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People Statistics · Area estimate

Children under 18 in Miami-Dade County

2013 – 2024 · 12 data points 32 of 67 · Regions of Florida Updated Oct 23, 2026
People · Miami-Dade County Florida United States

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

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Overview 6 figures People 21 figures Economy 20 figures Housing 8 figures Education 10 figures Tourism 3 figures Climate 3 figures
Latest value · 2024 20.0% −0.1 pp since 2023
Regions of Florida · 2024 32 of 67 Place 1 is the highest value.
since 2014 −1.1 pp
vs Florida +0.5 pp Florida: 19.5% · 2024
Children under 18, 2013 – 2024 percent · Miami-Dade County · Florida · United States
−1.1 pp since 2014
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
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 Miami-Dade County · 2013 – 2024
Latest value 20.0% · 2024
First value 21.4% · 2013
Highest 21.4% · 2013
Lowest 20.0% · 2024
Data points 12

By year

All years · 2013 – 2024

YearMiami-Dade CountyChange FloridaUnited States
2024estimate 20.0% −0.1 pp 19.5% 22.0%
2023estimate 20.1% +0.0 pp 19.6% 22.2%
2022estimate 20.1% −0.4 pp 19.6% 22.1%
2021estimate 20.5% +0.1 pp 20.0% 22.5%
2020estimate 20.4% −0.1 pp 19.9% —
2019estimate 20.5% +0.1 pp 20.0% —
2018estimate 20.4% −0.1 pp 20.1% —
2017estimate 20.5% −0.1 pp 20.3% —
2016estimate 20.6% −0.3 pp 20.4% —
2015estimate 20.9% −0.3 pp 20.6% —
2014estimate 21.1% −0.3 pp 20.8% —
2013estimate 21.4% 21.0% —

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

Ranking · Regions of Florida

2024 · 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 Hendry County 24.9%
2 Hardee County 24.4%
3 Baker County 24.3%
4 Osceola County 23.9%
5 Clay County 22.8%
6 Okaloosa County 22.6%
7 Duval County 22.4%
8 Columbia County 22.2%
9 Gadsden County 22.1%
10 Polk County 22.0%
11 Santa Rosa County 21.8%
12 Union County 21.7%
13 Hillsborough County 21.6%
14 St. Johns County 21.6%
15 Orange County 21.4%
16 Okeechobee County 21.4%
17 Putnam County 21.2%
18 Gilchrist County 21.2%
19 Bay County 21.1%
20 Walton County 20.9%
21 Escambia County 20.9%
22 Suwannee County 20.9%
23 Broward County 20.8%
24 Wakulla County 20.7%
25 Hamilton County 20.6%
…
29 Taylor County 20.3%
30 Pasco County 20.2%
31 Washington County 20.0%
32 Miami-Dade County 20.0%
33 Calhoun County 19.8%
34 St. Lucie County 19.7%
35 Liberty County 19.6%
…

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

What it means

The share of residents who are children and teenagers.

How it is calculated

Residents under 18 divided by the total population.