If you are in doubt about whether you are registered, check the Voter Information Portal at vip.sdsos.gov/VIPLogin.aspx or call the county auditor at 605-394-2153.
Mail the ballot to Pennington County Auditor, PO Box 6160, Rapid City, SD 57709.
Postage to return a voted ballot is $1.50 or 3 Forever Stamps - don't forget to SIGN the back of the return envelope.
You may drop your voted ballot off in person by returning the ballot to the County Administration Building, 130 Kansas City Street and dropping your ballot into the ballot box in the Auditor's Office.