 25.70% of all households were made up of individuals and 12.20% had someone living alone who was 65 years of age or older.The average household size was 2.41 and the average family size was 2.87.The county population contained 23.50% under the age of 18, 6.40% from 18 to 24, 24.40% from 25 to 44, 27.00% from 45 to 64, and 18.80% who were 65 years of age or older.