From a total population of 18,986, Decatur has a median age of 35.9. The average age of males, in Decatur, is 34.5 while the average age of females is 36.7. When you compare this to median age of Georgia, Decatur is 0.1 years older.
The median income of individuals, in Decatur, is $43,032 while the average household income is $77,202. When comparing the median income of people living in Decatur to the rest of Georgia, the average income in Decatur is $17,605 more.