McCotter is married to Rita Michel, a Mexican-American, with whom he has three children, George, Timothy, and Emilia. He is a Roman Catholic who opposes abortion.

Newscom
"The Second Amendments," congressional band. Clockwise from bottom, Reps. Kenny Hulshof, R-Mo., Collin Peterson, D-Minn., Dave Weldon, R-Fla., Jon Porter, R-Nev., and Thaddeus McCotter, R-Mich., rehearse in Peterson's office.