Heathrow is located at . According to the United States Census Bureau, the CDP has a total area of, of which is land and is water. The main highway serving Heathrow is Interstate 4, which traverses the state from Daytona Beach in the east to Tampa in the west.
Demographics
As of the census of 2000, there were 4,068 people, 1,770 households, and 1,258 families residing in the CDP. The population density was 1,466.6 people per square mile. There were 1,961 housing units at an average density of 707.0/sq mi. The racial makeup of the CDP was 89.33% White, 3.69% African American, 0.12% Native American, 4.70% Asian, 0.98% from other races, and 1.18% from two or more races. Hispanic or Latino of any race were 6.12% of the population. There were 1,770 households, out of which 25.1% had children under the age of 18 living with them, 64.9% were married couples living together, 4.2% had a female householder with no husband present, and 28.9% were non-families. 23.5% of all households were made up of individuals, and 4.8% had someone living alone who was 65 years of age or older. The average household size was 2.30 and the average family size was 2.72. In the CDP, the population was spread out, with 19.9% under the age of 18, 3.7% from 18 to 24, 32.5% from 25 to 44, 31.8% from 45 to 64, and 12.1% who were 65 years of age or older. The median age was 41 years. For every 100 females, there were 95.8 males. For every 100 females age 18 and over, there were 93.0 males. The median income for a household in the CDP was $84,241, and the median income for a family was $107,479. Males had a median income of $76,790 versus $41,820 for females. The per capita income for the CDP was $59,905. About 1.4% of families and 2.1% of the population were below the poverty line, including none of those under age 18 and 6.0% of those age 65 or over.
Residential community
The Heathrow is a city residential community consists of 2061 homes in 30 different sub-developments. All of these sub-developments are part of the Heathrow Master Association. Each sub-development is also incorporated as part of its own Home Owner’s Association, or is part of an association that includes more than one sub-development. The following neighborhoods are part of the Heathrow residential community.