Monroe County
County
The Monroe County Courthouse in Key West
Flag Seal
Location within the U.S. state of Florida
Florida's location within the U.S.
Coordinates: 25°07′N 81°09′W / 25.12°N 81.15°W / 25.12; -81.15
Country	United States
State	Florida
Founded	July 3, 1823
Named for	James Monroe
Seat	Key West
Largest city	Key West
Area
• Total	3,738 sq mi (9,680 km2)
• Land	983 sq mi (2,550 km2)
• Water	2,754 sq mi (7,130 km2)  73.7%
Population  (2020)[1]
• Total	82,874
• Density	22/sq mi (8/km2)
Time zone	UTC−5 (Eastern)
• Summer (DST)	UTC−4 (EDT)
Website	www.monroecounty-fl.gov

Monroe County is a county in the U.S. state of Florida. It was formed on July 3, 1823. As of 2020, the population is 82,874.^[1] Its county seat is Key West.

Monroe County includes a part of the Florida mainland, and many small islands called the Florida Keys. Almost nobody lives in the mainland of the county. It is all wetland, part of the Everglades. Nearly everybody in the county lives on the islands.

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