Saint Lucie County, Florida

County Snapshot

Saint Lucie County at a glance

Saint Lucie County currently has 3 quality-checked populated place pages linked on MapSof, making it easier to jump from the county overview into local city pages.

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Mapped populated places

3

These counts use a stricter populated-place filter so the main lists stay focused on real city and town pages.

Florida counties

67

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Largest city

Port Saint Lucie

Population 209,715

Top linked places

Port Saint Lucie 209,715 Fort Pierce 46,343 Indian River Estates 6,220

Population	337,186 (2020)
Country	United States of America
State	Florida (United States)
Twitter username	stluciegov
Area	1782 km2
Water as percent of area	16.9%
Land as percent of area	83.1%
Latitude & Longitude	27.3808,-80.4455
Named for	Saint Lucy
Altitude	20 feet / 6 meters
Capital	Fort Pierce
Establishment	May 24, 1905
Time Zone	America/New_York
Local time	01:27:47 (18th April 2026)
Density	189 Pop. per km² as of 2020
Population growth	17.62% (2010-2020)
Weather	87℉ Sunny 7-days weather

Geography

Saint Lucie County is located at 27°22'51"N 80°26'44"W (27.3808100, -80.4455400). It has 2 neighbors: Indian River County and Okeechobee County.

The largest city of Saint Lucie County is Port Saint Lucie with a population of 209,715. Other cities include and Fort Pierce population 46,343. See all Saint Lucie County cities & populated places.

Saint Lucie County Populated Places

Cities, towns, neighborhoods & other populated places in Saint Lucie County.

City Name	Population	Title
Port Saint Lucie	209,715	The second most populous city in St.
Fort Pierce	46,343	The most populous city in St.
Indian River Estates	6,220	Census-designated place in St.