A poll worker in Sun Prairie, Wis., is seen during the state’s April 7 primary. A record number of Wisconsin voters are expected to vote by mail this fall, but polls indicate Republicans are far more likely to vote in person, which has some GOP officials worried it could hurt the party’s chances.

SUN PRAIRIE, WI – APRIL 07: Poll worker Rhonda Griffin stands ready to hand out sterilized pens at a polling place on April 7, 2020 in Sun Prairie, Wisconsin. Residents in Wisconsin went to the polls a day after the U.S. Supreme Court voted against an extension of the absentee ballot deadline in the state. Because of the coronavirus, the number of polling places was drastically reduced. (Photo by Andy Manis/Getty Images)