Early voting for the June 4 primary election begins Friday, April 19.
In Brown County, a room will be set up in the basement of the courthouse annex, 25 Market St.
Voters can cast ballots Monday through Friday from 8 a.m. to 5 p.m. until Election Day, and sample ballots will be on display in the courthouse by Friday.
Democrats across South Dakota will cast ballots in the presidential primary, which features four candidates — Joe Biden, Marianne Williamson, Dean Phillips and Armando Perez-Serrato.
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Republicans in Brown County have primaries for County Commission and in legislative districts 1, 3 and 23.
In the District 3 House primary, Katie Washnok is challenging incumbent Carl Perry with the winner advancing to November. District 3 includes most of Aberdeen and some rural Brown County voters.
Voters in District 1 will decide which two Republicans join two Democrats on the general election ballot. The three GOP candidates are Logan Manhart of Aberdeen, Tamara St. John of Sisseton and Christopher Reder of Warner.
St. John currently represents District 1, which includes part of Brown and all of Roberts, Day and Marshall counties.
Republicans in District 23 will decide their candidates for both Senate and House.
Steven Roseland of Seneca and Mark Lapka of Leola meet in the Senate primary. The House primary features Spencer Gosch of Glenham, Scott Moore of Ipswich and James Wangsness of Miller.
Moore and Wangsness are incumbents, and Gosch has previously served in the Legislature.
District 23 includes some of Brown County, including a small part of Aberdeen, as well as Campbell, Edmunds, Faulk, Hand, McPherson, Potter and Walworth counties.
There is also a Republican primary for the Brown County Commission. Three members of the GOP are seeking two spots on the November ballot. They are Michael Carlsen, Kyler Dinger and incumbent Duane Sutton.
The deadline to register to vote for the primary is May 20. For information on how to register to vote, change an address or change party affiliation, visit the secretary of state’s website or call the county auditor’s office.
Voters should have a legal form of identification. In lieu of an ID, voters can fill out an affidavit.