sentences:  In the county, the age distribution of the population shows 10.5% under 10, 10.9% from 10 to 19, 9.9% from 20 to 29, 11.6% from 30 to 39, 13.8% from 40 to 49, 15.2% from 50 to 59, 14% from 60 to 69, 8.7% from 70 to 79, and 5.1% who were 80 years of age or older.The median age was 45.5 years.For every 100 females, there were 97.80 males.