Idaho · 1st District · 2026

Idaho’s 1st District moved 10 points toward the Democrats

Russ Fulcher won re-election with 64.3%, a R+35.5 margin against Idaho’s 1st District’s R+45.6 vote for House in 2024.

Live · Updated 5:50 p.m. ET, Nov. 5 · 99% reported

64.3

Russ Fulcher

243,645 votes

✓ Winner · AP call 11:43 p.m. ET, Nov. 3

28.8

Kaylee Peterson

108,990 votes

Vote share · per NPR99% reported

64.3%28.8%

Also: Zabel 6.1% · Other 0.9%

Margin vs 2024D+10.1 swing

2026 R+35.5

2024 House R+45.6

Circle size: votes counted. Colour: the leader, darker for a wider margin; grey until half the vote is in. District tint: the districtwide leader. Point at a circle for its count.

Each place shows the latest report from any source we collect: AP, the networks, DDHQ and state and county election offices, credited row by row. Race calls are AP’s. Counts are unofficial until certified. How we collect and check results.