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Statistics · City
estimate
Children under 18 in Duck Key
2013 – 2024 · 12 data points
371 of 391 · Towns of Florida
Updated Oct 27, 2026
Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2013 – 2024
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Overview
7 figures
People
21 figures
Economy
20 figures
Housing
8 figures
Education
10 figures
Tourism
3 figures
Climate
8 figures
Latest value · 2024
4.5%
−1.5 pp
since 2023
Towns of Florida · 2024
371 of 391
Place 1 is the highest value.
since 2014
−4.4 pp
vs Monroe County
−11.2 pp
Monroe County: 15.7% · 2024
Children under 18, 2013 – 2024 percent · Duck Key · Monroe County · Florida · United States
−4.4 pp since 2014
0%
10%
20%
30%
2013
2016
2018
2020
2024
Duck Key
Monroe County
Florida
United States
Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2013 – 2024
Compared with Children under 18 · percent
Source: U.S. Census Bureau, American Community Survey 5-year estimates
The series at a glance Duck Key · 2013 – 2024
Latest value
4.5% · 2024
First value
6.5% · 2013
Highest
13.2% · 2015
Lowest
2.2% · 2022
Data points
12
By year
All years · 2013 – 2024
| Year | Duck Key | Change | Monroe County | Florida | United States |
|---|---|---|---|---|---|
| 2024estimate | 4.5% | −1.5 pp | 15.7% | 19.5% | 22.0% |
| 2023estimate | 6.0% | +3.8 pp | 15.6% | 19.6% | 22.2% |
| 2022estimate | 2.2% | −4.7 pp | 15.7% | 19.6% | 22.1% |
| 2021estimate | 6.9% | +1.1 pp | 15.5% | 20.0% | 22.5% |
| 2020estimate | 5.8% | −0.7 pp | 15.3% | 19.9% | — |
| 2019estimate | 6.5% | +0.9 pp | 15.1% | 20.0% | — |
| 2018estimate | 5.6% | −5.4 pp | 15.1% | 20.1% | — |
| 2017estimate | 11.0% | +1.4 pp | 15.1% | 20.3% | — |
| 2016estimate | 9.6% | −3.6 pp | 15.0% | 20.4% | — |
| 2015estimate | 13.2% | +4.4 pp | 15.2% | 20.6% | — |
| 2014estimate | 8.9% | +2.4 pp | 15.1% | 20.8% | — |
| 2013estimate | 6.5% | 15.1% | 21.0% | — |
Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2013 – 2024
Ranking · Towns of Florida
2021 · Place 1 is the highest value.
| # | Territory | Children under 18 | |
|---|---|---|---|
| 1 | Wimauma | 39.9% | |
| 2 | Biscayne Park | 39.4% | |
| 3 | Eglin AFB | 39.3% | |
| 4 | Florida City | 37.1% | |
| 5 | Mangonia Park | 36.9% | |
| 6 | Naranja | 36.3% | |
| 7 | Gibsonton | 33.8% | |
| 8 | Parkland | 32.6% | |
| 9 | Surfside | 32.4% | |
| 10 | Key Biscayne | 32.3% | |
| 11 | Immokalee | 32.1% | |
| 12 | Homestead | 31.9% | |
| 13 | Laurel Hill | 31.1% | |
| 14 | Gladeview | 31.1% | |
| 15 | Seville | 31.0% | |
| 16 | Bay Harbor Islands | 30.2% | |
| 17 | Nocatee | 30.2% | |
| 18 | Perry | 29.8% | |
| 19 | Fellsmere | 29.7% | |
| 20 | Hurlburt Field | 29.6% | |
| 21 | Eastpoint | 29.5% | |
| 22 | West Perrine | 29.4% | |
| 23 | Weston | 29.0% | |
| 24 | Haverhill | 29.0% | |
| 25 | De Leon Springs | 28.9% | |
| … | |||
| 349 | Jupiter Island | 7.4% | |
| 350 | Layton | 7.2% | |
| 351 | Indian River Shores | 6.9% | |
| 352 | Duck Key | 6.9% | |
| 353 | North Redington Beach | 6.9% | |
| 354 | Bradenton Beach | 6.8% | |
| 355 | Wilton Manors | 6.6% | |
| … |
Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2021
What it means
The share of residents who are children and teenagers.
How it is calculated
Residents under 18 divided by the total population.
People
Duck Key in numbers
Population
647
2024
Population growth
0.52%
2025 · United States
Population density
417
2024
Median age
64.3
2024
Children under 15
15.7%
2024 · Florida
Residents 65 and over
45.3%
2024
Life expectancy
77.9
2022 · Florida
Births per woman
1.63
2024 · United States
Birth rate
10.6
2024 · United States
Infant mortality
5.5
2024 · United States
Net migration
3.9
2023 · United States
Net domestic migration
-1,931
2025 · Monroe County