population
2,222/sq mi density
$84,563
Median Income
$49,719 per capita
$405,800
Home Value
$501,480 Zillow
$1,648
Median Rent
30.8% income on rent
48°F
Avg Temperature
246 sunny days/yr
187
Violent Crime/100K
2,192 property/100K
B+
Overall
3.7 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.7 / 5.0
$84,563 median income, 2.0% unemployment
B+
Affordability
4.0 / 5.0
$405,800 home value, $1,648/mo rent
F
Safety
1.0 / 5.0
187 violent crimes/100K
A+
Education
4.9 / 5.0
49.3% bachelor's degree or higher
Change Over Time (2013–2023)
Population Change
+6.6%
25,289 → 26,950
over 10 years
Annual Pop. Growth
+0.64%
Compound annual growth rate
Median Income Change
+60%
$52,839 → $84,563
nominal, not inflation-adjusted
Annual Income Growth
+4.81%
Compound annual growth rate
Population Over Time
Total population for South Portland across each available Census ACS release.
Median Household Income Over Time
Median household income reported by U.S. Census ACS. Values are nominal (not adjusted for inflation).
Projected 2030
Simple projections extrapolating the 2013–2023 compound annual growth rate forward. These are mathematical extensions of recent trends, not forecasts — real outcomes depend on migration, policy and economic shifts.
Projected Population 2030
28,181
+1,231 from 2023 (26,950)
Projected Median Income 2030
$117,490
+$32,927 from 2023 ($84,563)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 25,289 | — | $52,839 | — |
| 2015 | 25,558 | +1.1% | $54,598 | +3.3% |
| 2017 | 25,507 | -0.2% | $59,515 | +9% |
| 2019 | 25,632 | +0.5% | $69,290 | +16.4% |
| 2021 | 26,993 | +5.3% | $73,899 | +6.7% |
| 2023 | 26,950 | -0.2% | $84,563 | +14.4% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.