2024Final results
2024 election for Tennessee House District 78
Tennessee House of Representatives · Tennessee
Mary Littleton (R) won with 74.1% of the vote, defeating Deborah Castle Doyle (D) by 48.2 points.
Mary LittletonRepublican · winner
74.1%23,678
Deborah Castle DoyleDemocrat
25.9%8,270
31,948 votes
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 12:13 PM ET
The seat over time
D − R margin in this seat's races around 2024
Races before and after
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 12:13 PM ET