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People Statistics · Area estimate

Children under 18 in Martin County

2013 – 2024 · 12 data points 56 of 67 · Regions of Florida Updated Nov 1, 2026
People · Martin 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 16.1% −0.1 pp since 2023
Regions of Florida · 2024 56 of 67 Place 1 is the highest value.
since 2014 −1.1 pp
vs Florida −3.4 pp Florida: 19.5% · 2024
Children under 18, 2013 – 2024 percent · Martin County · Florida · United States
−1.1 pp since 2014
Martin County Florida United States

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

Compared with Children under 18 · percent
Martin County
16.1%
Florida
19.5%
United States
22.0%

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

The series at a glance Martin County · 2013 – 2024
Latest value 16.1% · 2024
First value 17.4% · 2013
Highest 17.4% · 2013
Lowest 16.0% · 2022
Data points 12

By year

All years · 2013 – 2024

YearMartin CountyChange FloridaUnited States
2024estimate 16.1% −0.1 pp 19.5% 22.0%
2023estimate 16.2% +0.2 pp 19.6% 22.2%
2022estimate 16.0% −0.4 pp 19.6% 22.1%
2021estimate 16.4% +0.1 pp 20.0% 22.5%
2020estimate 16.3% −0.2 pp 19.9% —
2019estimate 16.5% −0.1 pp 20.0% —
2018estimate 16.6% −0.2 pp 20.1% —
2017estimate 16.8% −0.1 pp 20.3% —
2016estimate 16.9% −0.2 pp 20.4% —
2015estimate 17.1% −0.1 pp 20.6% —
2014estimate 17.2% −0.2 pp 20.8% —
2013estimate 17.4% 21.0% —

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

Ranking · Regions of Florida

2018 · 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
50 Alachua County 18.0%
4 Baker County 24.1%
18 Bay County 21.6%
27 Bradford County 20.3%
48 Brevard County 18.5%
21 Broward County 21.4%
22 Calhoun County 21.4%
66 Charlotte County 12.5%
64 Citrus County 14.9%
5 Clay County 23.8%
52 Collier County 17.7%
13 Columbia County 21.9%
34 DeSoto County 19.6%
46 Dixie County 18.6%
7 Duval County 22.7%
24 Escambia County 20.9%
53 Flagler County 17.5%
61 Franklin County 16.4%
14 Gadsden County 21.9%
30 Gilchrist County 20.2%
62 Glades County 15.9%
60 Gulf County 16.4%
40 Hamilton County 19.0%
2 Hardee County 26.5%
1 Hendry County 26.9%
…
39 Madison County 19.0%
42 Manatee County 18.9%
44 Marion County 18.7%
57 Martin County 16.6%
25 Miami-Dade County 20.4%
63 Monroe County 15.1%
31 Nassau County 20.1%
…

Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2018

What it means

The share of residents who are children and teenagers.

How it is calculated

Residents under 18 divided by the total population.