2020 census The 2020 United States census counted 44,372 people, 13,458 households, and 10,406 families in Wentzville. The population density was . There were 14,004 housing units at an average density of . The racial makeup was 84.92% (37,681) white, 5.86% (2,600) black or African-American, 0.23% (104) Native American or Alaska Native, 1.49% (663) Asian, 0.03% (12) Pacific Islander, 1.01% (450) from other races, and 6.45% (2,862) from two or more races. Hispanic or Latino of any race was 2.9% (1,154) of the population.
2020 census. The 2020 United States census counted 44,372 people, 13,458 households, and 10,406 families in Wentzville. The population density was . There were 14,004 housing units at an average density of . The racial makeup was 84.92% (37,681) white, 5.86% (2,600) black or African-American, 0.23% (104) Native American or Alaska Native, 149% (663) Asian, 0.03% (12) Pacific Islander, 1.01% (450) from other races, and 6.45% (2,862) from two or more races. Hispanic or Latino of any race was 2.9% (1,154) of the population.