In the county, the population was spread out with 23.5% under the age of 18, 7.8% from 18 to 24, 28.5% from 25 to 44, 25.9% from 45 to 64, and 14.2% who were 65 years of age or older.  The median age was 40 years. For every 100 females, there were 93.8 males.  For every 100 females age 18 and over, there were 90.5 males.

Which gender group is larger: females or males?
females
The goal of this problem is to calculate which gender group has a larger population. By checking the passage, we can see that for every 100 females, there were 93.8 males and for every 100 females age 18 and over, there were 90.5 males are mentioned in the article respectively. Therefore it could be concluded that the female population is bigger than male one because more number (100) of females exist compared to less numbers (93.8 or 90.5) of males when being counted as groups by each hundred people from all ages or only from adults who are at least 18 years old.