From a total population of 15,456, Rockdale County has a median age of 31.5. The average age of males, in Rockdale County, is 30.8 while the average age of females is 31.7. When you compare this to median age of Georgia, Rockdale County is 4.3 years younger.
The median income of individuals, in Rockdale County, is $17,495 while the average household income is $39,423. When comparing the median income of people living in Rockdale County to the rest of Georgia, the average income in Rockdale County is $7,932 less.