Congressional district · Boundaries of the 119th Congress

Illinois's 8th district

Illinois's 8th district has 745,035 residents on 285 mi² of land. It is represented by Raja Krishnamoorthi (D-IL-8). Federal contract obligations attributed to it reached $2.3B in FY2026.

Residents
745,035
Land area
285 mi²
Counties
3
Representative
Raja Krishnamoorthi
Open in the Congress explorer
Map of Illinois's 8th district within Illinois

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. Cook County46% of the district · 6.7% of the county
  2. Kane County31% of the district · 45% of the county
  3. DuPage County22% of the district · 18% 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
$2.3B
Per resident
$3,026
Rank in Illinois
1 of 17
Contract actions
7,854
New awards: 5,793

By fiscal year

  1. 1.2BFY2017
  2. 1.5BFY2018
  3. 1.7BFY2019
  4. 1.9BFY2020
  5. 1.6BFY2021
  6. 1.8BFY2022
  7. 2.2BFY2023
  8. 2.5BFY2024
  9. 2.9BFY2025
  10. 2.3BFY2026

Top buyers

  1. Defense Logistics Agency$1.4B61%
    Department of Defense
  2. Department of the Air Force$279.6M12%
    Department of Defense
  3. Department of the Army$256.4M11%
    Department of Defense
  4. Department of the Navy$126.7M5.6%
    Department of Defense
  5. Department of Veterans Affairs$83M3.7%
  6. Department of Energy$46.7M2.1%
  7. Defense Contract Management Agency$14.4M0.6%
    Department of Defense
  8. Federal Acquisition Service$13.4M0.6%
    General Services Administration

Top recipients

  1. W S DARLEY & CO$1.3B58%
    2,242 awards
  2. NORTHROP GRUMMAN SYSTEMS CORPORATION$575.3M26%
    121 awards
  3. AAR GOVERNMENT SERVICES, INC.$96.8M4.3%
    150 awards
  4. US FOODS INC$70.2M3.1%
    29 awards
  5. AAR SUPPLY CHAIN, INC$49.8M2.2%
    1,518 awards
  6. FERMI FORWARD DISCOVERY GROUP, LLC$46.7M2.1%
    1 award
  7. ITILITY, L.L.C$13.3M0.6%
    1 award
  8. TW METALS, INC.$10.3M0.5%
    565 awards
  9. GIFT OF HOPE ORGAN & TISSUE DONOR NETWORK$9.3M0.4%
    3 awards
  10. RESPONSE AI SOLUTIONS, LLC$6.7M0.3%
    1 award

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.