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People Statistics · City estimate

Children under 18 in Sebastian

2013 – 2024 · 12 data points 296 of 391 · Towns of Florida Updated Oct 28, 2026
People · Sebastian Indian River 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 12.6% −0.5 pp since 2023
Towns of Florida · 2024 296 of 391 Place 1 is the highest value.
since 2014 −6.6 pp
vs Indian River County −2.4 pp Indian River County: 15.0% · 2024
Children under 18, 2013 – 2024 percent · Sebastian · Indian River County · Florida · United States
−6.6 pp since 2014
Sebastian Indian River County Florida United States

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

Compared with Children under 18 · percent
Sebastian
12.6%
Indian River County
15.0%
Florida
19.5%
United States
22.0%

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

The series at a glance Sebastian · 2013 – 2024
Latest value 12.6% · 2024
First value 19.8% · 2013
Highest 19.8% · 2013
Lowest 12.6% · 2024
Data points 12

By year

All years · 2013 – 2024

YearSebastianChange Indian River CountyFloridaUnited States
2024estimate 12.6% −0.5 pp 15.0% 19.5% 22.0%
2023estimate 13.1% −0.5 pp 15.2% 19.6% 22.2%
2022estimate 13.6% +0.6 pp 15.3% 19.6% 22.1%
2021estimate 13.0% −1.4 pp 15.9% 20.0% 22.5%
2020estimate 14.4% −1.5 pp 16.0% 19.9% —
2019estimate 15.9% −0.5 pp 16.4% 20.0% —
2018estimate 16.4% −0.9 pp 16.8% 20.1% —
2017estimate 17.3% −0.6 pp 17.2% 20.3% —
2016estimate 17.9% −0.0 pp 17.5% 20.4% —
2015estimate 17.9% −1.3 pp 17.9% 20.6% —
2014estimate 19.3% −0.6 pp 18.2% 20.8% —
2013estimate 19.8% 18.4% 21.0% —

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

Ranking · Towns of Florida

2021 · 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 Wimauma 39.9%
2 Biscayne Park 39.4%
3 Eglin AFB 39.3%
4 Florida City 37.1%
5 Mangonia Park 36.9%
6 Naranja 36.3%
7 Gibsonton 33.8%
8 Parkland 32.6%
9 Surfside 32.4%
10 Key Biscayne 32.3%
11 Immokalee 32.1%
12 Homestead 31.9%
13 Laurel Hill 31.1%
14 Gladeview 31.1%
15 Seville 31.0%
16 Bay Harbor Islands 30.2%
17 Nocatee 30.2%
18 Perry 29.8%
19 Fellsmere 29.7%
20 Hurlburt Field 29.6%
21 Eastpoint 29.5%
22 West Perrine 29.4%
23 Weston 29.0%
24 Haverhill 29.0%
25 De Leon Springs 28.9%
…
297 Lely Resort 13.2%
298 Lighthouse Point 13.2%
299 Islamorada 13.1%
300 Sebastian 13.0%
301 Belleair 13.0%
302 Belleair Beach 12.9%
303 North Palm Beach 12.7%
…

Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2021

What it means

The share of residents who are children and teenagers.

How it is calculated

Residents under 18 divided by the total population.