From a total population of 121,975, Grayson County has a median age of 40.1. The average age of males, in Grayson County, is 38.1 while the average age of females is 41.5. When you compare this to median age of Texas, Grayson County is 6.2 years older.
The median income of individuals, in Grayson County, is $24,614 while the average household income is $47,631. When comparing the median income of people living in Grayson County to the rest of Texas, the average income in Grayson County is $1,899 less.