Ridgeville is a town in Franklin Township, Randolph County, Indiana, United States, along the Mississinewa River. The population was 803 at the 2010 census. History A post office called Ridgeville has been in operation since 1851. The town was named for its lofty elevation. Joab Ward, an old Settler to Ridgeville since 1819, originally laid out the village of Ridgeville, Randolph County, Indiana in 1854. Geography According to the 2010 census, Ridgeville has a total area of , all land. Demographics 2010 census As of the census of 2010, there were 803 people, 323 households, and 219 families living in the town. The population density was . There were 371 housing units at an average density of . The racial makeup of the town was 97.4% White, 0.4% Native American, 0.4% Asian, 0.2% from other races, and 1.6% from two or more races. Hispanic or Latino of any race were 0.6% of the population. There were 323 households, of which 35.6% had children under the age of 18 living with them, 46.7% were married couples living together, 15.8% had a female householder with no husband present, 5.3% had a male householder with no wife present, and 32.2% were non-families. 28.2% of all households were made up of individuals, and 12.1% had someone living alone who was 65 years of age or older. The average household size was 2.49 and the average family size was 3.01. The median age in the town was 35.1 years. 28.1% of residents were under the age of 18; 8.5% were between the ages of 18 and 24; 26.2% were from 25 to 44; 22.9% were from 45 to 64; and 14.3% were 65 years of age or older. The gender makeup of the town was 50.8% male and 49.2% female. 2000 census As of the census of 2000, there were 843 people, 340 households, and 234 families living in the town. The population density was . There were 368 housing units at an average density of . The racial makeup of the town was 99.76% White, 0.12% Native American, and 0.12% from two or more races. Hispanic or Latino of any race were 0.24% of the population. There were 340 households, out of which 32.4% had children under the age of 18 living with them, 52.9% were married couples living together, 10.9% had a female householder with no husband present, and 30.9% were non-families. 25.9%