 24.00% of all households were made up of individuals and 8.80% had someone living alone who was 65 years of age or older.The average household size was 2.56 and the average family size was 3.05.The county population contained 24.70% under the age of 18, 16.40% from 18 to 24, 26.90% from 25 to 44, 21.20% from 45 to 64, and 10.80% who were 65 years of age or older.