Tennessee's 4th Congressional District remains a solidly Republican seat despite redistricting that added portions of Davidson County, narrowing the projected presidential margin from prior cycles. Incumbent Scott DesJarlais secured his party's nomination with two-thirds of the primary vote and holds a substantial fundraising edge over Democratic nominee Victoria Broderick, who advanced from a low-turnout primary. Nonpartisan forecasts project a Republican margin near 19 points based on partisan lean, incumbency, and historical voting patterns, aligning with trader consensus reflected in current pricing. Broderick faces structural barriers including limited name recognition and resources in a district where Republicans have dominated recent contests. Late developments such as a major scandal or significant national partisan shift could narrow the gap before the November 3 general election, though no public polling indicates movement in that direction.