Stock Island, Florida

Stock Island, Florida
Location in Monroe County and the state of Florida
U.S. Census Bureau map showing CDP boundaries
Coordinates: 24°34′12″N 81°44′15″W / 24.57000°N 81.73750°W / 24.57000; -81.73750
Country United States
State Florida
County Monroe
Area
  Total
2.10 sq mi (5.45 km2)
  Land0.84 sq mi (2.17 km2)
  Water1.27 sq mi (3.28 km2)
Elevation
3 ft (1 m)
Population
 (2020)
  Total
4,722
  Density5,641.58/sq mi (2,179.22/km2)
Time zoneUTC-5 (Eastern (EST))
  Summer (DST)UTC-4 (EDT)
ZIP codes
33040-33041 (Key West)
Area code305
FIPS code12-68800
GNIS feature ID1867211

Stock Island is a census-designated place (CDP) and unincorporated community on the island of the same name in Monroe County, Florida, United States. The population of the CDP was 4,722 at the 2020 census, up from 3,919 in 2010. It is located on the portion of the island south of US 1. It is supposedly named for the herds of livestock formerly kept there. Alternatively, some local historians suggest that it may be named for an early settler.