Tennessee’s 4th congressional district remains a solidly Republican seat under the recently redrawn map, with incumbent Scott DesJarlais facing a crowded GOP primary on August 6 before the November general election. Nonpartisan forecasters rate the race Solid or Safe Republican based on the district’s consistent partisan voting patterns, voter registration advantages, and limited Democratic infrastructure in the rural and suburban areas of Middle Tennessee. Traders assign the Republican nominee a 90.5% implied probability of victory, reflecting the absence of competitive polling or major campaign developments that would indicate a shift. A Democratic upset would require an unusually large national swing, a significant Republican scandal, or an unexpected primary surprise that weakens the eventual nominee, none of which appear imminent in current reporting.