As of the censusGR2 of 2000, there were 5,032 people, 2,247 households, and 1,420 families residing in the CDP. The population density was 198.9/km² (515.3/mi²). There were 3,153 housing units at an average density of 124.6/km² (322.9/mi²).
There were 2,247 households out of which 21.4% had children under the age of 18 living with them, 53.8% were married couples living together, 5.7% had a female householder with no husband present, and 36.8% were non-families. 26.0% of all households were made up of individuals and 7.8% had someone living alone who was 65 years of age or older. The average household size was 2.21 and the average family size was 2.63.
In the CDP the population was spread out with 16.8% under the age of 18, 4.3% from 18 to 24, 30.3% from 25 to 44, 33.7% from 45 to 64, and 14.9% who were 65 years of age or older. The median age was 44 years. For every 100 females there were 110.4 males. For every 100 females age 18 and over, there were 111.6 males.
The median income for a household in the CDP was $44,514, and the median income for a family was $47,639. Males had a median income of $31,552 versus $28,021 for females. The per capita income for the CDP was $23,169. About 5.6% of families and 9.5% of the population were below the poverty line, including 17.4% of those under age 18 and 7.0% of those age 65 or over.
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Florida Keys
Biscayne National Park
Soldier's Key, Ragged Keys, Boca Chita Key, Sands Key, Elliott Key, Adams Key, Old Rhodes Key, City of Islandia
Upper keys
Key Largo (island), Key Largo (CDP), Tavernier (CDP), Plantation Key, Windley Key, Upper Matecumbe Key, Lower Matecumbe Key, Village of Islamorada
Middle keys
Bahia Honda, Craig Key, Fiesta Key, Long Key, City of Layton, Conch Key, Duck Key, Grassy Key, Deer Key, Key Vaca, City of Marathon, City of Key Colony Beach, Boot Key, West Summerland Key
Lower keys
No Name Key, Big Pine Key, Torch Key, Little Torch Key, Ramrod Key, Summerland Key, Cudjoe Key, Sugarloaf Key, Saddlebunch Keys, Big Coppitt Key, Boca Chica Key, Key Haven, Stock Island, Key West
Outlying islands
Dry Tortugas, Marquesas Keys
Areas
Florida Bay, Dry Tortugas National Park, Florida Keys National Marine Sanctuary, National Key Deer Sanctuary, John Pennekamp Coral Reef State Park, Biscayne Bay, Biscayne National Park, Key West National Wildlife Refuge, Great White Heron National Wildlife Refuge, Crocodile Lake National Wildlife Refuge
Other topics
Monroe County, Conch Republic, Overseas Highway, Overseas Railway, Card Sound Bridge, Seven Mile Bridge, Bahia Honda Bridge, Theater of the Sea, Hurricane Georges, Labor Day Hurricane of 1935, Key Deer, Ocean Reef Club, Key lime pie
