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Duck Key, FL
Full City Profile · Florida · Monroe County County
3.7
/5.0
B+
Good
755
Population
1,258/sq mi density
$135,000
Median Income
$71,649 per capita
$989,900
Home Value
$864,975 Zillow
$3,501
Median Rent
26.8% income on rent
78°F
Avg Temperature
330 sunny days/yr
B+
Overall
3.7 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
5.0 / 5.0
$135,000 median income, 1.4% unemployment
C+
Affordability
2.5 / 5.0
$989,900 home value, $3,501/mo rent
C+
Safety
2.5 / 5.0
0 violent crimes/100K
A+
Education
4.9 / 5.0
48.8% bachelor's degree or higher
Change Over Time (2013–2023)
Population Change
+52.2%
496 → 755
over 10 years
Annual Pop. Growth
+4.29%
Compound annual growth rate
Median Income Change
+154.8%
$52,985 → $135,000
nominal, not inflation-adjusted
Annual Income Growth
+9.8%
Compound annual growth rate
Population Over Time
Total population for Duck Key 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
1,013
+258 from 2023 (755)
Projected Median Income 2030
$259,747
+$124,747 from 2023 ($135,000)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 496 | — | $52,985 | — |
| 2015 | 665 | +34.1% | $65,500 | +23.6% |
| 2017 | 727 | +9.3% | $65,667 | +0.3% |
| 2019 | 741 | +1.9% | $68,750 | +4.7% |
| 2021 | 783 | +5.7% | $103,214 | +50.1% |
| 2023 | 755 | -3.6% | $135,000 | +30.8% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.