Middletown is a town in Frederick County, Maryland, United States. The population was 4,136 as of the 2010 census. Located in the Middletown Valley that stretches between the Catoctin Mountains on the east and South Mountain on the west, the town reportedly gained its name from its location midway between those ranges.
Middletown is located at 39°26′28″N 77°32′38″W / 39.44111°N 77.54389°W / 39.44111; -77.54389 (39.441155, -77.543761).
According to the United States Census Bureau, the town has a total area of 1.74 square miles (4.51 km), all land. Catoctin Creek flows due south from approximately one mile west of town to several miles south of town.
To the east, Middletown borders Braddock Mountain, named after the British general Edward Braddock. The mountain itself, along with its community, Braddock Heights, is often said to be the roost of the mythical Snallygaster, a bird/dragon creature said to abduct livestock and people from the surrounding valley.
As of the census of 2010, there were 4,136 people, 1,484 households, and 1,166 families residing in the town. The population density was 2,377.0 inhabitants per square mile (917.8/km). There were 1,569 housing units at an average density of 901.7 per square mile (348.1/km). The racial makeup of the town was 91.9% White, 2.8% African American, 0.3% Native American, 2.8% Asian, 0.1% Pacific Islander, 0.6% from other races, and 1.6% from two or more races. Hispanic or Latino of any race were 3.1% of the population.
There were 1,484 households of which 45.3% had children under the age of 18 living with them, 64.8% were married couples living together, 10.4% had a female householder with no husband present, 3.4% had a male householder with no wife present, and 21.4% were non-families. 18.1% of all households were made up of individuals and 7.6% had someone living alone who was 65 years of age or older. The average household size was 2.79 and the average family size was 3.16.
The median age in the town was 39.6 years. 29.9% of residents were under the age of 18; 6.5% were between the ages of 18 and 24; 23.2% were from 25 to 44; 29.7% were from 45 to 64; and 10.6% were 65 years of age or older. The gender makeup of the town was 48.8% male and 51.2% female.
As of the census of 2000, there were 2,668 people, 960 households, and 728 families residing in the town. The population density was 1,577.3 people per square mile (609.5/km²). There were 981 housing units at an average density of 580.0 per square mile (224.1/km²). The racial makeup of the town was 96.89% White, 1.46% African American, 0.07% Native American, 0.34% Asian, 0.22% from other races, and 1.01% from two or more races. Hispanic or Latino of any race were 0.82% of the population.
There were 960 households out of which 44.6% had children under the age of 18 living with them, 63.6% were married couples living together, 8.6% had a female householder with no husband present, and 24.1% were non-families. 18.9% of all households were made up of individuals and 8.9% had someone living alone who was 65 years of age or older. The average household size was 2.78 and the average family size was 3.21.
In the town, the population was spread out with 32.0% under the age of 18, 5.4% from 18 to 24, 29.9% from 25 to 44, 21.7% from 45 to 64, and 11.0% who were 65 years of age or older. The median age was 36 years. For every 100 females, there were 91.8 males. For every 100 females age 18 and over, there were 87.6 males.
The median income for a household in the town was $67,266, and the median income for a family was $80,115. Males had a median income of $48,864 versus $31,602 for females. The per capita income for the town was $25,759. About 1.8% of families and 3.0% of the population were below the poverty line, including 2.1% of those under age 18 and 8.5% of those age 65 or over.