Oil Trough, Arkansas
Town in Arkansas, United States
Oil Trough is a town in Independence County, Arkansas, United States. As of the 2020 census, Oil Trough had a population of 226. The post office opened here in 1832 under the name Pleasant Island, with a switch to the Oil Trough name in 1849. The town is believed to have acquired its name from a trough used to render bear fat, which was then sold to customers in New Orleans.