 22.30% of all households were made up of individuals and 8.20% had someone living alone who was 65 years of age or older.The average household size was 2.55 and the average family size was 2.95.The county population contained 25.60% under the age of 18, 7.60% from 18 to 24, 28.60% from 25 to 44, 24.50% from 45 to 64, and 13.70% who were 65 years of age or older.