 The average household size was 2.52 and the average family size was 3.01.In the county, the population was spread out with 23.7% under age of 18, 8.0% from 18 to 24, 23.8% from 25 to 44, 30.1% from 45 to 64, and 14.5% who were 65 years of age or older.The median age was 41 years.