 27.30% of all households were made up of individuals and 13.20% had someone living alone who was 65 years of age or older.The average household size was 2.40 and the average family size was 2.92.The county population contained 25.40% under the age of 18, 6.60% from 18 to 24, 24.30% from 25 to 44, 27.30% from 45 to 64, and 16.60% who were 65 years of age or older.