Saturday, October 24 Sebastian
Towns Advertise
The Beachside Resident
Search Log in Add your business Ask a question
  1. Home
  2. Sebastian
  3. Statistics
  4. People
  5. Population
People Statistics · City

Population in Sebastian

2010 – 2025 · 16 data points 79 of 243 · Towns of Florida Updated Oct 24, 2026
People · Sebastian Indian River County Florida United States

Source: U.S. Census Bureau, Population Estimates Program, 2010 – 2025

Featured spot available Your business could be here First in “Statistics” — with a photo and a “Featured” mark. Take this spot
Overview 7 figures People 21 figures Economy 20 figures Housing 8 figures Education 10 figures Tourism 3 figures Climate 8 figures
Latest value · 2025 27,352 +1.4% since 2024
Towns of Florida · 2025 79 of 243 Place 1 is the highest value.
since 2015 +18% +1.5% a year on average
share of Indian River County 15.8% Indian River County: 172,799 · 2025
Population, 2010 – 2025 people
+18% since 2015

Source: U.S. Census Bureau, Population Estimates Program, 2010 – 2025

Compared with Population · people
Sebastian 27,352
Indian River County 173K
Florida 23M
United States 342M
World 8.2B

Sources: U.S. Census Bureau, Population Estimates Program · World Bank — World Development Indicators

The series at a glance Sebastian · 2010 – 2025
Latest value 27,352 · 2025
First value 21,937 · 2010
Highest 27,352 · 2025
Lowest 21,919 · 2011
Average change +1.5% a year on average
Data points 16

By year

All years · 2010 – 2025

YearSebastianChange Indian River CountyFloridaUnited StatesWorld
2025 27,352 +1.4% 173K 23M 342M 8.2B
2024 26,975 +0.3% 172K 23M 340M 8.1B
2023 26,907 +2.0% 170K 23M 337M 8.1B
2022 26,388 +2.7% 168K 22M 334M 8B
2021 25,682 +2.3% 164K 22M 332M 7.9B
2020 25,115 +1.2% 160K 22M 332M 7.9B
2019 24,816 +1.1% 158K 21M — 7.8B
2018 24,540 +1.5% 155K 21M — 7.7B
2017 24,185 +1.5% 153K 21M — 7.6B
2016 23,817 +2.7% 150K 21M — 7.5B
2015 23,187 +2.2% 146K 20M — 7.4B
2014 22,695 +2.2% 144K 20M — 7.4B
2013 22,204 +0.7% 141K 20M — 7.3B
2012 22,039 +0.5% 140K 19M — 7.2B
2011 21,919 −0.1% 139K 19M — 7.1B
2010 21,937 138K 19M — 7B

Sources: U.S. Census Bureau, Population Estimates Program · World Bank — World Development Indicators, 2010 – 2025

Ranking · Towns of Florida

2019 · Place 1 is the highest value.

Year: 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014
Highest first Lowest first A–Z
#TerritoryPopulation
1 Jacksonville 942K
2 Miami 441K
3 Tampa 381K
4 St. Petersburg 257K
5 Hialeah 224K
6 Port St. Lucie 199K
7 Cape Coral 190K
8 Fort Lauderdale 182K
9 Pembroke Pines 171K
10 Hollywood 153K
11 Miramar 135K
12 Coral Springs 135K
13 Palm Bay 118K
14 Clearwater 117K
15 West Palm Beach 116K
16 Miami Gardens 112K
17 Pompano Beach 112K
18 Davie 106K
19 Boca Raton 97,488
20 Sunrise 97,396
21 Deltona 92,607
22 Plantation 90,766
23 Palm Coast 87,674
24 Deerfield Beach 86,358
25 Melbourne 84,170
…
78 Key West 26,427
79 Tarpon Springs 25,096
80 Venice 24,944
81 Sebastian 24,816
82 Palmetto Bay 24,613
83 West Melbourne 24,024
84 Jacksonville Beach 23,849
…

Source: U.S. Census Bureau, Population Estimates Program, 2019

What it means

How many people live here — residents, not visitors.

How it is calculated

Official count or estimate of residents for each year: a census plus births, deaths and moves since then. Estimates are revised when a new census comes out.