Idaho has 2 congressional districts in the U.S. House of Representatives, making it a smaller delegation in Congress. The state’s current district boundaries were established following the 2020 Census redistricting process, which determined how the state’s population would be distributed across its House seats.
Idaho’s House delegation currently has 2 Republicans out of 2 seats. All 2 seats are up for election on November 3, 2026.
Idaho is also represented in the U.S. Senate by Mike Crapo (R) and Jim Risch (R). Idaho’s two senators are elected statewide, while its 2 House members are each elected by one district. Which of the 2 districts in Idaho you live in decides who represents you and which House candidates appear on your ballot.
House Districts
2
Party Balance
2 R / 0 D
Population (2020)
1,839,106
U.S. Senators
Mike Crapo (R)
Jim Risch (R)
All congressional districts in this state, 119th Congress. Boundary data: U.S. Census Bureau TIGERweb. Map tiles: OpenStreetMap.
Find Your Idaho District
Enter your ZIP code to instantly find which Idaho congressional district you live in.
This page covers U.S. House districts only. Idaho also has state legislative districts, which are drawn separately and elect members of the state legislature. To find yours, use the USAGov directory of elected officials.
All Idaho Congressional Districts
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Learn More
Explore our resources on congressional districts, redistricting, and how to engage with your representatives.
Browse All 435 Districts →
What congressional district am I in? →
For the 2026 races in Idaho, including the districts to watch and the primary date, see 2026 Congressional Elections in Idaho.
2026 Senate race
Idaho has a U.S. Senate seat on the ballot on November 3, 2026. The seat is currently held by James Risch (R), who is running for re-election. Senate elections in Idaho are statewide. The 2 House races listed here are decided district by district. For every 2026 Senate race, see the 2026 Senate elections tracker.
Learn more about Congress
Idaho representatives and contact details
Idaho has 2 congressional districts.
| District | Representative | Party | Contact |
|---|---|---|---|
| ID-1 1st | Russ Fulcher | R Republican Party | 202-225-6611 Official website |
| ID-2 2nd | Michael K. Simpson | R Republican Party | 202-225-5531 Official website |
Idaho congressional delegation
Idaho has 4 seats in Congress: 2 in the U.S. House of Representatives and 2 in the U.S. Senate.
The House delegation has 2 Republicans.
House members by party
Republican (2)
Russ Fulcher (District 1), Michael K. Simpson (District 2)
Idaho in the U.S. Senate
Idaho is represented in the U.S. Senate by James E. Risch (Republican) and Mike Crapo (Republican).
Seats on the Idaho ballot this year are listed on the Idaho 2026 elections page.
Frequently Asked Questions
How many congressional districts does Idaho have?
Idaho has 2 congressional districts, each electing one member to the U.S. House of Representatives.
Who represents Idaho in the U.S. House of Representatives?
The U.S. Representatives from Idaho are: Russ Fulcher (ID-1), Michael K. Simpson (ID-2).
How do I find which Idaho congressional district I live in?
Use the lookup on the home page. If your ZIP code spans more than one district, it will ask for your street address.
When is the next election for Idaho U.S. House seats?
All 435 U.S. House seats are up for election every two years, in even-numbered years on the first Tuesday after the first Monday in November.
Districts by ZIP code in Idaho
Idaho covers 286 ZIP codes across its 2 districts. A ZIP code is a mail delivery route, not a political boundary, so the two do not line up. 14 of those ZIP codes fall in more than one district.
To get an exact answer for an address, use the lookup on the home page. A full street address resolves a split ZIP code; a five digit ZIP on its own cannot.
ZIP codes in Idaho that cross district lines include:
- 83302: districts 1st, 2nd
- 83316: districts 1st, 2nd
- 83616: districts 1st, 2nd
- 83624: districts 1st, 2nd
- 83627: districts 1st, 2nd
- 83642: districts 1st, 2nd
- 83646: districts 1st, 2nd
- 83647: districts 1st, 2nd
- 83702: districts 1st, 2nd
- 83705: districts 1st, 2nd
- 83709: districts 1st, 2nd
- 83713: districts 1st, 2nd
Every district page on this site lists the full ZIP code set for that district. ZIP to district data comes from the U.S. Census Bureau block equivalency file for the 119th Congress.
Districts by major city in Idaho
Large cities often sit in more than one congressional district. These are the largest cities named on the district pages for Idaho, with the district or districts that cover each one.
- Boise City: district 2nd
- Caldwell: district 1st
- Coeur d'Alene: district 1st
- Idaho Falls: district 2nd
- Meridian: district 1st
- Nampa: district 1st
- Pocatello: district 2nd
- Twin Falls: district 2nd
City coverage is drawn from the district profiles on this site, which are based on U.S. Census Bureau data for the 119th Congress.
How many representatives does Idaho have?
Idaho has 2 seats in the U.S. House of Representatives, one for each congressional district. It also elects 2 U.S. senators, as every state does. The number of House seats is set by apportionment after each census.
Local surveillance camera contracts
Automated license plate reader contracts are approved locally, by city councils and county boards, not by Congress. 3 places in this state have a contract record documented from public sources on Who Approved This, an independent public-records project.
Idaho on the November 3, 2026 ballot
All 2 Idaho seats in the U.S. House are on the ballot on Tuesday, November 3, 2026. House terms run 2 years, so every seat is contested at each general election. Winners take office on January 3, 2027.
A U.S. Senate seat is also on the ballot in Idaho. It is held by James Risch (Republican). In the 2026 race, the incumbent is running again. All 35 Senate races in 2026.
Polling places in Idaho are open 8 a.m. to 8 p.m., local time. Registration status, polling place and sample ballot information for Idaho are on the official federal voter page: vote.gov.
What is on the ballot nationally on November 3, 2026
Last updated September 9, 2026.
Data last checked September 7, 2026.
Idaho results on election night
Idaho posts its own returns. Unofficial numbers appear on election night and certified results follow in the weeks after. Reach the Idaho election office through the Election Assistance Commission state directory, or through the official federal voter page for Idaho at vote.gov.
Numbers reported on election night are unofficial. Every state certifies its results on its own schedule, taking days to weeks. Provisional ballots are still being reviewed during that period, and states that accept mail ballots postmarked by election day are still receiving them. Margins in close races move after November 3.