Republicans hold an 87.5% implied probability of winning the white vote in the 2026 midterms, compared with 9.5% for Democrats, consistent with longstanding patterns in congressional elections where GOP candidates have drawn majority support from white voters. Pew Research polling from July showed white registered voters favoring Republican House candidates 46% to 36%, and Rasmussen Reports data from September indicated an even split at 46% each. Broader generic ballot surveys reflect Democratic advantages overall, driven by strength among independents, women, and younger voters, yet white voter subgroups have not shifted enough to alter the expected outcome. Declining presidential approval ratings among whites in select states introduce some uncertainty in competitive districts, though education levels, regional distributions, and turnout dynamics continue to anchor the Republican edge heading into November.