 30.50% of all households were made up of individuals and 16.80% had someone living alone who was 65 years of age or older.The average household size was 2.35 and the average family size was 2.93.The county population contained 23.70% under the age of 18, 6.10% from 18 to 24, 23.00% from 25 to 44, 22.70% from 45 to 64, and 24.50% who were 65 years of age or older.