2010Final results
2010 election for Oklahoma's 5th District
U.S. House · Oklahoma
James Lankford (R) won with 62.5% of the vote, defeating Billy Coyle (D) by 28.0 points.
James LankfordRepublican · winner
62.5%123,236
Billy CoyleDemocrat
34.5%68,074
Clark DuffeIndependent
1.6%3,067
Dave WhiteIndependent
1.4%2,728
197,105 votes
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET
The seat over time
D − R margin in this seat's races around 2010
Races before and after
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET
Money in this race
Each line compares the two campaigns on one scale.
Billy CoyleJames Lankford
$365.8K
Raised by the campaign
$1.2M
$358.6K
Spent by the campaign
$1.2M
$7.3K
Cash on hand
$89.3K
Other candidates' campaigns: Dave White $32.5K.
Campaign money: FEC, through Dec 31, 2010.
Source: FEC campaign filingsUpdated Dec 31, 2010
The candidates
James Lankford (R)Billy Coyle (D)
Also on the ballot: Clark Duffe (Independent), 1.6%; Dave White (Independent), 1.4%