sentences:  The average household size was 2.46 and the average family size was 2.91.Of the county's entire population, 22.63% was under the age of 18, 18.33% were 18 to 34, 22.44% were 35 to 49, 21.17% were 50 to 64, and 15.44% were 65 years of age or older.The median age was 41.3 years.