 The population density was 76.6 people per square mile (29.6/km²).The racial makeup of Alderpoint was 170 (91.4%) White, 0 (0.0%) African American, 9 (4.8%) Native American, 1 (0.5%) Asian, 0 (0.0%) Pacific Islander, 1 (0.5%) from other races, and 5 (2.7%) from two or more races.Hispanic or Latino of any race were 10 persons (5.4%).