 25.50% of all households were made up of individuals and 12.30% had someone living alone who was 65 years of age or older.The average household size was 2.45 and the average family size was 2.92.The county population contained 23.30% under the age of 18, 7.80% from 18 to 24, 26.80% from 25 to 44, 25.50% from 45 to 64, and 16.60% who were 65 years of age or older.