Tennessee State Senate seat · lines in effect since 2022

Tennessee Senate District 18

A district of about 216,000 people, 32% of adults with a bachelor's degree. It votes R+42.2 relative to the nation for president.

Where it sits among all 33 seats

Every Tennessee State Senate seat by partisan lean, from most Democratic to most Republican. Lean is the seat's presidential vote on current lines, relative to the nation.

R+42.220th most
Democratic
Most DemocraticMost Republican17th seat · the majority lineDistrict 18

Source: 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET

Every race on these lines

Results recomputed from precinct returns as if today's boundaries had always existed, so years compare like for like.

2024
U.S. SenateR+54.7

Outlined: the race for this seat itselfBlank: no race that year

Source: 99chambers results archive: precinct results allocated to current lines; 2026: civicAPIUpdated Nov 7, 2026, 3:01 PM ET

Who lives here, compared

Grey bars show the spread of all 33 seats. Small marks are other seats in Tennessee. The black marker is District 18.

Adults with a bachelor's degree32% 69th pct · 11th of 33 in TN

Higher than 69% of seats.

White adults without a degree55% 56th pct · 15th of 33 in TN

Higher than 56% of seats.

Hispanic residents7% 62nd pct · 13th of 33 in TN

Higher than 62% of seats.

Black residents8% 44th pct · 19th of 33 in TN

Lower than 56% of seats.

Asian residents1% 59th pct · 14th of 33 in TN

Higher than 59% of seats.

People per square mile328 56th pct · 15th of 33 in TN

Denser than 56% of seats.

Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current linesUpdated Oct 13, 2026, 5:06 AM ET