From a total population of 17,555, Saint Marys has a median age of 30.5. The average age of males, in Saint Marys, is 26.4 while the average age of females is 35.3. When you compare this to median age of Georgia, Saint Marys is 5.3 years younger.
The median income of individuals, in Saint Marys, is $24,156 while the average household income is $51,442. When comparing the median income of people living in Saint Marys to the rest of Georgia, the average income in Saint Marys is $1,271 less.