county in Florida, United States From Wikipedia, the free encyclopedia
St. Johns County is a county in the U.S. state of Florida. It was formed on July 21, 1821. As of 2020, 273,425 people lived there.[1] St. Johns County's seat is St. Augustine.
St. Johns County | |
---|---|
Coordinates: 29°55′N 81°25′W | |
Country | United States |
State | Florida |
Founded | July 21, 1821 |
Named for | San Juan del Puerto |
Seat | St. Augustine |
Largest community | St. Johns |
Area | |
• Total | 822 sq mi (2,130 km2) |
• Land | 601 sq mi (1,560 km2) |
• Water | 221 sq mi (570 km2) 26.9% |
Population | |
• Total | 273,425 |
• Density | 455/sq mi (176/km2) |
Time zone | UTC−5 (Eastern) |
• Summer (DST) | UTC−4 (EDT) |
Website | www |
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