This is the 2010 race. The latest: 2026 →

2010Final results

2010 election for Michigan's 11th District

U.S. House · Michigan

Thaddeus McCotter (R) won with 59.3% of the vote, defeating Natalie Mosher (D) by 20.8 points.

Thaddeus McCotterRepublican · winner
59.3%141,224
38.5%91,710
John J. TatarLibertarian
2.2%5,353
238,287 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

EvenR+15.92004R+11.12006R+6.02008R+20.82010R+6.42012R+15.42014

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.

Natalie MosherThaddeus McCotter
$319.9K
Raised by the campaign
$1.2M
$319.9K
Spent by the campaign
$870.5K
$0
Cash on hand
$500.4K

Campaign money: FEC, through Dec 31, 2010.

Source: FEC campaign filingsUpdated Dec 31, 2010

The candidates

Thaddeus McCotter (R)Natalie Mosher (D)

Also on the ballot: John J. Tatar (Libertarian), 2.2%