Cudjoe Key, Florida

Cudjoe Key, Florida
An aerial view of the Venture Out resort, on the southeast side of Cudjoe Key, in 1983
Location in Monroe County and the state of Florida
U.S. Census Bureau map showing CDP boundaries
Coordinates: 24°40′24″N 81°30′15″W / 24.67333°N 81.50417°W / 24.67333; -81.50417
CountryUnited States
StateFlorida
CountyMonroe
Area
 • Total
10.45 sq mi (27.07 km2)
 • Land5.17 sq mi (13.40 km2)
 • Water5.28 sq mi (13.67 km2)
Elevation
0 ft (0 m)
Population
 (2020)
 • Total
2,019
 • Density390.2/sq mi (150.66/km2)
Time zoneUTC-5 (Eastern (EST))
 • Summer (DST)UTC-4 (EDT)
ZIP code
33042
Area code305
FIPS code12-15862
GNIS feature ID2402389

Cudjoe Key is a census-designated place and unincorporated community in Monroe County, Florida, United States, on an island of the same name in the lower Florida Keys. As of the 2020 census, the CDP had a population of 2,019, up from 1,763 in 2010.