The Winner
If you live in Idaho's 1st U.S. House District, you will continue to be represented in Congress by Russ Fulcher (R-ID), who has been declared the winner of the 2026 congressional race, according to the Associated Press, which called the race at 9:43 p.m. on Nov. 3.
The Race
Democrat Kaylee Peterson advanced through the May 19 Democratic primary to reach the general election ballot. Cook Political Report rated the seat Solid Republican heading into Election Day, a rating Inside Elections shared; Sabato's Crystal Ball called it Safe Republican.
Idaho's 1st Congressional District spans 16 counties, including Adams, Boise, Bonner, Boundary and Canyon, according to the U.S. Census Bureau. The district has a total population of about 986,300, a median household income of about $79,600, and a median age of about 39, according to district geographic data.
About 30 percent of adults hold a bachelor's degree or higher; the district's population is about 82.5 percent white, 0.7 percent Black, 12.5 percent Hispanic and 1.1 percent Asian, with an unemployment rate of about 3.4 percent and about 9.8 percent of residents living below the poverty line.
What's Next
Russ Fulcher is set to take office on Jan. 3, 2027. Fulcher said he wants to keep working on data-privacy issues, including protections for personal information collected by phones, cars, and surveillance cameras, according to Boise State Public Radio, which published his comments on Oct. 26.
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