Oden is a town in Montgomery County, Arkansas, United States. As of the 2020 census, its population was 180, down from 232 in 2010. Arkansas Highway 88 is the main road through the town, leading east 2.5 miles to Pencil Bluff and west 28 miles to Mena. Mount Ida, the Montgomery county seat, is 11 miles southeast of Oden via AR 88 and US 270.