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Cousins Island, ME
Full City Profile · Maine · Cumberland County County
3.6
/5.0
B+
Good
509
Population
480/sq mi density
$121,250
Median Income
$77,249 per capita
$634,100
Home Value
$727,982 Zillow
46°F
Avg Temperature
259 sunny days/yr
35
Violent Crime/100K
869 property/100K
B+
Overall
3.6 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.6 / 5.0
$121,250 median income, 4.7% unemployment
B+
Affordability
3.7 / 5.0
$634,100 home value, /mo rent
F
Safety
1.0 / 5.0
35 violent crimes/100K
A+
Education
5.0 / 5.0
62.4% bachelor's degree or higher
Change Over Time (2013–2023)
Population Change
+2.2%
498 → 509
over 10 years
Annual Pop. Growth
+0.22%
Compound annual growth rate
Median Income Change
+23.8%
$97,917 → $121,250
nominal, not inflation-adjusted
Annual Income Growth
+2.16%
Compound annual growth rate
Population Over Time
Total population for Cousins Island 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
517
+8 from 2023 (509)
Projected Median Income 2030
$140,815
+$19,565 from 2023 ($121,250)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 498 | — | $97,917 | — |
| 2015 | 565 | +13.5% | $99,211 | +1.3% |
| 2017 | 564 | -0.2% | $102,656 | +3.5% |
| 2019 | 451 | -20% | $135,227 | +31.7% |
| 2021 | 433 | -4% | $175,643 | +29.9% |
| 2023 | 509 | +17.6% | $121,250 | -31% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.