Reisterstown is an unincorporated community and census-designated place in Baltimore County, Maryland, United States. As of the 2010 census, it had a population of 25,968.
According to the U.S. Census Bureau, the Reisterstown CDP occupies 5.2 square miles (13.4 km), all of it land.
The community stretches along Reistertown Road (Maryland Route 140) and the Northwestern Expressway (Interstate 795) just north of Owings Mills. Its northern boundary lies near the junction of MD-140 and Hanover Pike (MD-30), which heads north towards Hampstead. MD-140 passes the northern end of I-795 and continues northwest as Westminster Pike, heading towards Finksburg and Westminster. The community of Glyndon is located adjacent to the northern portion of Reisterstown along Butler Road (MD-128), which connects Reisterstown with the Baltimore-Harrisburg Expressway (Interstate 83). To the east of Reisterstown is the community of Worthington, located around Greenspring Avenue and Park Heights Avenue (MD-129). To the west of Reisterstown is Liberty Reservoir.
The census of 2010 reported that there were 25,968 people and 6,740 families residing in the Reisterstown census-designated place (CDP), living in 10,133 of available housing units. The racial makeup of the CDP was 57.2% White, 29.3% African American, 0.4% Native American, 6.3% Asian, 0.1% Pacific Islander, 3.7% from other races, and 3.2% from two or more races. Hispanic or Latino of any race were 8.9% of the population.
Of the community’s 10,133 households, 33.0% had children under 18 years, 44.5% were married couples living together, 17.0% had a female householder with no husband present, and 33.5% were non-families. Individuals living alone occupied 81.2% of the non-family households; 30.4% of these individuals were 65 years of age or older. The average household size was 2.54 and the average family size was 3.07.
In the CDP, the population was spread out with 27.1% under the age of 20, 6.5% from 20 to 25, 29.6% from 25 to 44, 26.2% from 45 to 64, and 10.5% who were 65 years of age or older. The median age was 36.2 years.
In the 2009-2013 American Community Survey 5-Year Estimates, the median income for a household in the CDP was $60,201, and the median income for a family was $65,911. The per capita income for the CDP was $72,714. About 11.6% of families and 14.4% of the population were below the poverty line, including 20.1% of those under age 18 and 6.6%% of those age 65 or over.