 30.40% of all households were made up of individuals and 14.50% had someone living alone who was 65 years of age or older.The average household size was 2.33 and the average family size was 2.88.The county population contained 23.90% under the age of 18, 6.40% from 18 to 24, 25.80% from 25 to 44, 26.00% from 45 to 64, and 18.00% who were 65 years of age or older.