The 2018 Texas Senate elections took place as part of the biennial United States elections. Texas voters elected state senators in 15 of the state senate's 31 districts. The winners of this election served in the 86th Texas Legislature. State senators serve four-year terms in the Texas State Senate. A statewide map of Texas's state Senate districts can be obtained from the Texas Legislative Council here, and individual district maps can be obtained from the U.S. Census here.

The 2020 Texas Senate elections took place as part of the biennial United States elections. Texas voters elected state senators in 16 of the 31 state senate districts. The winners of this election served in the 87th Texas Legislature. State senators serve four-year terms in the Texas State Senate. Those elected in 2020 will only be elected for two years, however, as part of the 2-4-4 term system. A statewide map of Texas's state Senate districts can be obtained from the Texas Legislative Council. and individual district maps can be obtained from the U.S. Census.