Question: According to the 2010 census, what was the population of the city in which Robert Milton "Bob" Hartsfield was born?
Sentence (from "Bob Hartsfield"): Robert Milton "Bob" Hartsfield (December 15, 1931 in Atlanta – January 25, 1999 in Roswell, Georgia), nicknamed Poochie, was a minor league baseball player, manager and scout.
Relevant evidence: Yes