Congressional district · Boundaries of the 119th Congress

Pennsylvania's 4th district

Pennsylvania's 4th district has 779,082 residents on 726 mi² of land. It is represented by Madeleine Dean (D-PA-4). Federal contract obligations attributed to it reached $5.4B in FY2026.

Residents
779,082
Land area
726 mi²
Counties
2
Representative
Madeleine Dean
Open in the Congress explorer
Map of Pennsylvania's 4th district within Pennsylvania

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. Montgomery County81% of the district · 73% of the county
  2. Berks County19% of the district · 33% 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
$5.4B
Per resident
$6,885
Rank in Pennsylvania
2 of 17
Contract actions
374K
New awards: 372.1K

By fiscal year

  1. 385.6MFY2017
  2. 418.6MFY2018
  3. 393.9MFY2019
  4. 413.8MFY2020
  5. 1BFY2021
  6. 2.2BFY2022
  7. 4.3BFY2023
  8. 5.9BFY2024
  9. 7.1BFY2025
  10. 5.4BFY2026

Top buyers

  1. Defense Logistics Agency$5B93%
    Department of Defense
  2. Department of the Navy$146.5M2.7%
    Department of Defense
  3. U.S. Patent and Trademark Office$68.7M1.3%
    Department of Commerce
  4. Department of the Air Force$41.1M0.8%
    Department of Defense
  5. Bureau of the Fiscal Service$20.8M0.4%
    Department of the Treasury
  6. Department of the Army$8.8M0.2%
    Department of Defense
  7. Environmental Protection Agency$7.8M0.1%
  8. Agricultural Research Service$7.7M0.1%
    Department of Agriculture

Top recipients

  1. AMERISOURCEBERGEN DRUG CORP$4.9B92%
    363,154 awards
  2. FIDELITY TECHNOLOGY SERVICES, LLC$75.1M1.4%
    6 awards
  3. REED TECHNOLOGY AND INFORMATION SERVICES LLC$68.6M1.3%
    1 award
  4. GLOBAL ADVANCED METALS USA INC$35.5M0.7%
    4 awards
  5. LOCKHEED MARTIN CORP$33.1M0.6%
    11 awards
  6. AMERICAN PETROLEUM TANKERS LLC$24.9M0.5%
    3 awards
  7. TRANSWORLD SYSTEMS INC.$20.8M0.4%
    4 awards
  8. CAES SYSTEMS LLC$19.8M0.4%
    42 awards
  9. LOCKHEED MARTIN CORPORATION$17.4M0.3%
    22 awards
  10. WSP USA ENVIRONMENT & INFRASTRUCTURE INC.$9M0.2%
    48 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.