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People Statistics · Area estimate

Children under 18 in St. Johns County

2013 – 2024 · 12 data points 14 of 67 · Regions of Florida Updated Nov 2, 2026
People · St. Johns 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 21.6% −0.1 pp since 2023
Regions of Florida · 2024 14 of 67 Place 1 is the highest value.
since 2014 −0.9 pp
vs Florida +2.1 pp Florida: 19.5% · 2024
Children under 18, 2013 – 2024 percent · St. Johns County · Florida · United States
−0.9 pp since 2014
St. Johns County Florida United States

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

Compared with Children under 18 · percent
St. Johns County
21.6%
Florida
19.5%
United States
22.0%

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

The series at a glance St. Johns County · 2013 – 2024
Latest value 21.6% · 2024
First value 22.7% · 2013
Highest 22.7% · 2013
Lowest 21.5% · 2022
Data points 12

By year

All years · 2013 – 2024

YearSt. Johns CountyChange FloridaUnited States
2024estimate 21.6% −0.1 pp 19.5% 22.0%
2023estimate 21.7% +0.2 pp 19.6% 22.2%
2022estimate 21.5% −0.4 pp 19.6% 22.1%
2021estimate 21.9% +0.1 pp 20.0% 22.5%
2020estimate 21.8% −0.1 pp 19.9% —
2019estimate 21.8% −0.1 pp 20.0% —
2018estimate 21.9% −0.1 pp 20.1% —
2017estimate 22.0% −0.0 pp 20.3% —
2016estimate 22.1% −0.2 pp 20.4% —
2015estimate 22.2% −0.2 pp 20.6% —
2014estimate 22.4% −0.2 pp 20.8% —
2013estimate 22.7% 21.0% —

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

Ranking · Regions of Florida

2023 · 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
48 Alachua County 17.9%
3 Baker County 24.2%
19 Bay County 21.0%
27 Bradford County 20.5%
45 Brevard County 18.2%
21 Broward County 20.9%
33 Calhoun County 20.0%
66 Charlotte County 11.8%
63 Citrus County 14.8%
5 Clay County 23.0%
55 Collier County 16.4%
8 Columbia County 22.3%
47 DeSoto County 18.1%
44 Dixie County 18.2%
7 Duval County 22.5%
20 Escambia County 21.0%
56 Flagler County 16.3%
60 Franklin County 15.3%
9 Gadsden County 22.2%
22 Gilchrist County 20.8%
65 Glades County 13.7%
62 Gulf County 14.8%
25 Hamilton County 20.6%
2 Hardee County 25.1%
1 Hendry County 25.2%
…
11 Santa Rosa County 22.0%
64 Sarasota County 14.0%
24 Seminole County 20.7%
13 St. Johns County 21.7%
34 St. Lucie County 19.7%
67 Sumter County 7.1%
18 Suwannee County 21.1%
…

Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2023

What it means

The share of residents who are children and teenagers.

How it is calculated

Residents under 18 divided by the total population.