How many senators and representatives are of the mormon faith?

The current (March 2012) members of the US House of Representatives who are baptized members of the Church of Jesus Christ of Latter-day Saints (the 'Mormon' church) are:

Jeff Flake (R), Arizona

Wally Herger (R), California

Howard McKeon (R), California

Raul Labrador (R), Idaho

Mike Simpson (R), Idaho

Rob Bishop (R), Utah

Jason Chaffetz (R), Utah

Jim Matheson (D), Utah

Leonard Boswell (D-Iowa) is a member of the Community of Christ, which split from the mainstream Mormon church around 1846 after founder Joseph Smith was killed. Community of Christ members believe Joseph Smith's son was the rightful successor, while mainstream Mormons believe Brigham Young was.

Delegate Eni Fa'aua'a Hunkin Faleomavaega, Jr. (D-American Samoa) is also a Mormon.

Former members of the US House of Representatives that were Mormon include Chris Cannon (R-Utah)

Delwin Morgan Clawson (R-California)

John Doolittle (R-California)

Jim Gibbons (R-Nevada)

Jim Hansen (R-Utah)

Ralph Harding (D-Idaho)

Ernest Istook (R-Oklahoma)

David S. King (D-Utah)

William H. King (D-Utah)

Howard Nielson (R-Utah)

Dan Marriott (R-Utah)

Ron Packard (R-California)

Harry Reid (D-Nevada *former Speaker of the House)

Tom Udall (D-New Mexico)