 25.00% of all households were made up of individuals and 11.50% had someone living alone who was 65 years of age or older.The average household size was 2.42 and the average family size was 2.88.The county population contained 24.10% under the age of 18, 7.40% from 18 to 24, 26.30% from 25 to 44, 26.70% from 45 to 64, and 15.60% who were 65 years of age or older.