 The population density was 305.0 people per square mile (117.8/km²).The racial makeup of Tupman was 149 (92.5%) White, 0 (0.0%) African American, 0 (0.0%) Native American, 0 (0.0%) Asian, 0 (0.0%) Pacific Islander, 2 (1.2%) from other races, and 10 (6.2%) from two or more races.Hispanic or Latino of any race were 12 people (7.5%).