Congressional district · Boundaries of the 119th Congress

Ohio's 4th district

Ohio's 4th district has 801,960 residents on 4,880 mi² of land. It is represented by Jim Jordan (R-OH-4). Federal contract obligations attributed to it reached $94.3M in FY2026.

Residents
801,960
Land area
4,880 mi²
Counties
13
Representative
Jim Jordan
Open in the Congress explorer
Map of Ohio's 4th district within Ohio

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. Delaware County22% of the district · 77% of the county
  2. Richland County16% of the district · 100% of the county
  3. Allen County13% of the district · 100% of the county
  4. Union County8.4% of the district · 100% of the county
  5. Marion County8.1% of the district · 100% of the county
  6. Ashland County6.5% of the district · 100% of the county
  7. Auglaize County5.8% of the district · 100% of the county
  8. Logan County5.7% of the district · 100% of the county
  9. Champaign County4.8% of the district · 100% of the county
  10. Morrow County4.4% of the district · 100% of the county
  11. Hardin County3.8% of the district · 100% of the county
  12. Shelby County2.2% of the district · 37% of the county
  13. Wyandot County0.2% of the district · 5.8% 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
$94.3M
Per resident
$118
Rank in Ohio
13 of 15
Contract actions
1,004
New awards: 652

By fiscal year

  1. 71.8MFY2017
  2. 75.9MFY2018
  3. 121.7MFY2019
  4. 192.7MFY2020
  5. 167.2MFY2021
  6. 128.1MFY2022
  7. 418.7MFY2023
  8. 134.5MFY2024
  9. 149.2MFY2025
  10. 94.3MFY2026

Top buyers

  1. Department of the Army$33.3M35%
    Department of Defense
  2. Defense Logistics Agency$31.4M33%
    Department of Defense
  3. National Highway Traffic Safety Administration$17.5M19%
    Department of Transportation
  4. Department of Veterans Affairs$3M3.2%
  5. Department of the Air Force$2.6M2.8%
    Department of Defense
  6. Department of the Navy$1.5M1.6%
    Department of Defense
  7. Offices, Boards and Divisions$1.2M1.3%
    Department of Justice
  8. Office of the Assistant Secretary for Administration and Management$740K0.8%
    Department of Labor

Top recipients

  1. TRANSPORTATION RESEARCH CENTER INC$17.5M19%
    37 awards
  2. LOC PERFORMANCE PRODUCTS LLC$17.4M18%
    22 awards
  3. LOC PERFORMANCE PRODUCTS LLC$16.3M17%
    2 awards
  4. HONEYWELL INTERNATIONAL INC.$10M11%
    168 awards
  5. SIEMENS GOVERNMENT TECHNOLOGIES INC$7.7M8.2%
    1 award
  6. GRIMES AEROSPACE COMPANY$7.7M8.1%
    178 awards
  7. T.J. CLARK INTERNATIONAL LLC$1.9M2.0%
    3 awards
  8. NECOTECH LLC$1.9M2.0%
    2 awards
  9. SCHAAF DRUGS, LLC$1.6M1.7%
    6 awards
  10. AMERICAN BUSINESS SOLUTIONS INC$1.1M1.2%
    13 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.