Congressional district · Boundaries of the 119th Congress

Alabama's 4th district

Alabama's 4th district has 731,082 residents on 8,630 mi² of land. It is represented by Robert B. Aderholt (R-AL-4).

Residents
731,082
Land area
8,630 mi²
Counties
13
Representative
Robert B. Aderholt
Map of Alabama's 4th district within Alabama

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. Marshall County14% of the district · 100% of the county
  2. Tuscaloosa County13% of the district · 40% of the county
  3. Cullman County12% of the district · 100% of the county
  4. Lauderdale County11% of the district · 80% of the county
  5. DeKalb County9.9% of the district · 100% of the county
  6. Walker County8.9% of the district · 100% of the county
  7. Blount County8.1% of the district · 100% of the county
  8. Colbert County7.9% of the district · 100% of the county
  9. Franklin County4.4% of the district · 100% of the county
  10. Marion County4.0% of the district · 100% of the county
  11. Winston County3.2% of the district · 100% of the county
  12. Fayette County2.2% of the district · 100% of the county
  13. Lamar County1.9% 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
-$32.9M
Per resident
-$45.02
Rank in Alabama
7 of 7
Contract actions
1,015
New awards: 579

By fiscal year

  1. 83MFY2017
  2. 101.4MFY2018
  3. 94.2MFY2019
  4. 63.3MFY2020
  5. 93.9MFY2021
  6. 148.5MFY2022
  7. 47.4MFY2023
  8. 97MFY2024
  9. -25.6MFY2025
  10. -32.9MFY2026

Top buyers

  1. Department of Commerce
  2. Department of the Interior
  3. Department of Defense
  4. Department of Commerce
  5. Department of Defense
  6. Department of the Interior
  7. Department of Agriculture

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.