Congressional district · Boundaries of the 119th Congress
Pennsylvania's 12th district
Pennsylvania's 12th district has 762,224 residents on 426 mi² of land. It is represented by Summer L. Lee (D-PA-12). Federal contract obligations attributed to it reached $6.8B in FY2026.
- Residents
- 762,224
- Land area
- 426 mi²
- Counties
- 2
- Representative
- Summer L. Lee
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.
David McCormickR-PA
John FettermanD-PA
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).
- Allegheny County85% of the district · 53% of the county
- Westmoreland County15% of the district · 32% 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
- $6.8B
- Per resident
- $8,913
- Rank in Pennsylvania
- 1 of 17
- Contract actions
- 3,386
- New awards: 1,642
By fiscal year
- 4.4BFY2017
- 4.4BFY2018
- 5.6BFY2019
- 4.7BFY2020
- 5.2BFY2021
- 5.9BFY2022
- 5.5BFY2023
- 6.1BFY2024
- 6.1BFY2025
- 6.8BFY2026
Top buyers
- Department of the Navy$4.5B66%Department of Defense
- Department of Energy$2B29%
- Department of Veterans Affairs$102.2M1.5%
- Department of the Air Force$87.5M1.3%Department of Defense
- Department of the Army$26.3M0.4%Department of Defense
- Department of Labor
- Department of Health and Human Services
Top recipients
- FLUOR MARINE PROPULSION, LLC$4.2B62%2 awards
- BECHTEL PLANT MACHINERY, INC.$2.2B32%8 awards
- CARNEGIE MELLON UNIVERSITY$84.8M1.2%6 awards
- ASTROBOTIC TECHNOLOGY INC$47.5M0.7%24 awards
- ODLE MANAGEMENT GROUP, L.L.C.$20.1M0.3%1 award
- 87 awards
- 12 awards
- FDCD II JOINT VENTURE, LLC$11.9M0.2%1 award
- WESTINGHOUSE GOVERNMENT SERVICES LLC$11.7M0.2%1 award
- RACK-WILDNER & REESE, INC.$11.7M0.2%16 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.