Braddock Heights is an unincorporated community and census-designated place (CDP) in Frederick County, Maryland, United States. The population was 2,608 at the 2010 census. The local ZIP codes are 21714 (post office boxes only) and 21703.
Braddock Heights is located in west-central Frederick County at 39°25′15″N 77°30′18″W / 39.42083°N 77.50500°W / 39.42083; -77.50500 (39.420895, −77.504931), along the ridgecrest of Catoctin Mountain, known locally as “Braddock Mountain”. U.S. Route 40 Alternate crosses the mountain near the center of the community, leading east 5 miles (8 km) to Frederick and west 2.5 miles (4.0 km) to Middletown. Interstate 70 crosses the northern part of the CDP, with access from partial Exit 49 (U.S. Route 40 Alt.) at the east base of the mountain. U.S. Route 40 forms the northern edge of the CDP.
According to the United States Census Bureau, the Braddock Heights CDP has a total area of 4.7 square miles (12.2 km), of which 0.01 square miles (0.03 km), or 0.23%, is water.
As of the census of 2000, there were 4,627 people, 1,684 households, and 1,343 families residing in the CDP. The population density was 626.6 people per square mile (242.1/km²). There were 1,733 housing units at an average density of 234.7/sq mi (90.7/km²). The racial makeup of the CDP was 96.17% White, 1.19% African American, 1.02% Asian, 0.02% Pacific Islander, 0.35% from other races, and 1.25% from two or more races. Hispanic or Latino of any race were 1.73% of the population.
There were 1,684 households out of which 35.9% had children under the age of 18 living with them, 69.9% were married couples living together, 7.1% had a female householder with no husband present, and 20.2% were non-families. 15.0% of all households were made up of individuals and 5.1% had someone living alone who was 65 years of age or older. The average household size was 2.71 and the average family size was 3.03.
In the CDP, the population was spread out with 25.0% under the age of 18, 5.7% from 18 to 24, 26.9% from 25 to 44, 31.8% from 45 to 64, and 10.6% who were 65 years of age or older. The median age was 41 years. For every 100 females, there were 98.0 males. For every 100 females age 18 and over, there were 96.7 males.
The median income for a household in the CDP was $71,932, and the median income for a family was $78,779. Males had a median income of $52,179 versus $38,063 for females. The per capita income for the CDP was $29,621. About 1.0% of families and 2.2% of the population were below the poverty line, including none of those under age 18 and 2.4% of those age 65 or over.