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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

2025 · 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 8,035
66 Lafayette County 8,792
65 Franklin County 13,029
64 Glades County 13,270
63 Calhoun County 13,289
62 Hamilton County 14,180
61 Gulf County 15,943
60 Jefferson County 16,007
59 Union County 16,250
58 Dixie County 18,038
57 Madison County 18,759
56 Holmes County 20,119
55 Gilchrist County 20,488
54 Taylor County 21,210
53 Hardee County 25,932
52 Washington County 26,695
51 Bradford County 28,307
50 Baker County 29,737
49 DeSoto County 37,078
48 Wakulla County 38,089
47 Okeechobee County 42,608
46 Gadsden County 44,298
45 Suwannee County 48,149
44 Hendry County 48,276
43 Levy County 48,520
…
23 Leon County 299K
22 Escambia County 334K
21 St. Johns County 346K
20 St. Lucie County 402K
19 Collier County 417K
18 Marion County 443K
17 Lake County 456K
…

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

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.