 22.20% of all households were made up of individuals and 12.10% had someone living alone who was 65 years of age or older.The average household size was 2.81 and the average family size was 3.33.The county population contained 33.00% under the age of 18, 7.40% from 18 to 24, 22.40% from 25 to 44, 21.70% from 45 to 64, and 15.60% who were 65 years of age or older.