Fountainhead-Orchard Hills is a census-designated place (CDP) in Washington County, Maryland, United States. The population was 3,844 at the 2000 census.
Fountainhead-Orchard Hills is located at 39°40′59″N 77°42′59″W / 39.68306°N 77.71639°W / 39.68306; -77.71639 (39.682933, −77.716526).
According to the United States Census Bureau, the CDP has a total area of 3.8 square miles (9.8 km), all land.
As of the census of 2000, there were 3,844 people, 1,546 households, and 1,119 families residing in the CDP. The population density was 1,007.3 people per square mile (388.5/km²). There were 1,621 housing units at an average density of 424.8/sq mi (163.8/km²). The racial makeup of the CDP was 94.35% White, 2.29% African American, 0.10% Native American, 1.90% Asian, 0.03% Pacific Islander, 0.31% from other races, and 1.01% from two or more races. Hispanic or Latino of any race were 1.59% of the population.
There were 1,546 households out of which 27.7% had children under the age of 18 living with them, 62.8% were married couples living together, 6.5% had a female householder with no husband present, and 27.6% were non-families. 23.9% of all households were made up of individuals and 14.9% had someone living alone who was 65 years of age or older. The average household size was 2.40 and the average family size was 2.81.
In the CDP, the population was spread out with 21.6% under the age of 18, 4.6% from 18 to 24, 22.8% from 25 to 44, 27.3% from 45 to 64, and 23.7% who were 65 years of age or older. The median age was 46 years. For every 100 females, there were 93.7 males. For every 100 females age 18 and over, there were 90.0 males.
The median income for a household in the CDP was $49,648, and the median income for a family was $60,840. Males had a median income of $38,636 versus $26,905 for females. The per capita income for the CDP was $27,552. About 1.7% of families and 3.1% of the population were below the poverty line, including 2.5% of those under age 18 and 2.7% of those age 65 or over.