From a total population of 707,185, DeKalb County has a median age of 34.9. The average age of males, in DeKalb County, is 33.6 while the average age of females is 36.1. When you compare this to median age of Georgia, DeKalb County is 0.9 years younger.
The median income of individuals, in DeKalb County, is $28,971 while the average household income is $50,799. When comparing the median income of people living in DeKalb County to the rest of Georgia, the average income in DeKalb County is $3,544 more.