Incumbent Republican Mike Simpson faces Democrat Elinor Gilbreath in Idaho’s 2nd district, rated Solid or Safe Republican by major forecasters ahead of the November 3 general election. The district’s R+13 Partisan Voter Index and Simpson’s primary win with over 63 percent of the vote underscore the seat’s structural Republican lean, yet the spread across 10–25 percent victory margin buckets reflects limited recent polling and uncertainty over turnout and third-party vote share. Historical results in similar cycles and the absence of major late-breaking developments keep probabilities distributed rather than concentrated on any single range, with traders pricing in the possibility that modest shifts in voter participation or campaign intensity could alter the final spread.