Iowa Supreme Court
Des Moines · A court of last resort in Iowa.
The Iowa Supreme Court is the highest court in Iowa. Its justices are chosen by gubernatorial appointment from a nominating commission, followed by retention elections. This page lists every justice to serve on the court, current and former, with when they joined the bench and whom they succeeded.
Current bench verified against the court’s official roster, 2026-07-02.
Current justices
- Chief JusticeSusan Christensen
- Edward M. Mansfield
- Thomas D. Waterman
- Christopher McDonald
- Matthew McDermott
- Dana Oxley
- David May
Former justices
How a justice reaches this court. Justices of the Iowa Supreme Court are appointed by the governor to 8-year terms and then face yes-or-no retention elections. The State Judicial Nominating Commission sends nominees to the governor, who appoints; justices then face yes-or-no retention elections for eight-year terms. Selection methods vary by jurisdiction and have changed over time; this page reflects the court’s current method (source: National Center for State Courts). Open any justice to see their tenure and whom they succeeded.
Source: Current roster: Iowa Judicial Branch — Supreme Court Justices (iowacourts.gov) and CourtListener / Free Law Project (bulk data); selection method from the National Center for State Courts. Data as of 2026-07-02 (official roster); historical bench 2026-03-31 (CourtListener bulk snapshot). Verify against the primary source before relying. Not a consumer report (FCRA).