Reference · April 1, 2026

South Dakota Republican Delegation and Leadership

Republican Leaders Staff
Capitol building

South Dakota Federal Delegation

U.S. Senators

SenatorParty
John ThuneRepublican
Mike RoundsRepublican

Governor

Kristi Noem (Republican)

U.S. House Delegation

Republican members: 1 of 1 seats

State Government

Republican trifecta

Overview

South Dakota is a solidly Republican state. Senator John Thune serves as Senate Republican Leader, the highest-ranking Republican in the Senate. Governor Noem gained national prominence as a conservative voice on COVID-era policy and has been a frequent presence in national Republican politics.

Part of the State-by-State Republican Delegation Directory from Republican Leaders. See also: Republican Congressional Leadership.