Congressional district · Boundaries of the 119th Congress

California's 21st district

California's 21st district has 750,191 residents on 891 mi² of land. It is represented by Jim Costa (D-CA-21). Federal contract obligations attributed to it reached $154.3M in FY2026.

Residents
750,191
Land area
891 mi²
Counties
2
Representative
Jim Costa
Map of California's 21st 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. Fresno County78% of the district · 57% of the county
  2. Tulare County22% of the district · 35% 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
$154.3M
Per resident
$206
Rank in California
48 of 52
Contract actions
1,321
New awards: 692

By fiscal year

  1. 96.9MFY2017
  2. 43.4MFY2018
  3. 80.3MFY2019
  4. 128.9MFY2020
  5. 84.1MFY2021
  6. 292.3MFY2022
  7. 215.9MFY2023
  8. 185.1MFY2024
  9. 132.7MFY2025
  10. 154.3MFY2026

Top buyers

  1. Department of Agriculture
  2. Department of Defense
  3. General Services Administration
  4. Department of the Interior
  5. Department of Agriculture
  6. Department of Justice
  7. Department of Health and Human Services

Top recipients

  1. 5 awards
  2. 4 awards
  3. 10 awards
  4. 8 awards
  5. 3 awards
  6. 1 award
  7. 3 awards
  8. 8 awards
  9. 6 awards
  10. 6 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.