John R. Marquardt
Republican · SD · Yankton County Commissioner, Chair
John R. Marquardt is a former general manager at Upper Midwest Grain Elevators.
Campaign finance information not available
No verified public records for this candidate — record history researched through September 8, 2026.
Race John R. Marquardt is in:
- State Representative · November 3, 2026 · State House District 18; South Dakota
Profile last researched September 8, 2026.