From a total population of 457,218, Williamson County has a median age of 35. The average age of males, in Williamson County, is 34.4 while the average age of females is 35.5. When you compare this to median age of Texas, Williamson County is 1.1 years older.
The median income of individuals, in Williamson County, is $31,709 while the average household income is $72,118. When comparing the median income of people living in Williamson County to the rest of Texas, the average income in Williamson County is $5,196 more.