Ballenger Creek is an unincorporated community and census-designated place (CDP) in Frederick County, Maryland, United States. It is a part of the Frederick, Maryland urban area and is adjacent to Frederick’s southern city limits. The CDP had a 2010 census population of 18,274.
Ballenger Creek is located in south-central Frederick County at 39°22′54″N 77°25′58″W / 39.38167°N 77.43278°W / 39.38167; -77.43278 (39.381593, −77.432802). The namesake stream flows from west to east through the community towards the Monocacy River, part of the Potomac River watershed.
According to the United States Census Bureau, the CDP has a total area of 10.8 square miles (28.1 km), of which 0.02 square miles (0.04 km), or 0.14%, is water.
As of the census of 2010, there were 18,274 people, 6,932 households, and 4,558 families residing in the CDP. The population density was 1,692.0 people per square mile (653.3/km²). There were 7,372 housing units at an average density of 682.0/sq mi (263.3/km²). The racial makeup of the CDP was 69.7% White, 15.6% African American, 0.4% Native American, 6.6% Asian, 0.1% Pacific Islander, 3.2% from other races, and 4.3% from two or more races. Hispanic or Latino of any race were 10.1% of the population.
There were 4,542 households out of which 24.9% had children under the age of 18 living with them, 47.4% were married couples living together, 12.6% had a female householder with no husband present, and 35.7% were non-families. 28.5% of all households were made up of individuals and 9.5% had someone living alone who was 65 years of age or older. The average household size was 2.57 and the average family size was 3.22.
In the CDP, the population was spread out with 26.7% under the age of 18, 8.5% from 18 to 24, 34.3% from 25 to 44, 22.4% from 45 to 64, and 8.1% who were 65 years of age or older. The median age was 33.5 years. For every 100 females, there were 96.9 males. For every 100 females age 18 and over, there were 94.9 males.
The median income for a household in the CDP was $56,558, and the median income for a family was $65,216. Males had a median income of $42,350 versus $31,233 for females. The per capita income for the CDP was $24,816. About 3.2% of families and 3.6% of the population were below the poverty line, including 3.9% of those under age 18 and 5.8% of those age 65 or over.