 Of the 7,994 households, 38.10% had children under the age of 18 living with them, 60.40% were married couples living together, 11.50% had a female householder with no husband present, and 23.80% were not families, and 21.20% of all households were made up of individuals and 10.00% had someone living alone who was 65 years of age or older.The average household size was 2.77 and the average family size was 3.22.In the county, the population was distributed as 29.10% under the age of 18, 11.80% from 18 to 24, 25.90% from 25 to 44, 20.60% from 45 to 64, and 12.60% who were 65 years of age or older.