 The average household size was 2.54 and the average family size was 3.05.In the county, the population was spread out with 26.60% under the age of 18, 8.50% from 18 to 24, 29.00% from 25 to 44, 23.90% from 45 to 64, and 12.00% who were 65 years of age or older.The median age was 36 years.