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People Statistics · Area

Population in St. Lucie County

2010 – 2025 · 16 data points 20 of 67 · Regions of Florida Updated Oct 23, 2026
People · St. Lucie County Florida United States

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

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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 · 2025 402,449 +2.8% since 2024
Regions of Florida · 2025 20 of 67 Place 1 is the highest value.
since 2015 +37% +2.5% a year on average
share of Florida 1.72% Florida: 23,462,518 · 2025
Population, 2010 – 2025 people
+37% since 2015

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

Compared with Population · people
St. Lucie County 402K
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 St. Lucie County · 2010 – 2025
Latest value 402,449 · 2025
First value 278,143 · 2010
Highest 402,449 · 2025
Lowest 278,143 · 2010
Average change +2.5% a year on average
Data points 16

By year

All years · 2010 – 2025

YearSt. Lucie CountyChange FloridaUnited StatesWorld
2025 402,449 +2.8% 23M 342M 8.2B
2024 391,592 +3.6% 23M 340M 8.1B
2023 377,820 +4.7% 23M 337M 8.1B
2022 360,720 +4.7% 22M 334M 8B
2021 344,403 +3.9% 22M 332M 7.9B
2020 331,453 +2.7% 22M 332M 7.9B
2019 322,615 +2.3% 21M — 7.8B
2018 315,481 +2.1% 21M — 7.7B
2017 308,937 +2.3% 21M — 7.6B
2016 302,093 +2.6% 21M — 7.5B
2015 294,379 +2.3% 20M — 7.4B
2014 287,704 +1.5% 20M — 7.4B
2013 283,523 +0.6% 20M — 7.3B
2012 281,716 +0.7% 19M — 7.2B
2011 279,746 +0.6% 19M — 7.1B
2010 278,143 19M — 7B

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

Ranking · Regions of Florida

2016 · 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 Miami-Dade County 2.7M
2 Broward County 1.9M
3 Palm Beach County 1.4M
4 Hillsborough County 1.4M
5 Orange County 1.3M
6 Pinellas County 949K
7 Duval County 946K
8 Lee County 707K
9 Polk County 657K
10 Brevard County 577K
11 Volusia County 525K
12 Pasco County 507K
13 Seminole County 454K
14 Sarasota County 409K
15 Manatee County 369K
16 Collier County 356K
17 Marion County 350K
18 Osceola County 342K
19 Lake County 342K
20 Escambia County 312K
21 St. Lucie County 302K
22 Leon County 285K
23 Alachua County 269K
24 St. Johns County 234K
25 Clay County 206K
…

Source: U.S. Census Bureau, Population Estimates Program, 2016

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.