Evanston is an unincorporated community in Huff Township, Spencer County, in the U.S. state of Indiana.A post office was established at Evanston in 1891, and remained in operation until it was discontinued in 1989.Evanston is located at 38°02′22″N 86°50′30″W / 38.03944°N 86.84167°W / 38.03944; -86.84167 at an elevation of 413 feet.The nearest city is Tell City.