Congressional district · Boundaries of the 119th Congress

Louisiana's 4th district

Louisiana's 4th district has 772,357 residents on 14,603 mi² of land. It is represented by Mike Johnson (R-LA-4). Federal contract obligations attributed to it reached $516M in FY2026.

Residents
772,357
Land area
14,603 mi²
Counties
20
Representative
Mike Johnson
Open in the Congress explorer
Map of Louisiana's 4th district within Louisiana

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. Bossier Parish17% of the district · 100% of the county
  2. Caddo Parish15% of the district · 50% of the county
  3. Calcasieu Parish11% of the district · 40% of the county
  4. Ouachita Parish7.8% of the district · 38% of the county
  5. Lincoln Parish6.2% of the district · 100% of the county
  6. Vernon Parish6.1% of the district · 100% of the county
  7. Beauregard Parish4.7% of the district · 100% of the county
  8. Webster Parish4.6% of the district · 100% of the county
  9. Evangeline Parish4.2% of the district · 100% of the county
  10. Rapides Parish3.0% of the district · 18% of the county
  11. Allen Parish2.9% of the district · 100% of the county
  12. Grant Parish2.9% of the district · 100% of the county
  13. Sabine Parish2.8% of the district · 100% of the county
  14. Union Parish2.7% of the district · 100% of the county
  15. Jackson Parish1.9% of the district · 100% of the county
  16. Claiborne Parish1.8% of the district · 100% of the county
  17. Winn Parish1.7% of the district · 100% of the county
  18. Bienville Parish1.6% of the district · 100% of the county
  19. De Soto Parish1.4% of the district · 41% of the county
  20. Red River Parish1.0% 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
$516M
Per resident
$668
Rank in Louisiana
4 of 6
Contract actions
15.6K
New awards: 14.4K

By fiscal year

  1. 483MFY2017
  2. 576MFY2018
  3. 630.6MFY2019
  4. 668.4MFY2020
  5. 564.8MFY2021
  6. 632.5MFY2022
  7. 899.4MFY2023
  8. 924.8MFY2024
  9. 731.3MFY2025
  10. 516MFY2026

Top buyers

  1. Department of the Army$214.1M41%
    Department of Defense
  2. Department of the Air Force$120.4M23%
    Department of Defense
  3. Defense Logistics Agency$45.4M8.8%
    Department of Defense
  4. U.S. Immigration and Customs Enforcement$31.3M6.1%
    Department of Homeland Security
  5. Federal Prison System / Bureau of Prisons$30.7M6.0%
    Department of Justice
  6. Internal Revenue Service$26.3M5.1%
    Department of the Treasury
  7. Defense Information Systems Agency$7.9M1.5%
    Department of Defense
  8. Defense Health Agency$6M1.2%
    Department of Defense

Top recipients

  1. VALIANT GLOBAL DEFENSE SERVICES INC.$68.5M13%
    2 awards
  2. AMENTUM SERVICES, INC.$32.7M6.3%
    2 awards
  3. THE ARORA GROUP, INC.$31.2M6.0%
    1 award
  4. CERRIS BUILDERS, INC$30.6M5.9%
    1 award
  5. PRIDE INDUSTRIES$27.9M5.4%
    17 awards
  6. COAST PROFESSIONAL, INC.$26.3M5.1%
    1 award
  7. SMALL BUSINESS CONSULTING CORPORATION$20.4M3.9%
    5 awards
  8. V2X AEROSPACE LLC$17.9M3.5%
    1 award
  9. MTP DRIVETRAIN SERVICES, L.L.C.$16.3M3.2%
    77 awards
  10. BCG FEDERAL CORP.$15.7M3.0%
    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.