Idaho’s 2nd Congressional District is represented by Michael K. Simpson (R) in the U.S. House of Representatives. The district is one of Idaho’s seats in the 435-member House of Representatives. After the 2020 Census, the average congressional district had 761,169 people, according to the U.S. Census Bureau, and these district boundaries were drawn during the redistricting cycle that followed.
Congressional representatives serve two-year terms and face election every even-numbered year. The next election for this seat will take place on November 3, 2026.
Population
935,597
Median Household Income
$72,927
Population and income: U.S. Census Bureau, American Community Survey 5-year estimates for 2019 to 2023, for district lines in effect on January 1, 2023.
Partisan Lean
R+27
2024 presidential margin (Trump vs Harris). Source: The Downballot.
District boundary, 119th Congress. Boundary data: U.S. Census Bureau TIGERweb. Map tiles: OpenStreetMap.
Michael K. Simpson and Idaho's 2nd Congressional District
Michael K. Simpson, a member of the Republican Party, represents Idaho's 2nd Congressional District and has held the seat since January 6, 1999. The boundary map for the district is above and the ZIP codes it covers are listed further down this page.
Committee assignments: House Committee on Appropriations.
The current term ends January 3, 2027. The seat is on the ballot on Tuesday, November 3, 2026. Washington office phone: 202-225-5531. Official site: simpson.house.gov.
Current Representative
Rep. Michael K. Simpson (R)
119th Congress • Republican • Representing this district since January 6, 1999
Michael K. Simpson currently represents Idaho’s 2nd Congressional District as a member of the Republican Party in the United States House of Representatives. The representative’s district office helps constituents with federal casework, such as Social Security claims and veterans’ benefits.
2026 Election
On the ballot November 3, 2026
- Mike Simpson, Republican Incumbent
- Ellie Gilbreath, Democratic
- Will Johanson, Libertarian
- Emre Houser, Independent
- Tripp Charles Hutchinson, Independent
Source: Idaho Secretary of State, final candidates list, checked September 26, 2026. Write-in candidates are not listed.
Key dates for November 3, 2026
| Register by mail | Friday, October 23 Application must be received by this date. |
|---|---|
| Register online | Friday, October 23 |
| Register in person | Through Election Day, November 3 |
| Same-day registration | After October 23, register in person when you vote early or at your polling place on Election Day, with proof of residence. |
| Early in-person voting | October 13 to October 30 Early voting is optional by county, and start dates range from October 13 to 20. |
| Request a mail ballot | Friday, October 23 Request by 5 p.m. on October 23. |
| Return a mail ballot | Must be received by 8 p.m. on November 3. |
| Election Day | Tuesday, November 3, 2026 |
Check your registration with the Idaho voter lookup. Dates come from the Idaho election office and were checked September 26, 2026. States can change deadlines, so confirm with your election office before you act.
Polling places in Idaho are open 8 a.m. to 8 p.m., local time. Confirm your registration and polling place on the official federal voter page for Idaho: vote.gov.
What is on the ballot nationally on November 3, 2026
Contact Your Representative
Washington Office
2084 Rayburn House Office Building
Washington, DC 20515
Phone: (202) 225-5531
Online
Committee Assignments
About This District
The district spans 26 counties in Idaho, including Bear Lake, Jerome, Custer, Clark, and Elmore, and others. Its largest cities are Boise City (about 236,000), Idaho Falls (about 65,000), Pocatello (about 56,000), and Twin Falls (about 52,000).
Learn more about congressional districts
- What is a congressional district?
- What does a U.S. Representative do?
- What is gerrymandering?
- How congressional redistricting works
Frequently Asked Questions
Who represents Idaho's 2nd Congressional District?
Michael K. Simpson (R) represents Idaho's 2nd Congressional District in the U.S. House of Representatives.
What political party is Michael K. Simpson a member of?
Michael K. Simpson is a member of the Republican Party.
How can I contact Michael K. Simpson?
You can reach Michael K. Simpson by phone at 202-225-5531 or through their official website at https://simpson.house.gov.
When does Michael K. Simpson's current term end?
Michael K. Simpson's current term in the U.S. House of Representatives ends on January 3, 2027.
Where is Idaho's 2nd Congressional District?
Idaho's 2nd Congressional District is located in the state of Idaho and is one of the 435 voting congressional districts in the U.S. House of Representatives.
What district does Michael K. Simpson represent?
Michael K. Simpson has represented Idaho's 2nd Congressional District since January 6, 1999. The boundary map for the district is on this page.
Where can I see a map of Michael K. Simpson's district?
The boundary map for Idaho's 2nd Congressional District is on this page. It is drawn from U.S. Census Bureau TIGERweb boundary files for the 119th Congress.
What committees is Michael K. Simpson on?
Michael K. Simpson sits on House Committee on Appropriations. Committee assignments come from the Clerk of the House MemberData file.
Is Michael K. Simpson still in Congress?
This site shows Michael K. Simpson holding Idaho's 2nd Congressional District, checked against the Clerk of the House member list. All 435 House seats are on the ballot on November 3, 2026, so the answer can change with that election.
ZIP Codes in Idaho's 2nd Congressional District
This congressional district contains 153 ZIP codes. The most common 10 are shown below; expand the full list to see every ZIP in the district.
14 of these ZIP codes also extend into another Idaho district, so a ZIP code here does not always identify a single representative. Examples include 83302 (also in the 1st), 83316 (also in the 1st), 83616 (also in the 1st), 83624 (also in the 1st), 83627 (also in the 1st), 83642 (also in the 1st), 83646 (also in the 1st), 83647 (also in the 1st).
- 83120
- 83127
- 83201
- 83202
- 83203
- 83204
- 83209
- 83210
- 83211
- 83212
View all 153 ZIP codes in this district
- 83120
- 83127
- 83201
- 83202
- 83203
- 83204
- 83209
- 83210
- 83211
- 83212
- 83213
- 83214
- 83215
- 83217
- 83218
- 83220
- 83221
- 83223
- 83226
- 83227
- 83228
- 83232
- 83233
- 83234
- 83235
- 83236
- 83237
- 83238
- 83239
- 83241
- 83243
- 83244
- 83245
- 83246
- 83250
- 83251
- 83252
- 83253
- 83254
- 83255
- 83261
- 83262
- 83263
- 83271
- 83272
- 83274
- 83276
- 83277
- 83278
- 83281
- 83283
- 83285
- 83286
- 83287
- 83301
- 83302
- 83311
- 83312
- 83313
- 83314
- 83316
- 83318
- 83320
- 83321
- 83322
- 83323
- 83324
- 83325
- 83327
- 83328
- 83330
- 83332
- 83333
- 83334
- 83335
- 83336
- 83337
- 83338
- 83340
- 83341
- 83342
- 83344
- 83346
- 83347
- 83348
- 83349
- 83350
- 83352
- 83353
- 83354
- 83355
- 83401
- 83402
- 83404
- 83406
- 83420
- 83421
- 83422
- 83423
- 83424
- 83425
- 83427
- 83428
- 83429
- 83431
- 83433
- 83434
- 83435
- 83436
- 83438
- 83440
- 83442
- 83443
- 83444
- 83445
- 83446
- 83448
- 83449
- 83450
- 83451
- 83452
- 83454
- 83455
- 83460
- 83462
- 83463
- 83464
- 83465
- 83466
- 83467
- 83468
- 83469
- 83616
- 83623
- 83624
- 83627
- 83633
- 83642
- 83646
- 83647
- 83648
- 83702
- 83703
- 83704
- 83705
- 83706
- 83709
- 83712
- 83713
- 83714
- 83716
- 83720
- 83725
ZIP-to-district boundaries sourced from the U.S. Census Bureau's 2024-07-30 Block Equivalency File for the 119th Congress. ZCTAs (ZIP Code Tabulation Areas) approximate USPS delivery ZIPs.
U.S. Senators for this state: James E. Risch (R), Mike Crapo (R)
Local surveillance camera contracts
Automated license plate reader contracts are approved locally, by city councils and county boards, not by Congress. These places in this district have a contract record documented from public sources:
Records compiled by Who Approved This, an independent public-records project. Approval dates, amounts, and end dates are cited to council agendas, minutes, and signed contracts.
Place list rebuilt from the Who Approved This public export on September 26, 2026.
Last updated September 27, 2026.
Data last checked September 26, 2026.
See how this district compares with another using Compare Districts.