Congressional district · Boundaries of the 119th Congress

California's 51st district

California's 51st district has 753,023 residents on 190 mi² of land. It is represented by Sara Jacobs (D-CA-51). Federal contract obligations attributed to it reached $1.9B in FY2026.

Residents
753,023
Land area
190 mi²
Counties
1
Representative
Sara Jacobs
Open in the Congress explorer
Map of California's 51st 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. San Diego County100% of the district · 23% 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
$1.9B
Per resident
$2,493
Rank in California
9 of 52
Contract actions
5,838
New awards: 2,136

By fiscal year

  1. 1.5BFY2017
  2. 1.9BFY2018
  3. 1.8BFY2019
  4. 1.9BFY2020
  5. 1.9BFY2021
  6. 2.5BFY2022
  7. 2.4BFY2023
  8. 2.5BFY2024
  9. 2.6BFY2025
  10. 1.9BFY2026

Top buyers

  1. Department of the Navy$1.1B61%
    Department of Defense
  2. Department of the Air Force$209.4M11%
    Department of Defense
  3. Transportation Security Administration$198.4M11%
    Department of Homeland Security
  4. U.S. Customs and Border Protection$76.6M4.1%
    Department of Homeland Security
  5. Defense Information Systems Agency$54.4M2.9%
    Department of Defense
  6. Department of Energy$31.4M1.7%
  7. Office of Assistant Secretary for Preparedness and Response$26.2M1.4%
    Department of Health and Human Services
  8. Department of the Army$26.1M1.4%
    Department of Defense

Top recipients

  1. GENERAL ATOMICS$296.8M16%
    120 awards
  2. TECHFLOW, INC.$200.6M11%
    2 awards
  3. BOOZ ALLEN HAMILTON INC$98.6M5.3%
    26 awards
  4. ACCELINT GLOBAL INC.$78.8M4.2%
    8 awards
  5. LEIDOS, INC.$74.4M4.0%
    3 awards
  6. AVMAC LLC$60.5M3.2%
    2 awards
  7. NORTHROP GRUMMAN SYSTEMS CORPORATION$60.2M3.2%
    13 awards
  8. L3 TECHNOLOGIES, INC.$56M3.0%
    9 awards
  9. FIRESTORM LABS, INC.$48.1M2.6%
    11 awards
  10. FUSE INTEGRATION, INC.$46M2.4%
    2 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.