As of the census of 2000, there were 111 people, 56 households, and 31 families residing in the town. The population density was 508.5 people per square mile (194.8/km2). There were 83 housing units at an average density of 380.2 per square mile (145.7/km2). The racial makeup of the town was 99.1% White, and 0.9% from two or more races. No African Americans, Native Americans, Asians, Pacific Islanders, or people of other races live in Opheim. Nobody in Opheim is Hispanic or Latino of any race.