 The average household size was 2.49 and the average family size was 2.99.In the county, the population was spread out with 25.40% under the age of 18, 7.90% from 18 to 24, 29.70% from 25 to 44, 24.00% from 45 to 64, and 13.10% who were 65 years of age or older.The median age was 38 years.