2018Final results
2018 election for Ohio's 10th District
U.S. House · Ohio
Mike Turner (R) won with 55.9% of the vote, defeating Theresa A. Gasper (D) by 13.8 points.
Mike TurnerRepublican · winner
55.9%157,554
Theresa A. GasperDemocrat
42.2%118,785
David A. HarlowLibertarian
1.9%5,387
281,726 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.
Theresa A. GasperMike Turner
$1.2M
Raised by the campaign
$1.2M
$1.2M
Spent by the campaign
$1.5M
$16.6K
Cash on hand
$61.2K
Campaign money: FEC, through Dec 31, 2018.
Source: FEC campaign filingsUpdated Dec 31, 2018