Congressional district · Boundaries of the 119th Congress

California's 45th district

California's 45th district has 750,643 residents on 104 mi² of land. It is represented by Derek Tran (D-CA-45). Federal contract obligations attributed to it reached $207.7M in FY2026.

Residents
750,643
Land area
104 mi²
Counties
2
Representative
Derek Tran
Open in the Congress explorer
Map of California's 45th district within California

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. Orange County89% of the district · 21% of the county
  2. Los Angeles County11% of the district · 0.8% 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
$207.7M
Per resident
$277
Rank in California
47 of 52
Contract actions
10.6K
New awards: 7,079

By fiscal year

  1. 375.4MFY2017
  2. 394.8MFY2018
  3. 473.8MFY2019
  4. 464.1MFY2020
  5. 418.7MFY2021
  6. 241.7MFY2022
  7. 247.8MFY2023
  8. 388.4MFY2024
  9. 304.5MFY2025
  10. 207.7MFY2026

Top buyers

  1. Defense Logistics Agency$42.9M21%
    Department of Defense
  2. Department of the Army$30.7M15%
    Department of Defense
  3. Department of Veterans Affairs$27.7M13%
  4. Federal Aviation Administration$27.4M13%
    Department of Transportation
  5. National Aeronautics and Space Administration$20.5M9.9%
  6. Department of the Navy$17.9M8.6%
    Department of Defense
  7. Department of Housing and Urban Development$11.3M5.4%
  8. Office of the Assistant Secretary for Administration and Management$8.5M4.1%
    Department of Labor

Top recipients

  1. RAYTHEON COMPANY$33.8M16%
    6 awards
  2. BECKMAN COULTER, INC$27M13%
    378 awards
  3. RAYTHEON COMPANY$16M7.7%
    14 awards
  4. CALIFORNIA INSTITUTE OF TECHNOLOGY$15.9M7.7%
    393 awards
  5. TERRESTRIS, LLC$11.4M5.5%
    1 award
  6. CARRINGTON MORTGAGE SERVICES LLC$9.8M4.7%
    1 award
  7. UAW- LABOR EMPLOYMENT AND TRAINING CORPORATION$7.5M3.6%
    1 award
  8. S3 AERODEFENSE LLC$6.7M3.2%
    78 awards
  9. THE BOEING COMPANY$5.1M2.5%
    39 awards
  10. QPI PRO, INC.$4.4M2.1%
    66 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.