Alternatively, some local historians suggest that it may be named for an early settler.

[1] As of the 2020 United States census, there were 4,722 people, 1,584 households, and 1,081 families residing in the CDP.

26.0% of all households were made up of individuals, and 5.4% had someone living alone who was 65 years of age or older.

The community tends to be residential in character, rather than the tourist-oriented Key West, with a year-round population.

Stock Island has a thriving artist community with specific enclaves that encompass artists/shops.

Ten marinas and boat yards on the island are home to live-aboard residents, offer transient slips, charters and water sports activities.

They also promote the artist and business community and organize quarterly island-wide clean up days.