It is spread across the geographic regions known as the Cumberland Plateau, the Highland Rim, and the Central Basin.

With close access to interstates 24, 40, and 65, subdivisions are sprouting almost exponentially, fast filling with new economy managers.

However, it began shifting rightward as Nashville's suburbs bled into the district and the rural counties trended Republican.

Longtime Democratic incumbent Bart Gordon consistently won reelection easily even as the district swung rightward after the turn of the millennium.

Since 2012, no Democrat has won an entire county within the district in any presidential, gubernatorial, senate, or congressional election.

Gore was elected to the United States Senate in 1952, where he was instrumental in creating the Interstate Highway system.

[18] Diane Black of Gallatin was elected in the Republican landslide of 2010 when Gordon retired after 26 years in Congress.