2010 United States House of Representatives election in Montana

The 2010 congressional elections in Montana was held on November 2, 2010, and determined who would represent the state of Montana in the United States House of Representatives. Montana has one seat in the House, apportioned according to the 2000 United States census. Representatives are elected for two-year terms; the elected will serve in the 112th Congress from January 3, 2011 until January 3, 2013.

Candidates

 * Dennis McDonald, former Chairman of the Montana Democratic Party
 * Tyler Gernant, attorney
 * Melinda Gopher, Native American activist
 * Sam Rankin

Candidates

 * Denny Rehberg, incumbent U.S. Congressman
 * Mark T. French, Clark Fork Valley Hospital scientist
 * A. J. Otjen, Montana State University Billings professor

County results
Source

Counties that flipped from Democratic to Republican

 * Glacier (largest city: Cut Bank)