Nassau County, Florida

Nassau County
County
Nassau County Courthouse
Seal
Location within the U.S. state of Florida
Florida's location within the U.S.
Coordinates: 30°37′N 81°46′W / 30.61°N 81.77°W / 30.61; -81.77
Country	United States
State	Florida
Founded	December 29, 1824
Named for	Duchy of Nassau
Seat	Fernandina Beach
Largest community	Yulee
Area
• Total	726 sq mi (1,880 km2)
• Land	649 sq mi (1,680 km2)
• Water	77 sq mi (200 km2)  10.6%
Population  (2020)[1]
• Total	90,352
• Density	127/sq mi (49/km2)
Time zone	UTC−5 (Eastern)
• Summer (DST)	UTC−4 (EDT)
Congressional district	4th
Website	www.nassaucountyfl.com

Nassau County is a county in the state of Florida. As of 2020, 90,352 people lived there.^[1] Its county seat is Fernandina Beach, Florida.^[2]

Nassau County is part of the Greater Jacksonville Metropolitan area.

1. ↑ ^{1.0 1.1} "QuickFacts: Nassau County, Florida". United States Census Bureau. Retrieved August 10, 2023.
2. ↑ "Find a County". National Association of Counties. Retrieved 2008-01-31.