While a federal judged reopened voter registration in the 6th District through May 21, the order only applies to parts of Cobb, DeKalb and Fulton counties that are within the district's boundaries.

RUNOFF ELECTION date: June 20

The candidates: Republican Karen Handel and Democrat Jon Ossoff

The district: The 6th Congressional District stretches from east Cobb County across north Fulton County to north DeKalb County.

HOW TO REGISTER TO VOTE IN THE 6TH DISTRICT 

The runoff is open only to residents of Georgia’s 6th congressional district, which covers parts of Cobb, DeKalb and Fulton counties that are within the district’s boundaries.

To find out if you live in the district or to register to vote:

For online voter registration, go to the Secretary of State Office's website (www.sos.ga.gov) and, under the elections tab, click "Register to Vote."

Mail in hard-copy voter registration applications but make sure it is postmarked before May 21 (which is a Sunday). To get a copy, visit your local elections office or download a voter registration application (http://sos.ga.gov/index.php/Elections/register_to_vote).

Text "GA" or "Georgia" to "2VOTE" (28683). This service is sponsored by the state.

Download the free "GA SOS" app on your smartphone via iTunes or Google Play for Android.

Georgia District 6 Runoff: Democratic candidate for the 6th district Jon Ossoff (Video by Armani Martin)

Georgia District 6 Runoff: Republican candidate for the 6th district Karen Handel (Video by Armani Martin)