 The average household size was 2.89 and the average family size was 3.43.In the county, the population was spread out with 31.60% under the age of 18, 8.10% from 18 to 24, 24.60% from 25 to 44, 21.10% from 45 to 64, and 14.60% who were 65 years of age or older.The median age was 34 years.