The South Carolina Constitution of 1895 provided for each county to elect one senator for a four-year term. The election of senators was staggered so that half of the state Senate was elected every two years. After the U.S. Supreme Court ruled in 1964 for the case Reynolds v. Sims, the state Senate was reapportioned in 1966 as a temporary measure into 27 districts with 50 members for two-year terms. In 1967, the state Senate was again reapportioned, this time into 20 districts with 46 members for four-year terms. The number of districts was reduced to 16 in 1972 and in 1984, they were eliminated with the creation of single member districts.
The annual session of the General Assembly convenes at the State Capitol Building in Columbia on the second Tuesday of January of each year. However, after convening, either the House or the Senate may call for itself a 30-day recess by a majority vote, or a longer recess by a two-thirds vote.[1]
^ abAfter the 2000 elections, the Senate was evenly split between 23 Democrats and 23 Republicans. A Democrat, J. Verne Smith of Greer, switched to the Republicans to break the tie.
^Republicans gained an additional seat in a 2007 special election.
^One independent, Mia McLeod, was formerly a member of the Democratic Party until January 10, 2023.
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