The1998 United States House of Representatives elections in Idaho were held on November 3, 1998, to elect the state ofIdaho's two members to theUnited States House of Representatives.
Incumbent Republican CongresswomanHelen Chenoweth ran for re-election to a third term. She defeated farmer Jim Pratt in the Republican primary by a wide margin, winning 71 percent of the vote. In the general election, she faced Democratic nominee Dan Williams, in a rematch of their1996race. While Chenoweth only narrowly defeated Williams in 1996, she won by a wider margin the second time, receiving 55 percent of the vote to Williams's 45 percent.
Republican CongressmanMike Crapo opted to run for theUnited States Senate rather than seek re-election.[6]Mike Simpson, the Speaker of theIdaho House of Representatives, narrowly won the Republican primary to succeed Crapo, winning 40 percent of the vote to State Representative Mark Stubbs's 35 percent. In the general election, he was challenged by former CongressmanRichard H. Stallings, the Democratic nominee.