 30.80% 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 2.32 and the average family size was 2.91.The county population contained 23.60% under the age of 18, 11.60% from 18 to 24, 26.70% from 25 to 44, 21.90% from 45 to 64, and 16.20% who were 65 years of age or older.