Dekalb County Voter Registration and Elections 4380 Memorial Dr, Decatur, GA30032 The Dekalb County Voter Registration and Elections is a service and community resource regarding election matters in…More Dekalb County. This government office maintains the county's voter registration records and operates all polling locations. A roster of incumbent government officers and candidate information are available the office's Web site. This office is the overseeing body for elections on all levels of government, from the municipal to federal. The office of Voter Registration and Elections is located in the same building as the Dekalb County Tax Commissioner and office of motor vehicle registration.