Newtown, Ohio  Newtown is a village in southeastern Hamilton County, Ohio, United States, near Cincinnati. The population was 2,672 at the 2010 census. Newtown was settled in 1792 and incorporated as a village in 1901. Multiple Native American mounds and other earthworks were once located on the site of Newtown. Newtown was first settled in 1792 under the name of Mercersburg. The name was changed before the village incorporated in 1901. Still in existence today are the Odd Fellows' Cemetery Mound and the Perin Village Site, plus the Turpin Site and the Hahn Field Archeological District just outside the village's boundaries. Newtown withdrew from Anderson Township in the 1960s by forming a paper township. Newtown is located at (39.125811, -84.358102). It is surrounded by Anderson Township, from which it was split in the 1960s. According to the United States Census Bureau, the village has a total area of , of which is land and is water. As of the census of 2010, there were 2,672 people, 1,123 households, and 724 families living in the village. The population density was . There were 1,227 housing units at an average density of . The racial makeup of the village was 94.6% White, 1.4% African American, 0.2% Native American, 1.6% Asian, 0.8% from other races, and 1.4% from two or more races. Hispanic or Latino of any race were 2.1% of the population. There were 1,123 households of which 31.8% had children under the age of 18 living with them, 49.2% were married couples living together, 10.9% had a female householder with no husband present, 4.5% had a male householder with no wife present, and 35.5% were non-families. 29.1% of all households were made up of individuals and 8.4% had someone living alone who was 65 years of age or older. The average household size was 2.38 and the average family size was 2.96. The median age in the village was 39 years. 24.5% of residents were under the age of 18; 6% were between the ages of 18 and 24; 27.5% were from 25 to 44; 29.4% were from 45 to 64; and 12.5% were 65 years of age or older. The gender makeup of the village was 48.2% male and 51.8% female.