The Race (United States Census) of the city was 60.3% White, 24.7% Black or African American (2013 ACS doesnt say Davenport is 25% African American, but 11%-14%, depending on how the population was measured), 0.4% Native American, 2.0% Asian, and 2.4% from two or more races. 10.2% of the population was Hispanics in the United States or Latino of any race. There were 39,124 households out of which 31.8% had children under the age of 18 living with them, 46.0% were married couples living together, 13.4% had a female householder with no husband present, and 36.6% were non-families. Of all households, 29.5% were made up of individuals and 9.4% had someone living alone who was 65 years of age or older. The average household size was 2.44 and the average family size was 3.03.. How many percent were not under the age of 18?