Wisconsin’s 6th Congressional District maintains an R+8 partisan voter index and has elected Republicans for decades, giving incumbent Rep. Glenn Grothman a structural edge heading into the November 3, 2026, general election. Grothman, first elected in 2014, secured his party’s nomination without opposition and holds a substantial fundraising lead over Democratic nominee Brad Smith, who narrowly won his primary. Nonpartisan forecasters rate the seat Solid or Safe Republican, reflecting the district’s consistent support for GOP candidates in recent presidential and House races. Smith’s campaign has drawn limited national Democratic resources compared with more competitive Wisconsin districts. A late national political shift, unusually low Republican turnout, or unforeseen personal or legal development could narrow the gap, though such factors have not materialized in current reporting.