Middletown is a town in northwest Henry County, Indiana, United States. The population was 2,322 at the 2010 census. History Middletown was platted in 1829. The town's name is locational, for it lies halfway between New Castle and Anderson. A post office was established at Middletown in 1830. Middletown was incorporated as a town in 1840. The John W. Hedrick House and Middletown Commercial Historic District are listed on the National Register of Historic Places. Geography Middletown is located at (40.057094, -85.541098). According to the 2010 census, Middletown has a total area of , all land. Demographics 2010 census As of the 2010 United States Census, there were 2,322 people, 894 households, and 594 families in the town. The population density was . There were 998 housing units at an average density of . The racial makeup of the town was 97.6% White, 0.3% African American, 0.1% Native American, 0.5% Asian, 0.2% from other races, and 1.3% from two or more races. Hispanic or Latino of any race were 0.8% of the population. There were 894 households, of which 37.5% had children under the age of 18 living with them, 42.8% were married couples living together, 17.7% had a female householder with no husband present, 5.9% had a male householder with no wife present, and 33.6% were non-families. 27.7% of all households were made up of individuals, and 10.6% 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. The median age in the town was 36.6 years. 27.8% of residents were under the age of 18; 9% were between the ages of 18 and 24; 24.9% were from 25 to 44; 22.6% were from 45 to 64; and 15.6% were 65 years of age or older. The gender makeup of the town was 46.8% male and 53.2% female. 2000 census As of the 2000 United States Census, there were 2,488 people, 984 households, and 651 families in the town. The population density was . There were 1,051 housing units at an average density of . The racial makeup of the town was 98.31% White, 0.48% African American, 0.28% Native American, 0.28% Asian, 0.04% from other races, and 0.60% from two or more races. Hispanic or Latino of any race were 0.28% of the population. There were 984 households, out of which 36.3% had children