Barnesville is a village in Belmont County, Ohio, United States. It is located in the central portion of Warren Township in Belmont County and is part of the Wheeling, West Virginia Metropolitan Statistical Area. The population was 4,193 at the 2010 census.HistoryThe town was named after James Barnes, who was the first settler. Barnes was born in Montgomery County, Maryland and was married to Nancy Harrison, described as "an intelligent Quaker lady." Barnes owned a farm in Montgomery County, and later laid out a town there, also known as Barnesville, Maryland, where he operated a country store for a time. In 1803, he moved to Ohio, settling first in St. Clairsville, where he operated a tavern and general store. In 1806 Barnes settled in Warren Township, Belmont County and cleared away the forest and built a house, established a tannery and general store and planted orchards. In November 1808, the town of Barnesville was laid out, and four years later Mr. Barnes and his family became permanent residents of the new village. Barnesville was described in 1833 as having six stores and a steam mill.Barnesville was incorporated as a village in 1835.GeographyBarnesville is located at.According to the United States Census Bureau, the village has a total area of 1.95sqmi, of which, 1.94sqmi is land and 0.01sqmi is water.Demographics2010 censusAs of the census of 2010, there were 4,193 people, 1,763 households, and 1,114 families residing in the village. The population density was 2161.3PD/sqmi. There were 2,011 housing units at an average density of 1036.6/sqmi. The racial makeup of the village was 97.0% White, 0.9% African American, 0.1% Native American, 0.3% Asian, and 1.6% from two or more races. Hispanic or Latino of any race were 0.6% of the population.