 27.40% of the county's population was under age 18, 7.50% was from age 18 to 24, 27.80% was from age 25 to 44, 23.20% was from age 45 to 64, and 14.10% were age 65 or older.The median age was 37 years.For every 100 females there were 100.30 males.