 20.60% of all households were made up of individuals and 6.50% had someone living alone who was 65 years of age or older.The average household size was 2.78 and the average family size was 3.22.In the county, 27.60% of the population was under the age of 18, 8.00% from 18 to 24, 27.40% from 25 to 44, 26.60% from 45 to 64, and 10.40% who were 65 years of age or older.