The 1870 United States House of Representatives elections in South Carolina were held on November 1, 1870 to select six Representatives for two-year terms from the state of South Carolina. The fifth and sixth seats were decided by an at-large election, but the House of Representatives refused to seat the two winners. The two incumbents who ran were re-elected and the two open seats were retained by the Republicans. The composition of the state delegation thus remained solely Republican.
1st congressional district special election
The seat for the 1st congressional district became vacant following the resignation of Republican Benjamin F. Whittemore in February 1870. A special election was called to be held simultaneously with the regular election and Republican Joseph Rainey defeated Democrat C.W. Dudley to serve the remainder of the term for the 41st Congress.
General election results
South Carolina's 1st congressional district special election results, 1870
Incumbent Republican Congressman Solomon L. Hoge of the 3rd congressional district, in office since 1869, declined to run for re-election. Robert B. Elliott was nominated by the Republicans and defeated Union Reform challenger John E. Bacon in the general election.
General election results
South Carolina's 3rd congressional district election results, 1870
The state believed that it was entitled to two additional seats in the House of Representatives and elected these members from an At-large congressional district. The voters voted for two candidates and the top two vote getters would be sent to Washington, but there were only two candidates running in the at-large election. White Republican J.P.M. Epping and black Republican Lucius Wimbush won the election, but the House of Representatives refused to seat them.
General election results
South Carolina's at-large congressional district election results, 1870
"Report of the Secretary of State. November 1870." Reports and Resolutions of the General Assembly of the State of South Carolina at the Regular Session, 1870-'71. Columbia, SC: Republican Printing Company, 1871, pp. 513–517.
"Political. South Carolina". New York Times. November 21, 1870. p. 1.