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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 27, 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

2018 · 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
67 Liberty County 8,101
66 Lafayette County 8,461
65 Franklin County 11,898
64 Glades County 12,086
63 Hamilton County 13,858
62 Calhoun County 14,211
61 Jefferson County 14,372
60 Union County 16,086
59 Dixie County 16,456
58 Gulf County 16,680
57 Gilchrist County 17,467
56 Madison County 18,025
55 Holmes County 19,540
54 Taylor County 21,696
53 Washington County 24,404
52 Hardee County 25,854
51 Baker County 27,330
50 Bradford County 27,552
49 Wakulla County 32,055
48 DeSoto County 33,486
47 Hendry County 38,797
46 Okeechobee County 39,429
45 Levy County 41,523
44 Suwannee County 43,150
43 Gadsden County 44,609
…
24 St. Johns County 252K
23 Alachua County 275K
22 Leon County 289K
21 St. Lucie County 315K
20 Escambia County 316K
19 Marion County 363K
18 Collier County 366K
…

Source: U.S. Census Bureau, Population Estimates Program, 2018

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.