 The average household size was 2.61 and the average family size was 3.10.In the county, the population was spread out with 27.4% under the age of 18, 7.20% from 18 to 24, 23.4% from 25 to 44, 24.3% from 45 to 64, and 17.70% who were 65 years of age or older.The median age was 39 years.