the age distribution of the county's population was 22.9% under the age of 18, 6.7% from 18 to 24, 10.7% from 25 to 44, 28.5% from 45 to 64, and 18.1% who were 65 years of age or older. the median age was 42.6 years. for every 100 females there were 96 males.