^The office remained vacant until the 14th Legislature in 1874.
^Elected lieutenant governor in 1869 but was not inaugurated. He presided over the provisional session but left office after being selected as an at-large representative to the United States Congress.
^Elected in a special election held under military direction.
^ abcdAs president pro tempore of the state Senate, served as lieutenant governor ex officio while the office remained vacant.
^Some sources list three Democratic senators as independents from 1885–1887
^Commissioner of Agriculture, Insurance, Statistics & History. Governor Hogg appointed Foster to the First Railroad Commission of Texas in May.
^Sen. George Washington Glasscock Jr. was elected in 1888 as an Independent but served as a Democrat.
^Republican Arthur C. Tompkins won an election contest against Democrat William Joseph on February 15, 1895. Independent Frank Brooks was sworn in on April 16, 1895 after being elected to succeed Democrat Robert Harrell, who died.
^Rep. Homer Leonard was elected as a write-in candidate as the candidate for the Good Government League. He officially served as a Democrat during his first term but as an independent during the following three.
^In February 1995, Republican Todd Staples won a special election to flip a seat.[2] Later in 1995, Representative Warren Chisum switched parties.[3]
^Representative Greg Laughlin switched parties from Democratic to Republican.
^In 1996, voters approved a constitutional amendment abolishing the Office of State Treasurer and transferring its functions to the Office of Comptroller of Public Accounts.
^In January 1997, Republican Steve Ogden won a special election to flip a seat.
^Representative Ralph Hall switched parties from Democratic to Republican.
^Democrat Donna Howard won a special election to fill the unexpired term of Republican Todd Baxter.
^Democrat Dan Barret won a special election to fill the unexpired term of Republican Anna Mowery, and Republican Kirk England switched his party affiliation from Republican to Democratic, flipping two seats.[4][5]
^Representative Chuck Hopson switched parties from Democratic to Republican in November 2009.
^Representatives Allan Ritter and Aaron Peña switched parties from Democratic to Republican after the election.
^Representative J.M. Lozano switched parties from Democratic to Republican in March.
^Republican John Lujan won a special election to succeed Democrat Joe Farias, who resigned, flipping a seat.[6] Additionally, Independent Laura Thompson won a special election to succeed Democrat Ruth Jones McClendon, who resigned, flipping another seat.[7]
^Republican Pete Flores won a special election to succeed Democrat Carlos Uresti, who resigned, flipping a seat.[8]
^Republican John Lujan won a special election to succeed Democrat Leo Pacheco, who resigned, flipping a seat.[9] Additionally, Ryan Guillen switched parties from Democratic to Republican.[10]
