 27.00% of all households were made up of individuals and 15.70% had someone living alone who was 65 years of age or older.The average household size was 2.47 and the average family size was 3.01.The county population contained 26.30% under the age of 18, 7.20% from 18 to 24, 24.10% from 25 to 44, 22.00% from 45 to 64, and 20.40% who were 65 years of age or older.