 The average household size was 2.50 and the average family size was 3.06.In the county, the population was spread out with 25.5% under the age of 18, 7.2% from 18 to 24, 21.7% from 25 to 44, 27.8% from 45 to 64, and 17.8% who were 65 years of age or older.The median age was 41.0 years.