What the Governor of Tennessee Can Do About Congressional Maps

Every 10 years, states redraw the maps that decide who represents us in Congress. In Tennessee, a state dominated by one party, many wonder: what power does the governor actually have to influence this high-stakes political process?

The Legislature Holds the Pen

First, let's be clear about who’s in charge. In Tennessee, the state legislature has the primary responsibility for drawing and passing new maps for both congressional and state legislative districts. This means a group of 132 lawmakers—99 in the House and 33 in the Senate—are the ones who draft the boundary lines. They treat these maps like any other piece of legislation, meaning they must pass through committees and get a majority vote in both chambers. There are few state-level rules guiding them on congressional maps, besides federal requirements like equal population. This gives the party in power significant control from the very start of the process.

The Governor’s Big Red Pen: The Veto

Once the General Assembly passes a new set of maps, they don't automatically become law.

Like any other bill, they land on the governor’s desk. Here, the governor has one major, formal power: the veto. If the governor believes the maps are unfairly drawn, politically problematic, or legally unsound, they can refuse to sign them and send them back to the legislature with objections. This is the most direct and constitutionally defined tool a Tennessee governor has to block a redistricting plan they oppose. In theory, it’s a powerful check on the legislature's authority, forcing lawmakers to either reconsider their plan or muster the votes to override the governor's decision.

The Reality of the Veto Override

This is where political reality crashes into constitutional theory. To override a governor's veto in Tennessee, the legislature needs a simple majority of all elected members in both the House and the Senate—50 votes in the House and 17 in the Senate. For years, the Republican party has held a supermajority in both chambers, far exceeding the number of votes needed for an override. As of 2026, the GOP holds 75 of 99 House seats and 27 of 33 Senate seats. This means if a Republican governor were to veto maps drawn by a Republican-led legislature, his own party could easily overrule him. This political alignment dramatically weakens the veto, turning it into more of a political statement than a genuine roadblock. The legislature ultimately has the final say if it maintains party discipline.

Soft Power and the Bully Pulpit

So if the veto is a paper tiger, what's left? The governor’s influence often comes from “soft power.” This includes using the “bully pulpit” to publicly praise or condemn a proposed map, shaping public opinion and putting pressure on legislators. A governor can also act as a chief negotiator, working behind the scenes with legislative leaders to influence the maps long before they come up for a vote. This is especially true when the governor and legislature are from the same party. The governor's power becomes less about confrontation and more about collaboration and persuasion, ensuring the final product is something they can publicly support and sign, as was the case with maps passed in 2022 and during a 2026 special session.