Hillcrest Heights is located at (27.824073, -81.533117).
There were 99 households out of which 36.4% had children under the age of 18 living with them, 68.7% were married couples living together, 4.0% had a female householder with no husband present, and 24.2% were non-families. 20.2% of all households were made up of individuals and 12.1% had someone living alone who was 65 years of age or older. The average household size was 2.69 and the average family size was 3.15.
In the town the population was spread out with 25.6% under the age of 18, 5.3% from 18 to 24, 27.1% from 25 to 44, 24.8% from 45 to 64, and 17.3% who were 65 years of age or older. The median age was 40 years. For every 100 females there were 92.8 males. For every 100 females age 18 and over, there were 98.0 males.
The median income for a household in the town was $60,556, and the median income for a family was $62,143. Males had a median income of $40,833 versus $33,125 for females. The per capita income for the town was $20,802. About 2.9% of families and 1.5% of the population were below the poverty line, including none of those under the age of eighteen and 5.7% of those sixty five or over.