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People Statistics · City estimate

Children under 18 in Key Biscayne

2013 – 2024 · 12 data points 11 of 391 · Towns of Florida Updated Oct 23, 2026
People · Key Biscayne Miami-Dade County Florida United States

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 31.8% +1.0 pp since 2023
Towns of Florida · 2024 11 of 391 Place 1 is the highest value.
since 2014 +0.5 pp
vs Miami-Dade County +11.8 pp Miami-Dade County: 20.0% · 2024
Children under 18, 2013 – 2024 percent · Key Biscayne · Miami-Dade County · Florida · United States
+0.5 pp since 2014
Key Biscayne Miami-Dade County Florida United States

Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2013 – 2024

Compared with Children under 18 · percent
Key Biscayne
31.8%
Miami-Dade County
20.0%
Florida
19.5%
United States
22.0%

Source: U.S. Census Bureau, American Community Survey 5-year estimates

The series at a glance Key Biscayne · 2013 – 2024
Latest value 31.8% · 2024
First value 32.3% · 2013
Highest 32.3% · 2013
Lowest 26.8% · 2016
Data points 12

By year

All years · 2013 – 2024

YearKey BiscayneChange Miami-Dade CountyFloridaUnited States
2024estimate 31.8% +1.0 pp 20.0% 19.5% 22.0%
2023estimate 30.8% −0.7 pp 20.1% 19.6% 22.2%
2022estimate 31.4% −0.9 pp 20.1% 19.6% 22.1%
2021estimate 32.3% +0.8 pp 20.5% 20.0% 22.5%
2020estimate 31.5% +3.5 pp 20.4% 19.9% —
2019estimate 28.0% +0.4 pp 20.5% 20.0% —
2018estimate 27.7% −0.0 pp 20.4% 20.1% —
2017estimate 27.7% +0.9 pp 20.5% 20.3% —
2016estimate 26.8% −2.2 pp 20.6% 20.4% —
2015estimate 29.0% −2.3 pp 20.9% 20.6% —
2014estimate 31.3% −1.1 pp 21.1% 20.8% —
2013estimate 32.3% 21.4% 21.0% —

Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2013 – 2024

Ranking · Towns of Florida

2020 · Place 1 is the highest value.

Year: 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013
Highest first Lowest first A–Z
#TerritoryChildren under 18
1 Biscayne Park 39.3%
2 Wimauma 39.1%
3 Eglin AFB 36.5%
4 Florida City 36.3%
5 Naranja 35.7%
6 Mangonia Park 35.3%
7 Parkland 33.5%
8 Homestead 33.2%
9 Fellsmere 33.1%
10 Gibsonton 32.5%
11 Immokalee 31.7%
12 Gladeview 31.6%
13 Key Biscayne 31.5%
14 Bell 31.4%
15 Hurlburt Field 31.3%
16 West Perrine 31.3%
17 Laurel Hill 30.4%
18 Pierson 30.3%
19 Tice 30.1%
20 Bay Harbor Islands 30.0%
21 Nocatee 29.7%
22 Chokoloskee 29.1%
23 De Leon Springs 28.7%
24 Bronson 28.6%
25 Panacea 28.6%
…

Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2020

What it means

The share of residents who are children and teenagers.

How it is calculated

Residents under 18 divided by the total population.