Oil Trough is a town located in the U.S. state of Arkansas. It is within Independence County and been famous for its unusual place name. It has a total area of 0.21 square miles at 35°37′46″N 91°27′41″W.The elevation is 226 feet above sea level. As of the 2010 census data, it had a total population of 260. The population density was 1,240.57/sq mi . Estimated per capita income in 2015 was $16,808. Recent job growth is positively increased by 3.01 percent. The average travel time is 19 minutes. It has Zip code 72564.