 In the county, the population was spread out with 30.10% under the age of 18, 7.00% from 18 to 24, 31.10% from 25 to 44, 23.30% from 45 to 64, and 8.60% who were 65 years of age or older.The median age was 35 years.For every 100 females, there were 100.80 males.