Congressional district · Boundaries of the 119th Congress

Montana's 1st district

Montana's 1st district has 564,647 residents on 40,168 mi² of land. It is represented by Ryan K. Zinke (R-MT-1). Federal contract obligations attributed to it reached $685.4M in FY2026.

Residents
564,647
Land area
40,168 mi²
Counties
16
Representative
Ryan K. Zinke
Map of Montana's 1st district within Montana

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. Gallatin County22% of the district · 100% of the county
  2. Missoula County21% of the district · 100% of the county
  3. Flathead County20% of the district · 100% of the county
  4. Ravalli County8.3% of the district · 100% of the county
  5. Silver Bow County6.3% of the district · 100% of the county
  6. Lake County5.8% of the district · 100% of the county
  7. Lincoln County3.8% of the district · 100% of the county
  8. Glacier County2.4% of the district · 100% of the county
  9. Sanders County2.4% of the district · 100% of the county
  10. Beaverhead County1.7% of the district · 100% of the county
  11. Deer Lodge County1.7% of the district · 100% of the county
  12. Madison County1.6% of the district · 100% of the county
  13. Powell County1.2% of the district · 100% of the county
  14. Mineral County0.9% of the district · 100% of the county
  15. Granite County0.6% of the district · 100% of the county
  16. Pondera County0.4% of the district · 34% 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
$685.4M
Per resident
$1,214
Rank in Montana
1 of 2
Contract actions
4,745
New awards: 3,173

By fiscal year

  1. 278.2MFY2017
  2. 349.5MFY2018
  3. 446.7MFY2019
  4. 417.4MFY2020
  5. 405.3MFY2021
  6. 584.4MFY2022
  7. 442.3MFY2023
  8. 599.5MFY2024
  9. 557.2MFY2025
  10. 685.4MFY2026

Top buyers

  1. Department of Agriculture
  2. Department of Homeland Security
  3. Department of Defense
  4. Department of Defense
  5. Department of Health and Human Services
  6. Department of Defense
  7. Department of Transportation
  8. Department of the Interior

Top recipients

  1. 2 awards
  2. 57 awards
  3. 211 awards
  4. 69 awards
  5. 1 award
  6. 2 awards
  7. 1 award
  8. 21 awards
  9. 3 awards
  10. 1 award

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 3, 2026 · loaded Oct 3, 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.