Beach, and to the south, across Norris Cut, by Virginia Key, within the Miami city limits. Biscayne Bay is to the west, and the Atlantic Ocean is to the east. The entire island has a total area of , of which are within the CDP, the rest being part of the city of Miami Beach. Demographics 2020 census As of the 2020 United States census, there were 561 people, 197 households, and 135 families residing in the CDP. 2000 census As of the census of 2000, there were 467 people, 218 households, and 149 families residing in the CDP. The population density was . There were 532 housing units at an average density of . The racial makeup of the CDP was 92.08% White (77.9% were Non-Hispanic White,) 3.21% African American, 2.14% Asian, 0.64% from other races, and 1.93% from two or more races. Hispanic or Latino people of any race were 14.8% of the population. There were 218 households, out of which 19.3% had children under the age of 18 living with them, 61.5% were married couples living together, 5.5% had a female householder with no husband present, and 31.2% were non-families. 26.6% of all households were made up of individuals, and 7.3% had someone living alone who was 65 years of age or older. The average household size was 2.14 and the average family size was 2.51. In the CDP, the population was spread out, with 15.6% under the age of 18, 3.2% from 18 to 24, 20.3% from 25 to 44, 45.6% from 45 to 64, and 15.2% who were 65 years of age or older. The median age was 51 years. For every 100 females, there were 101.3 males. For every 100 females age 18 and over, there were 99.0 males. The median income for a household in the CDP was in excess of $200,000, as was the median income for a family. Males had a median income of over $100,000 versus $85,789 for females. The per capita income for the CDP was $236,238. None of the population or families are below the poverty line. As of 2000, English was the first language for 84.61% of all residents, while Spanish was the first language for 15.38% of the population. In April 2018, Bloomberg reported that the average income for Fisher Island was $2.5 million in 2015, according to a Bloomberg analysis of 2015 Internal Revenue Service