 28.00% of all households were made up of individuals and 12.70% had someone living alone who was 65 years of age or older.The average household size was 2.32 and the average family size was 2.83.The county population contained 22.30% under the age of 18, 6.60% from 18 to 24, 24.50% from 25 to 44, 26.70% from 45 to 64, and 20.00% who were 65 years of age or older.