2020 census The 2020 United States census counted 26 people, 13 households, and 7 families in Radium. The population density was 634.1 per square mile (244.8/km). There were 16 housing units at an average density of 390.2 per square mile (150.7/km). The racial makeup was 76.92% (20) white or European American (76.92% non-Hispanic white), 7.69% (2) black or African-American, 0.0% (0) Native American or Alaska Native, 0.0% (0) Asian, 0.0% (0) Pacific Islander or Native Hawaiian, 0.0% (0) from other races, and 15.38% (4) from two or more races. Hispanic or Latino of any race was 0.0% (0) of the population.
2020 census The 2020 United States census counted 26 people 13 households and 7 families in Radium The population density was 6341 per square mile (2448/km) There were 16 housing units at an average density of 3902 per square mile (1507/km) The racial makeup was 7692% (20) white or European American (7692% non-Hispanic white) 769% (2) black or African-American 00% (0) Native American or Alaska Native 00% (0) Asian 00% (0) Pacific Islander or Native Hawaiian 00% (0) from other races and 1538% (4) from two or more races Hispanic or Latino of any race was 00% (0) of the population