Congressional district · Boundaries of the 119th Congress

Idaho's 2nd district

Idaho's 2nd district has 946,295 residents on 43,246 mi² of land. It is represented by Michael K. Simpson (R-ID-2). Federal contract obligations attributed to it reached $3.4B in FY2026.

Residents
946,295
Land area
43,246 mi²
Counties
26
Representative
Michael K. Simpson
Open in the Congress explorer
Map of Idaho's 2nd district within Idaho

Members for this district

Members who held this seat while these boundaries were in force, newest first.

Senators

The state's senators today, or on the last day of these boundaries for an older plan.

Counties

Share of the district's residents living in each county, and share of the county's residents living in the district (2020 census tracts weighted by their overlap).

  1. Ada County28% of the district · 51% of the county
  2. Bonneville County14% of the district · 100% of the county
  3. Twin Falls County9.9% of the district · 100% of the county
  4. Bannock County9.5% of the district · 100% of the county
  5. Madison County5.8% of the district · 100% of the county
  6. Bingham County5.2% of the district · 100% of the county
  7. Jefferson County3.5% of the district · 100% of the county
  8. Elmore County3.1% of the district · 100% of the county
  9. Cassia County2.7% of the district · 100% of the county
  10. Jerome County2.7% of the district · 100% of the county
  11. Blaine County2.6% of the district · 100% of the county
  12. Minidoka County2.3% of the district · 100% of the county
  13. Gooding County1.7% of the district · 100% of the county
  14. Franklin County1.6% of the district · 100% of the county
  15. Fremont County1.5% of the district · 100% of the county
  16. Teton County1.3% of the district · 100% of the county
  17. Lemhi County0.9% of the district · 100% of the county
  18. Power County0.9% of the district · 100% of the county
  19. Caribou County0.8% of the district · 100% of the county
  20. Bear Lake County0.7% of the district · 100% of the county
  21. Lincoln County0.6% of the district · 100% of the county
  22. Oneida County0.5% of the district · 100% of the county
  23. Custer County0.5% of the district · 100% of the county
  24. Butte County0.3% of the district · 100% of the county
  25. Camas County0.1% of the district · 100% of the county
  26. Clark County<0.1% of the district · 100% of the county

Federal contracts

Contract obligations attributed to the district by each action's county and its award's ZIP code (land shares through census tracts); an estimate where ZIP codes cross district lines.

Obligations · FY2026
$3.4B
Per resident
$3,546
Rank in Idaho
1 of 2
Contract actions
10.3K
New awards: 7,850

By fiscal year

  1. 1.8BFY2017
  2. 2.2BFY2018
  3. 2.2BFY2019
  4. 2.4BFY2020
  5. 2.1BFY2021
  6. 2.2BFY2022
  7. 2.9BFY2023
  8. 3.2BFY2024
  9. 3.3BFY2025
  10. 3.4BFY2026

Top buyers

  1. Department of Energy$2.7B81%
  2. Forest Service$257.9M7.7%
    Department of Agriculture
  3. Bureau of Land Management$89.2M2.7%
    Department of the Interior
  4. Department of the Army$68.4M2.0%
    Department of Defense
  5. Department of the Air Force$50.2M1.5%
    Department of Defense
  6. Departmental Offices$30.3M0.9%
    Department of the Interior
  7. Agricultural Marketing Service$27.2M0.8%
    Department of Agriculture
  8. Offices, Boards and Divisions$26.4M0.8%
    Department of Justice

Top recipients

  1. BATTELLE ENERGY ALLIANCE, LLC$2.1B64%
    1 award
  2. IDAHO ENVIRONMENTAL COALITION LLC$554.8M17%
    1 award
  3. PERIMETER SOLUTIONS LP$142.2M4.2%
    17 awards
  4. HCPA-GARCO JV1$48.1M1.4%
    1 award
  5. COULSON AVIATION (USA), INC.$36.6M1.1%
    8 awards
  6. V3GATE, LLC$26.7M0.8%
    3 awards
  7. AERO AIR, LLC$24.5M0.7%
    11 awards
  8. AERO-FLITE, INC.$23.7M0.7%
    13 awards
  9. SPUR AVIATION SERVICES, LC$16.2M0.5%
    36 awards
  10. ALLEGHENY SCIENCE & TECHNOLOGY CORPORATION$16.1M0.5%
    2 awards

Other boundaries

District lines change between plans; each plan keeps its own page.

Sources and method

Every figure on this page traces to these records.

  • Congressional district boundaries and relationship files (U.S. Census Bureau)U.S. Census Bureau, Cartographic Boundary Files (congressional districts) and 2020 relationship files · release cd116+cd118+cd119 · loaded Oct 3, 2026 · license: Public domain (U.S. Government work, 17 U.S.C. § 105)
  • Members of Congress, their terms, committees and identifiers (The @unitedstates project (from the Biographical Directory of the U.S. Congress, the House and the Senate))unitedstates/congress-legislators: legislators, committees and current committee membership · data current to Oct 3, 2026 · loaded Oct 3, 2026 · license: CC0 1.0 (public domain dedication)
  • ZIP code (ZCTA) to congressional district crosswalk (U.S. Census Bureau)U.S. Census Bureau, 2020 relationship files (ZCTAs, tracts and congressional districts); shares computed by Analisa · release 2020 · loaded Oct 3, 2026 · license: Public domain (U.S. Government work, 17 U.S.C. § 105)
  • Federal contract transactions (Federal Procurement Data System) (U.S. Department of the Treasury, USAspending.gov)USAspending.gov, prime award contract transactions (FPDS) · data current to Oct 6, 2026 · loaded Oct 6, 2026 · license: Public domain (U.S. Government work, 17 U.S.C. § 105)
  • Money and votes are shown side by side; neither explains the other.