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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 2, 2026

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

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

2020 · Place 1 is the highest value.

#TerritoryChildren under 18
50 Alachua County 18.0%
5 Baker County 23.3%
20 Bay County 21.1%
33 Bradford County 19.5%
46 Brevard County 18.3%
19 Broward County 21.2%
27 Calhoun County 20.1%
66 Charlotte County 12.0%
63 Citrus County 14.7%
4 Clay County 23.3%
53 Collier County 17.1%
14 Columbia County 21.6%
36 DeSoto County 19.3%
49 Dixie County 18.1%
6 Duval County 22.6%
22 Escambia County 20.9%
55 Flagler County 16.9%
60 Franklin County 15.8%
13 Gadsden County 21.7%
16 Gilchrist County 21.4%
62 Glades County 15.0%
64 Gulf County 14.5%
38 Hamilton County 19.1%
2 Hardee County 26.2%
1 Hendry County 26.8%
…
45 Madison County 18.3%
48 Manatee County 18.3%
40 Marion County 18.7%
56 Martin County 16.3%
24 Miami-Dade County 20.4%
61 Monroe County 15.3%
30 Nassau County 19.8%
…

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.