It has been represented by Republican Rusty Crowe since 1990.

[2] District 3 is based in Johnson City, the southernmost Tri-Cities, covering all of Johnson, Washington,and Carter County.

Other communities in the district include Elizabethton, Jonesborough, Erwin, Oak Grove, and Unicoi.

[4] It borders the state of North Carolina.

[1] Tennessee Senators are elected to staggered four-year terms, with odd-numbered districts holding elections in midterm years and even-numbered districts holding elections in presidential years.