2018Final results
2018 election for Tennessee's 4th District
U.S. House · Tennessee
Scott DesJarlais (R) won with 63.4% of the vote, defeating Mariah Phillips (D) by 29.8 points.
Scott DesJarlaisRepublican · winner
63.4%147,323
Mariah PhillipsDemocrat
33.6%78,065
Michael ShupeIndependent
3.0%7,056
232,451 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET
The seat over time
D − R margin in this seat's races around 2018
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET
Money in this race
Each line compares the two campaigns on one scale.
Mariah PhillipsScott DesJarlais
$586.6K
Raised by the campaign
$544.7K
$578.8K
Spent by the campaign
$271.7K
$7.8K
Cash on hand
$363.7K
Campaign money: FEC, through Dec 31, 2018.
Source: FEC campaign filingsUpdated Dec 31, 2018