 There were 28,928 households out of which 33.4% had children under the age of 18 living with them, 53.0% were husband and wife families, 12.1% had a female householder with no husband present, 29.4% were non-families, and 24.0% were made up of individuals.The average household size was 2.61 and the average family size was 3.07.The county population contained 25.5% under age of 18, 7.8% from 18 to 24, 23.7% from 25 to 44, 29.3% from 45 to 64, and 13.8% who were 65 years of age or older.