2010Flipped from DemocraticFinal resultsIncumbent defeated
2010 election for Tennessee Senate District 25
Tennessee State Senate · Tennessee
Jim Summerville (R) won with 51.1% of the vote, defeating Doug Jackson (D) by 2.2 points, a seat Democrats won last time.
Jim SummervilleRepublican · winner
51.1%21,375
Doug JacksonDemocrat · incumbent
48.9%20,455
41,830 votes
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET
The seat over time
D − R margin in this seat's races around 2010
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET