Idaho elections in 2026
4 electoral votes · 2 House seats · Mountain West · 2 statewide races on the 2026 ballot
Idaho US Senate: D 26.5 to R 61.2, safe Republican, well sourced. Idaho Republican US Sen. Jim Risch retains seat against independent challenger Todd Achilles
Idaho Governor: D 32.0 to R 62.0, safe Republican, well sourced. Idaho Governor Election Results 2026: Brad Little Wins Third Term
House delegation as simulated: 0 D, 2 R, 0 tossups of 2 districts swept.
Model readings of live reporting, not polling. The full Idaho board, with sourcing and the county map where one exists, is on the Midterms 2026 tab of the homepage.
How Idaho votes
Idaho pairs one of the country's fastest-growing metros in Boise with vast agricultural and mountain counties. It is a strongly Republican state where the decisive contests are usually primaries, and growth itself has become a defining issue.
Its largest population centers include Boise, Idaho Falls, Coeur d'Alene. Where a state's people live, and what those places do for a living, is the starting point for how Electorate HQ simulations reason about it.
On the ballot in Idaho
Election day is November 3, 2026. Idaho has 2 statewide races and 2 House seats on the ballot.
Statewide races
House districts
Every House seat is elected every two years. Each district below is listed with the counties inside it, computed from the current Census boundary files, wherever those files give a clean answer. Not sure which district is yours? Use the address lookup below.
- Idaho 1st district: Ada, Adams, Benewah, Boise, Bonner, Boundary, Canyon, Clearwater and 11 more counties (19 in all)
- Idaho 2nd district: Bannock, Bear Lake, Bingham, Blaine, Bonneville, Butte, Camas, Caribou and 17 more counties (25 in all)
Find your exact districts
Your address goes to the U.S. Census Bureau's public geocoder to find your districts. It is not stored, and no AI sees it.
Which district am I in? Idaho districts by county
House districts follow population, not county lines, so a single county can hold several districts and a single district can span many. Each county is listed under the district that holds its center, so if your county appears once above, that district holds most of it and is probably yours. If it appears under several, or if you live near a district line, use the address lookup for the exact answer.
Before you vote in Idaho
Registration deadlines, early voting windows, mail ballot rules and identification requirements are all set at the state level and change between cycles, so the authoritative source is your own election office rather than any national site. The federal directory at vote.gov links to every state's registration system, and your county election office publishes the sample ballot that includes local contests.
The ballot section above covers the federal and statewide offices on the Idaho ballot for November 3, 2026. Each statewide race links to a page with current coverage and an AI-generated simulation of the contest, always labeled as a simulation rather than a poll.
Local races
Local councils and commissions, school boards, judges, sheriffs and municipal offices are also on many Idaho ballots, and they vary block by block. Your county election office publishes the authoritative local sample ballot.
Idaho's weight in Washington
Idaho carries 4 electoral votes, which ranks it 39 of 51 by that measure, and sends 2 voting members to the House.
That arithmetic is why the same national argument lands differently here than in a state of another size: a candidate courting Idaho is competing for a specific share of the map, and the issues below are the ones that share actually turns on.
How Idaho is represented
Idaho is divided into 2 House districts, each drawn to hold roughly the same number of people, while its two Senate seats represent the state as a whole. A campaign here therefore runs two different arguments at once: a local one shaped by whichever district a voter lives in, and a statewide one that has to hold together across all 2.
Electoral votes follow the same arithmetic, House seats plus two, which is why Idaho carries 4 in a presidential year and why small states carry proportionally more weight there than population alone would give them. The district list above shows every district on the 2026 ballot and the counties the boundary files place inside each one.
Latest Idaho political headlines
Idaho 2026 Election ResultsVoter Guide: 2026 General ElectionGov. Little thanks Idahoans for election victoryTerri Pickens seeks changes in race for governor of IdahoIdaho Governor Election Live Results 2026Boise Democrats make gains in the Idaho Legislature by sweeping purple districtDemocrats gain six seats in the LegislatureTech-skeptical author urges Idaho schools to rethink screensSimulate Idaho
In the Electorate HQ simulator, Idaho is one of 51 delegations that reads current reporting and decides a presidential race issue by issue. Results are AI simulations, clearly labeled, with the reasoning shown for every call. See the methodology for what that does and does not mean.
Analysis covering Idaho
Twenty-six states elect a senator and a governor on the same day in 2026
The overlap between the Senate class and the gubernatorial cohort is a coincidence of two unrelated calendars, and it decides where money goes.
The 2026 Senate map covers 62% of the country and 70% of the states
Thirty-five of fifty states vote for Senate this year. Weighted by people rather than states the share drops, and that gap is the design of the chamber.
Election night is reported in 3,142 counties and decided in 435 districts
The unit America counts votes in and the unit America allocates House seats in are different shapes, and they do not nest inside each other.