 26.10% of all households were made up of individuals and 12.00% had someone living alone who was 65 years of age or older.The average household size was 2.50 and the average family size was 3.00.The county population contained 25.40% under the age of 18, 7.70% from 18 to 24, 28.40% from 25 to 44, 23.50% from 45 to 64, and 15.10% who were 65 years of age or older.