Congressional district · Boundaries of the 119th Congress

Iowa's 1st district

Iowa's 1st district has 800,735 residents on 10,845 mi² of land. It is represented by Mariannette Miller-Meeks (R-IA-1). Federal contract obligations attributed to it reached $274.4M in FY2026.

Residents
800,735
Land area
10,845 mi²
Counties
20
Representative
Mariannette Miller-Meeks
Open in the Congress explorer
Map of Iowa's 1st district within Iowa

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. Scott County22% of the district · 100% of the county
  2. Johnson County20% of the district · 100% of the county
  3. Warren County6.8% of the district · 100% of the county
  4. Clinton County5.8% of the district · 100% of the county
  5. Muscatine County5.3% of the district · 100% of the county
  6. Des Moines County4.8% of the district · 100% of the county
  7. Jasper County4.7% of the district · 100% of the county
  8. Marion County4.2% of the district · 100% of the county
  9. Lee County4.1% of the district · 100% of the county
  10. Washington County2.8% of the district · 100% of the county
  11. Mahaska County2.8% of the district · 100% of the county
  12. Jones County2.6% of the district · 100% of the county
  13. Henry County2.5% of the district · 100% of the county
  14. Jackson County2.4% of the district · 100% of the county
  15. Cedar County2.3% of the district · 100% of the county
  16. Iowa County2.1% of the district · 100% of the county
  17. Jefferson County2.0% of the district · 100% of the county
  18. Louisa County1.3% of the district · 100% of the county
  19. Keokuk County1.2% of the district · 100% of the county
  20. Van Buren County0.9% 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
$274.4M
Per resident
$343
Rank in Iowa
2 of 4
Contract actions
1,444
New awards: 521

By fiscal year

  1. 366.8MFY2017
  2. 567.8MFY2018
  3. 480.6MFY2019
  4. 493.2MFY2020
  5. 348.4MFY2021
  6. 557MFY2022
  7. 939.6MFY2023
  8. 670.6MFY2024
  9. 1.2BFY2025
  10. 274.4MFY2026

Top buyers

  1. Department of the Army$145.9M53%
    Department of Defense
  2. Department of Veterans Affairs$36.1M13%
  3. Department of the Navy$22.4M8.2%
    Department of Defense
  4. Defense Logistics Agency$13.8M5.0%
    Department of Defense
  5. National Aeronautics and Space Administration$11.7M4.3%
  6. Agricultural Marketing Service$8.4M3.1%
    Department of Agriculture
  7. Department of State$7.9M2.9%
  8. Public Buildings Service$4.8M1.7%
    General Services Administration

Top recipients

  1. AMERICAN ORDNANCE LLC$91.1M33%
    60 awards
  2. ROCKWELL COLLINS, INC.$45.5M17%
    18 awards
  3. MISSION SYSTEMS DAVENPORT INC.$22.1M8.0%
    69 awards
  4. THE UNIVERSITY OF IOWA$17.4M6.4%
    49 awards
  5. CARVER PUMP COMPANY$10.3M3.8%
    98 awards
  6. ALLSTEEL LLC$9.5M3.5%
    60 awards
  7. HEARTLAND GOODWILL ENTERPRISES$8.5M3.1%
    14 awards
  8. SUPPLYCORE LLC$4.1M1.5%
    2 awards
  9. COVENANT CONSTRUCTION SERVICES LLC$4.1M1.5%
    5 awards
  10. NAPHCARE LLC$3.9M1.4%
    27 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 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.