St. Lucie County, Florida

St. Lucie County
St. Lucie County Courthouse
St. Lucie County Courthouse
Official seal of St. Lucie County
Map of Florida highlighting St. Lucie County
Location within the U.S. state of Florida
Map of the United States highlighting Florida
Florida's location within the U.S.
Coordinates: 27°23′N 80°26′W / 27.38°N 80.44°W / 27.38; -80.44
Country United States
State Florida
FoundedMay 24, 1905
Named forSt. Lucie Inlet
SeatFort Pierce
Largest cityPort St. Lucie
Area
 • Total688 sq mi (1,780 km2)
 • Land572 sq mi (1,480 km2)
 • Water116 sq mi (300 km2)  16.9%
Population
 (2020)
 • Total329,226
 • Density576/sq mi (222/km2)
Time zoneUTC−5 (Eastern)
 • Summer (DST)UTC−4 (EDT)
Congressional district21st
Websitewww.stlucieco.gov

St. Lucie County (Spanish: Condado de Santa Lucía) is a county located in the southeastern portion of the U.S. state of Florida. As of the 2020 census, the population was 329,226.[1] The county's seat is Fort Pierce, while the largest city is Port St. Lucie, making up 62% of the county's population.[2] St. Lucie County is the principal county of the Port St. Lucie, FL Metropolitan Statistical Area.

  1. ^ "State & County QuickFacts". United States Census Bureau. Archived from the original on July 14, 2011. Retrieved February 15, 2014.
  2. ^ "Find a County". National Association of Counties. Retrieved June 7, 2011.