Tom Latham was elected to the U.S. House in 1994, defeating Democrat Sheila McGuire with 61 percent of the vote. He was re-elected in 1996 with 65 percent of the vote, defeating Democrat MacDonald Smith. In 1998, Latham won re-election without opposition.
In 2000, he defeated Thomas D. Hall, a Glidden farmer, in the Republican Primary for the 5th District. Latham won re-election in 2000 with 69 percent of the vote.
He was re-elected in 2002.