St. Lucie County, Florida
St. Lucie County, Florida | |
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St. Lucie County Courthouse | |
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Seal | |
Location within the U.S. state of Florida | |
| Coordinates: 27°23′N 80°26′W / 27.38°N 80.44°W | |
| Country | United States |
| State | Florida |
| Founded | May 24, 1905 |
| Named after | St. Lucie Inlet |
| Seat | Fort Pierce |
| Largest city | Port St. Lucie |
| Area | |
• Total | 688 sq mi (1,780 km2) |
| • Land | 572 sq mi (1,480 km2) |
| • Water | 116 sq mi (300 km2) 16.9% |
| Population (2020) | |
• Total | 329,226 |
• Estimate (2023) | 373,586 |
| • Density | 576/sq mi (222/km2) |
| Time zone | UTC−5 (Eastern) |
| • Summer (DST) | UTC−4 (EDT) |
| Congressional district | 21st |
| Website | www |
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.