Redistricting gives GOP edge but also tighter margins in some races

Tennessee Republicans recently redrew congressional district maps to ensure nine GOP representatives in the 2024 midterms, up from eight previously. The redistricting focused on weakening Democratic strongholds in Memphis by spreading Shelby, Haywood, Hardeman, Davidson, and Rutherford counties across four districts—a strategy called cracking. While East Tennessee’s 1st, 2nd, and 3rd districts saw minimal changes, other areas became more competitive. For example, the 7th district’s Republican voting power dropped from 59% (where Mark Green defeated Megan Barry in 2024) to a projected 57%, and the 4th district’s lean fell from 70% (Scott DesJarlais’ 2024 victory) to 55%. Political scientist Kent Syler warns that overconcentrating Republican support in a 60% GOP-voting state risks spreading Democratic votes too thin, potentially flipping districts under the right conditions. Historically, midterms see lower turnout without a presidential race, as seen in 2018 when only 54% of registered voters participated. Syler notes Democrats are now more energized than Republicans, with higher engagement expected this year. A Vanderbilt poll found Trump’s approval at 49% in Tennessee—the lowest ever—while nationwide approval sits at 37%, according to a New York Times/Siena College poll. Despite Trump not being on the ballot, Syler emphasizes midterms remain tied to the president’s popularity, often leading to losses for the incumbent’s party. Democrats may capitalize on tighter margins, forcing Republicans to defend seats with increased spending and competition. Syler predicts more vibrant Democratic participation, though immediate seat flips are unlikely. The redistricting strategy aims to maximize GOP gains, but the narrower margins could create vulnerabilities in future elections if Democratic turnout remains high.