Conservative state Representative Tom Casperson, from Escanaba, won the Republican primary election over Linda Goldthorpe and Don Hooper.

Pete Hoekstra, a conservative incumbent and ranking Republican on the House Intelligence Committee, was challenged by Democrat Fred Johnson,[5] Libertarian Dan Johnson (campaign website) and U.S. Taxpayers Party candidate Ronald Graeser.

Republican Fred Upton had three opponents, Democrat Don Cooney, Green Edward Pinkney and Libertarian Greg Merle.

Republican incumbent Tim Walberg faced State Senate Minority Leader and Democratic nominee Mark Schauer, Libertarian Ken Proctor, Green Lynn Meadows and independent Sharon Reiner.

Walberg was elected in 2006 with a surprisingly thin 49.9% of the vote, despite outspending Democratic opponent Sharon Reiner 20:1.

East Lansing Democratic activist Bob Alexander (who lost in 2004 to Rogers) announced that he is running again.

Republican incumbent Joe Knollenberg was challenged by former Michigan Lottery commissioner and military veteran, Democratic nominee Gary Peters.

Libertarian Adam Goodman, Green Party Douglas Campbell and Independent Dr. Jack Kevorkian were also running.

Republican incumbent Candice Miller was challenged by Democratic nominee Robert Denison, Libertarian Neil Kiernan Stephenson, and Green Candace Caveny.

Incumbent Republican Thad McCotter was challenged by Democrat Joseph Larkin who defeated Edward Kriewall in the August 5 party primary.

12-term Democrat Sander M. Levin was challenged by Republican Bert Copple, Libertarian John Vico, Green William J. O'Palicky and U.S. Taxpayers' Lester Townsend.

Incumbent Democrat Carolyn Cheeks Kilpatrick narrowly survived the August 5 party primary.

[23] Conyers faced Libertarian Rick Secula and Green Party Clyde Shabazz in the general election.

He was challenged by Republican Jack Lynch, Libertarian Gregory Scott Stempfle, Green Aimee Smith and U.S. Taxpayers Party candidate James Wagner.

The 15th district includes Ann Arbor, Ypsilanti, Monroe, the downriver suburbs of Detroit and the semi-rural southeastern corner of Michigan.