Kathie Gannon, the incumbent DeKalb County Commission for District 6, won re-election Tuesday night in the Democratic primary.
With all precincts reporting, she had 75.08 percent of the vote for the Democratic nomination, compared to 24.92 percent for her opponent, Edmond Richardson.
"I've been working hard for the people in my district," Gannon said late Tuesday night. "I've developed relationships with the people in my district."
The vote totals included mail-in ballots did not include provisionals. The provisional ballots could not change the outcome.
Because no Republicans signed up to run for the seat in the November general election, the primary win is tantamount to re-election.
Gannon has served on the DeKalb County Board of Commissioners since January 2005.
She represents Super District 6, which includes much of the western part of DeKalb County. She lives in Decatur.
Richardson has served as chief of staff to DeKalb County Commissioner Lee May.