Congressional district · Boundaries of the 119th Congress

Kansas's 4th district

Kansas's 4th district has 739,354 residents on 14,564 mi² of land. It is represented by Ron Estes (R-KS-4). Federal contract obligations attributed to it reached $300.1M in FY2026.

Residents
739,354
Land area
14,564 mi²
Counties
17
Representative
Ron Estes
Open in the Congress explorer
Map of Kansas's 4th district within Kansas

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. Sedgwick County71% of the district · 100% of the county
  2. Butler County9.2% of the district · 100% of the county
  3. Cowley County4.7% of the district · 100% of the county
  4. Harvey County4.6% of the district · 100% of the county
  5. Sumner County3.0% of the district · 100% of the county
  6. Pratt County1.2% of the district · 100% of the county
  7. Kingman County1.0% of the district · 100% of the county
  8. Greenwood County0.8% of the district · 100% of the county
  9. Harper County0.7% of the district · 100% of the county
  10. Barber County0.6% of the district · 100% of the county
  11. Stafford County0.5% of the district · 100% of the county
  12. Pawnee County0.5% of the district · 63% of the county
  13. Chautauqua County0.5% of the district · 100% of the county
  14. Edwards County0.4% of the district · 100% of the county
  15. Elk County0.3% of the district · 100% of the county
  16. Kiowa County0.3% of the district · 100% of the county
  17. Comanche County0.2% of the district · 100% 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
$300.1M
Per resident
$406
Rank in Kansas
3 of 4
Contract actions
6,492
New awards: 4,831

By fiscal year

  1. 497.2MFY2017
  2. 537.5MFY2018
  3. 660.2MFY2019
  4. 558.4MFY2020
  5. 626.3MFY2021
  6. 1.1BFY2022
  7. 1BFY2023
  8. 1.1BFY2024
  9. 1.3BFY2025
  10. 300.1MFY2026

Top buyers

  1. Defense Logistics Agency$168.7M56%
    Department of Defense
  2. Federal Aviation Administration$74.1M25%
    Department of Transportation
  3. Department of the Air Force$50.8M17%
    Department of Defense
  4. Department of the Army$30.2M10%
    Department of Defense
  5. Department of Veterans Affairs$23M7.7%
  6. Agricultural Marketing Service$18.1M6.0%
    Department of Agriculture
  7. Bureau of Land Management$8.3M2.8%
    Department of the Interior
  8. Department of the Navy$7.5M2.5%
    Department of Defense

Top recipients

  1. ENVISION XPRESS INC$99.2M33%
    354 awards
  2. TEXTRON AVIATION INC$76.2M25%
    27 awards
  3. LEADING TECHNOLOGY COMPOSITES INC$52.1M17%
    19 awards
  4. TEXTRON AVIATION DEFENSE LLC$28.7M9.6%
    16 awards
  5. D-J ENGINEERING INC$19.5M6.5%
    215 awards
  6. NATIVE AMERICAN ENTERPRISES, LLC$13.7M4.6%
    9 awards
  7. ENVISION INDUSTRIES, INC.$7.4M2.5%
    101 awards
  8. ELEVATED TECHNOLOGIES SERVICES, LLC$6.9M2.3%
    1 award
  9. KEMRON/ARROWHEAD JV, LLC$5.5M1.8%
    1 award
  10. GENERAL ELECTRIC COMPANY$5.1M1.7%
    12 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.