2010Final results
2010 election for Louisiana's 6th District
U.S. House · Louisiana
Bill Cassidy (R) won with 65.6% of the vote, defeating Merritt E. McDonald Sr. (D) by 31.3 points.
Bill CassidyRepublican · winner
65.6%138,607
Merritt E. McDonald Sr.Democrat
34.4%72,577
211,184 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.
No DemocratBill Cassidy
—
Raised by the campaign
$1.6M
—
Spent by the campaign
$738.2K
—
Cash on hand
$889.1K
Campaign money: FEC, through Dec 31, 2010.
Source: FEC campaign filingsUpdated Dec 31, 2010