Aberdeen is a city located in Harford County, Maryland, 26 miles (42 km) northeast of Baltimore. The population was 14,959 at the 2010 United States Census. Aberdeen is the largest municipality in Harford County.
According to the United States Census Bureau, the city has a total area of 6.81 square miles (17.64 km), of which, 6.80 square miles (17.61 km) is land and 0.01 square miles (0.03 km) is water.
As of the census of 2000, there were 13,842 people, 5,475 households, and 3,712 families residing in the city. The population density was 2,166.2 people per square mile (836.4/km²). There were 5,894 housing units at an average density of 922.4 per square mile (356.1/km²). The racial makeup of the city was 64.90% White, 27.38% African American, 0.25% Native American, 2.48% Asian, 0.09% Pacific Islander, 1.42% from other races, and 3.47% from two or more races. Hispanic or Latino of any race were 3.45% of the population.
There were 5,475 households out of which 32.4% had children under the age of 18 living with them, 44.8% were married couples living together, 17.2% had a female householder with no husband present, and 32.2% were non-families. 26.8% of all households were made up of individuals and 10.7% had someone living alone who was 65 years of age or older. The average household size was 2.51 and the average family size was 3.02.
In the city, the population was spread out with 26.4% under the age of 18, 8.7% from 18 to 24, 28.6% from 25 to 44, 23.7% from 45 to 64, and 12.7% who were 65 years of age or older. The median age was 37 years. For every 100 females, there were 90.6 males. For every 100 females age 18 and over, there were 85.8 males.
The median income for a household in the city was $39,190, and the median income for a family was $48,357. Males had a median income of $32,783 versus $26,025 for females. The per capita income for the city was $18,940. About 9.0% of families and 11.9% of the population were below the poverty line, including 15.9% of those under age 18 and 11.1% of those age 65 or over.
As of the census of 2010, there were 14,959 people, 5,801 households, and 3,897 families residing in the city. The population density was 2,199.9 inhabitants per square mile (849.4/km). There were 6,191 housing units at an average density of 910.4 per square mile (351.5/km). The racial makeup of the city was 58.9% White, 30.5% African American, 0.4% Native American, 2.9% Asian, 0.3% Pacific Islander, 1.6% from other races, and 5.3% from two or more races. Hispanic or Latino of any race were 5.4% of the population.
There were 5,801 households of which 34.3% had children under the age of 18 living with them, 43.5% were married couples living together, 18.3% had a female householder with no husband present, 5.4% had a male householder with no wife present, and 32.8% were non-families. 26.7% of all households were made up of individuals and 10.8% 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 3.09.
The median age in the city was 38 years. 24.7% of residents were under the age of 18; 9.2% were between the ages of 18 and 24; 24.9% were from 25 to 44; 28.6% were from 45 to 64; and 12.6% were 65 years of age or older. The gender makeup of the city was 47.8% male and 52.2% female.