Bay Harbor Islands is a town in Miami-Dade County, Florida, United States. The population was 5,922 at the 2020 census. It is separated from the mainland by Biscayne Bay. History Bay Harbor Islands was founded by Shepard Broad on April 28, 1947. Geography Bay Harbor Islands is located at (25.887522, –80.135739). It sits near the north end of Biscayne Bay and consists of two islands, originally known as Broadview and Bay Harbor, now referred to as, respectively, the West and East Islands. The West Island features single family homes, while the East Island contains the business district, the Ruth K. Broad Bay Harbor K–8 Center, and multi-family housing. To the west, across Biscayne Bay, is the city of North Miami, connected via the Shepard Broad Causeway. To the east, across Indian Creek, lie the village of Bal Harbour and the town of Surfside. To the south across Indian Creek Lake, with no direct road access from Bay Harbor Islands, lies the village of Indian Creek. Bay Harbor Islands is approximately (30 minutes driving distance) northeast of Miami International Airport, and (35 minutes) north of PortMiami. According to the United States Census Bureau, the town has a total area of , including (5.94%) of water. Surrounding areas Biscayne Bay Biscayne Bay Bal Harbour Biscayne Bay Bal Harbour Biscayne Bay Surfside Indian Creek, Surfside East Island architecture At one time, Bay Harbor Islands East Island featured one of the largest concentrated collections of mid-century Miami Modern architecture. Now, one will find many of these buildings intermixed with contemporary residences and boutique waterfront condominiums. Demographics 2020 census As of the 2020 United States census, there were 5,922 people, 2,418 households, and 1,542 families residing in the town. 2010 census As of 2010, there were 3,199 households, out of which 18.8% were vacant. In 2000, 20.3% had children under the age of 18 living with them, 35.6% were married couples living together, 10.7% had a female householder with no husband present, and 50.4% were non-families. 43.1% of all households were made up of individuals, and 18.6% had someone living alone who was 65 years of age or older. The average household size was 1.97 and the average family size was 2.71. 2000 census In 2000, the Town's population was spread out, with 18.0% under the age of 18, 5.0% from 18 to 24, 32.1% from 25 to 44, 21.7% from 45 to 64, and