Adelphi, Ohio

Adelphi is a village in Ross County, Ohio, United States. The population was 380 at the 2010 census.Adelphi was laid out in 1804 by two brothers, and named after the Greek word for "brothers". Adelphi was incorporated as a village in 1838.GeographyAdelphi is located at .According to the United States Census Bureau, the village has a total area of 0.27sqmi, all land.Demographics2010 censusAs of the census of 2010, there were 380 people, 154 households, and 100 families residing in the village. The population density was 1407.4PD/sqmi. There were 175 housing units at an average density of 648.1/sqmi. The racial makeup of the village was 95.0% White, 1.6% African American, 0.3% Asian, and 3.2% from two or more races.There were 154 households of which 34.4% had children under the age of 18 living with them, 47.4% were married couples living together, 11.7% had a female householder with no husband present, 5.8% had a male householder with no wife present, and 35.1% were non-families. 29.2% of all households were made up of individuals and 11.6% had someone living alone who was 65 years of age or older. The average household size was 2.47 and the average family size was 3.00.