OK District 4
Oklahoma · 5 Counties · Lawton, Norman, Moore
civdotiq.org
Federal Representatives
James Lankford
Republican · U.S. Senator
Phone: 202-224-5754
Web: https://www.lankford.senate.gov
Office: 731 Hart Senate Office Building Washington DC 20510
Alan Armstrong
Republican · U.S. Senator
Phone: 202-224-4721
Web: https://www.armstrong.senate.gov
Office: 330 Hart Senate Office Building Washington DC 20510
Tom Cole
Republican · U.S. Representative
Phone: 202-225-6165
Web: https://cole.house.gov
Office: 2207 Rayburn House Office Building Washington DC 20515-3604
Key Demographics
804,349
Population
$67K
Median Income
37
Median Age
| Metric | Value |
|---|---|
| Bachelor's Degree or Higher | 17.7% |
| Poverty Rate | 14.7% |
| Urban Population | 51% |
| Diversity Index | 50.4 |
| Land Area | 9,734 sq mi |
Federal Spending
$2.8M
Total Annual
32
Contracts & Grants
$67.1M
Infrastructure
| Project | Agency | Amount |
|---|---|---|
| STRUCTSURE PROJECTS INC | Department of Transportation | $64.4M |
| JET SUPPORT SERVICES, INC. | Department of Transportation | $17.4M |
| GOVERNMENT SOLUTIONS GROUP, LLC | Department of Commerce | $3.3M |
| PRIME PHYSICIANS TRI PROVIDERS LLC | Department of Health and Human Services | $3.0M |
| WEIL CONSTRUCTION INC | General Services Administration | $2.5M |
Statewide Context
992,735
Oklahoma Medicaid & CHIP (Jun 2026)
270,767
Oklahoma Veteran Population (FY2026)
Statewide totals, not specific to this district — these federal programs report only at the state level. Sources: CMS (data.medicaid.gov), VA NCVAS (datahub.va.gov).
Geography
| Counties (5) | Major Cities |
|---|---|
| Comanche, Cleveland, Garvin, McClain, Stephens | Lawton, Norman, Moore |