St. Lucie County
county in Florida, United States of America
Key facts
- Country
- United States
- State
- Florida
- Founded
- May 24, 1905
- Named after
- St. Lucie Inlet
- Seat
- Fort Pierce
- Largest city
- Port St. Lucie
- Total
- 688 sq mi (1,780 km )
- Land
- 572 sq mi (1,480 km )
- Water
- 116 sq mi (300 km ) 16.9%
- Estimate 2025
- 402,449
- Density
- 576/sq mi (222/km )
- Time zone
- UTC−5 ( Eastern )
- Summer dst
- UTC−4 ( EDT )
Article
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. The county's seat is Fort Pierce, while the largest city is Port St. Lucie, which makes up 62% of the county's population. St. Lucie County is the principal county of the Port St. Lucie, FL Metropolitan Statistical Area.
History