Congressional district · Boundaries of the 119th Congress

Iowa's 4th district

Iowa's 4th district has 798,043 residents on 21,433 mi² of land. It is represented by Randy Feenstra (R-IA-4). Federal contract obligations attributed to it reached $225.2M in FY2026.

Residents
798,043
Land area
21,433 mi²
Counties
36
Representative
Randy Feenstra
Open in the Congress explorer
Map of Iowa's 4th 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. Woodbury County13% of the district · 100% of the county
  2. Story County13% of the district · 100% of the county
  3. Pottawattamie County12% of the district · 100% of the county
  4. Marshall County5.0% of the district · 100% of the county
  5. Webster County4.6% of the district · 100% of the county
  6. Sioux County4.5% of the district · 100% of the county
  7. Boone County3.3% of the district · 100% of the county
  8. Plymouth County3.2% of the district · 100% of the county
  9. Buena Vista County2.6% of the district · 100% of the county
  10. Carroll County2.6% of the district · 100% of the county
  11. Dickinson County2.3% of the district · 100% of the county
  12. Clay County2.1% of the district · 100% of the county
  13. Crawford County2.0% of the district · 100% of the county
  14. Hamilton County1.9% of the district · 100% of the county
  15. Harrison County1.8% of the district · 100% of the county
  16. Mills County1.8% of the district · 100% of the county
  17. Kossuth County1.8% of the district · 100% of the county
  18. O'Brien County1.8% of the district · 100% of the county
  19. Wright County1.6% of the district · 100% of the county
  20. Lyon County1.5% of the district · 100% of the county
  21. Shelby County1.5% of the district · 100% of the county
  22. Cherokee County1.5% of the district · 100% of the county
  23. Hancock County1.3% of the district · 100% of the county
  24. Winnebago County1.3% of the district · 100% of the county
  25. Franklin County1.2% of the district · 100% of the county
  26. Calhoun County1.2% of the district · 100% of the county
  27. Sac County1.2% of the district · 100% of the county
  28. Humboldt County1.2% of the district · 100% of the county
  29. Emmet County1.2% of the district · 100% of the county
  30. Palo Alto County1.1% of the district · 100% of the county
  31. Monona County1.1% of the district · 100% of the county
  32. Pocahontas County0.9% of the district · 100% of the county
  33. Ida County0.9% of the district · 100% of the county
  34. Fremont County0.8% of the district · 100% of the county
  35. Osceola County0.8% of the district · 100% of the county
  36. Audubon County0.7% 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
$225.2M
Per resident
$282
Rank in Iowa
3 of 4
Contract actions
1,112
New awards: 558

By fiscal year

  1. 148.6MFY2017
  2. 141.2MFY2018
  3. 218.3MFY2019
  4. 355.6MFY2020
  5. 261.2MFY2021
  6. 187.8MFY2022
  7. 255.1MFY2023
  8. 202.1MFY2024
  9. 279.8MFY2025
  10. 225.2MFY2026

Top buyers

  1. Department of Energy$62.4M28%
  2. Animal and Plant Health Inspection Service$54.1M24%
    Department of Agriculture
  3. Agricultural Marketing Service$30.4M13%
    Department of Agriculture
  4. Federal Aviation Administration$24.5M11%
    Department of Transportation
  5. Agricultural Research Service$9.6M4.3%
    Department of Agriculture
  6. Office of the Assistant Secretary for Administration and Management$8.3M3.7%
    Department of Labor
  7. Office of the Assistant Secretary for Financial Resources$6.8M3.0%
    Department of Health and Human Services
  8. Forest Service$6.4M2.9%
    Department of Agriculture

Top recipients

  1. IOWA STATE UNIVERSITY OF SCIENCE AND TECHNOLOGY$63.2M28%
    20 awards
  2. DEAN SNYDER CONSTRUCTION CO.$32.9M15%
    1 award
  3. DIVERSIFIED MANAGEMENT SOLUTIONS, INC.$16.3M7.2%
    4 awards
  4. REGENCY CONSULTING INC$15.6M6.9%
    89 awards
  5. SONSTEGARD FOODS CO$10.9M4.8%
    18 awards
  6. ASSOCIATED MILK PRODUCERS INC$9.3M4.1%
    9 awards
  7. ODLE MANAGEMENT GROUP, L.L.C.$8.5M3.8%
    2 awards
  8. WEATHER DATA, INC.$8.1M3.6%
    2 awards
  9. LIFESKILLS CONNECTION INC$6.1M2.7%
    2 awards
  10. JTM PROVISIONS CO INC$3.3M1.5%
    3 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.