 31.30% of all households were made up of individuals and 17.00% 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 3.04.The county population contained 25.70% under the age of 18, 6.20% from 18 to 24, 24.10% from 25 to 44, 23.00% from 45 to 64, and 20.90% of over age 64.