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.
Question: How many percent were not under the age of 18?
Answer: 68.2