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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

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

#TerritoryPopulation
24 Alachua County 290K
50 Baker County 29,737
30 Bay County 204K
51 Bradford County 28,307
11 Brevard County 664K
2 Broward County 2M
63 Calhoun County 13,289
28 Charlotte County 217K
32 Citrus County 172K
25 Clay County 240K
19 Collier County 417K
41 Columbia County 74,094
49 DeSoto County 37,078
58 Dixie County 18,038
6 Duval County 1.1M
22 Escambia County 334K
35 Flagler County 140K
65 Franklin County 13,029
46 Gadsden County 44,298
55 Gilchrist County 20,488
64 Glades County 13,270
61 Gulf County 15,943
62 Hamilton County 14,180
53 Hardee County 25,932
44 Hendry County 48,276
…
15 Sarasota County 480K
13 Seminole County 492K
21 St. Johns County 346K
20 St. Lucie County 402K
34 Sumter County 158K
45 Suwannee County 48,149
54 Taylor County 21,210
…

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.