2020 |
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| 2019-2020 | Texas House Redistricting Committee and Senate Special Committee on Redistricting public hearings. |
| April 1, 2020 | Census Day. |
2021 |
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| April 26, 2021 | Census Bureau releases apportionment totals; Texas population is 29,145,505; the state will have two additional congressional seats (38 total). |
| August 12, 2021 | Census Bureau releases the detailed population data by race and ethnicity needed for redistricting. |
| September 1, 2021 | RedAppl updated for 2021 redistricting.Texas Senator Roland Gutierrez and others file Gutierrez v. Abbott in the U.S. District Court for the Western District of Texas, Austin Division, alleging that the existing maps for the Texas Senate and Texas House of Representatives are malapportioned and violate the one-person, one-vote principle of the Fourteenth Amendment to the U.S. Constitution and that Section 28, Article III, Texas Constitution, prohibits the enactment of new maps until 2023. |
| September 20, 2021 | 87th Legislature, 3rd Called Session, begins. State legislative, congressional, and SBOE redistricting included on the call. |
| October 15, 2021 | The 87th Legislature, 3rd Called Session, passes S.B. 4, the Texas Senate redistricting plan (PLANS2168). The 87th Legislature, 3rd Called Session, passes S.B. 7, the State Board of Education redistricting plan (PLANE2106). |
| October 16, 2021 | The 87th Legislature, 3rd Called Session, passes H.B. 1, the Texas House of Representatives redistricting plan (PLANH2316). |
| October 18, 2021 | The League of United Latin American Citizens and others file LULAC v. Abbott in the U.S. District Court for the Western District of Texas, El Paso Division, alleging that H.B. 1, S.B. 4, S.B. 6, and S.B. 7 violate Section 2 of the Voting Rights Act and the Equal Protection Clause of the Fourteenth Amendment to the U.S. Constitution.Damon James Wilson files Wilson v. Texas in the U.S. District Court for the Western District of Texas, Austin Division, alleging that S.B. 6 violates Section 2, Article I, U.S. Constitution, and the Fourteenth Amendment to the U.S. Constitution in that it relies on the unconstitutional determination of the residence of prisoners for the purpose of redistricting congressional districts. |
| October 19, 2021 | The 87th Legislature, 3rd Called Session, passes S.B. 6, the United States House of Representatives redistricting plan (PLANC2193). |
| October 25, 2021 | H.B. 1, S.B. 4, S.B. 6, and S.B. 7 are signed by the governor. Voto Latino and others file Voto Latino v. Scott in the U.S. District Court for the Western District of Texas, Austin Division, alleging that S.B. 6 violates Section 2 of the Voting Rights Act. |
| November 3, 2021 | The Mexican American Legislative Caucus files MALC v. Abbott in state district court in Travis County alleging that H.B. 1 violates the "county line rule" prescribed by Section 26, Article III, Texas Constitution, with respect to Cameron County.The Mexican American Legislative Caucus files MALC v. Texas in the U.S. District Court for the Western District of Texas, Austin Division, alleging that H.B. 1, S.B. 6, and S.B. 7 violate Section 2 of the Voting Rights Act and both the Fourteenth and Fifteenth Amendments to the U.S. Constitution.Roy Charles Brooks and others file Brooks v. Abbott in the U.S. District Court for the Western District of Texas, Austin Division, alleging that S.B. 4 violates Section 2 of the Voting Rights Act and both the Fourteenth and Fifteenth Amendments to the U.S. Constitution with respect to Senate District 10. |
| November 5, 2021 | The Texas State Conference of the NAACP files Texas State Conference of the NAACP v. Abbott in the U.S. District Court for the Western District of Texas, Austin Division, alleging that H.B. 1, S.B. 4, and S.B. 6 violate Section 2 of the Voting Rights Act and the Fourteenth Amendment to the U.S. Constitution. |
| November 16, 2021 | Fair Maps Texas Action Committee and others file Fair Maps Texas Action Committee v. Abbott in the U.S. District Court for the Western District of Texas, Austin Division, alleging that H.B. 1, S.B. 4, and S.B. 6 violate Section 2 of the Voting Rights Act and both the Fourteenth and Fifteenth Amendments to the U.S. Constitution. |
| November 19, 2021 | The U.S. District Court for the Western District of Texas, El Paso Division, issues an order consolidating Wilson v. Texas, Voto Latino v. Scott, MALC v. Texas, Brooks v. Abbott, Texas State Conference of the NAACP v. Abbott, and Fair Maps Texas Action Committee v. Abbott with LULAC v. Abbott. |
| December 6, 2021 | The federal government files United States v. Texas in the U.S. District Court for the Western District of Texas, El Paso Division, alleging that H.B. 1 and S.B. 6 violate Section 2 of the Voting Rights Act. |
| December 10, 2021 | The U.S. District Court for the Western District in Texas, El Paso Division, issues an order consolidating United States v. Texas with LULAC v. Abbott. |
| December 13, 2021 | Filing deadline for new legislative, congressional, and State Board of Education district elections. Texas State Representative Trey Martinez Fischer files Fischer v. Abbott in the U.S. District Court for the Western District of El Paso Division, allegin that S.B. 6 violates Section 2 of the Voting Rights Act and the Equal Protection Clause of the Fourteenth Amendment to the U.S. Constitution. |
| December 15, 2021 | The U.S. District Court for the Western District in Texas, El Paso Division, issues an order consolidating Fischer v. Abbott with LULAC v. Abbott. |
2022 |
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| January 12, 2022 | U.S. Representative Veronica Escobar files Escobar v. Abbott in the U.S. District Court for the Western District of Texas, El Paso Division, alleging that S.B. 6 violates Section 2 of the Voting Rights Act and the Equal Protection Clause of the Fourteenth Amendment to the U.S. Constitution. |
| January 13, 2022 | The U.S. District Court for the Western District of Texas, El Paso Division, issues an order consolidating Escobar v. Abbott with LULAC v. Abbott. |
| February 1, 2022 | The U.S. District Court for the Western District of Texas, El Paso Division, issues an order denying a motion made by the plaintiffs in Brooks v. Abbott for a preliminary injunction to enjoin use for the 2022 election cycle of the boundaries established for Senate District 10. That case had previously been consolidated with LULAC v. Abbott. |
| February 8, 2022 | The U.S. District Court for the Western District of Texas, El Paso Division, issues a final judgment dismissing the claims made by the plaintiff in Wilson v. Texas. That case had previously been consolidated with LULAC v. Abbott. |
| March 1, 2022 | Primary elections. |
| May 24, 2022 | Runoff elections. |
| November 8, 2022 | General election. |
2023 |
|
| January 10, 2023 | The 88th Legislature, the first regular session following publication of the 2020 Census, begins. |
| May 19, 2023 | The 88th Legislature passes H.B. 1000, ratifying the Texas House of Representatives redistricting plan (PlanH2316) previously established by the 87th Legislature, 3rd Called Session. |
| May 22, 2023 | The 88th Legislature passes S.B. 375, ratifying the Texas Senate redistricting plan (PlanS2168) previously established by the 87th Legislature, 3rd Called Session. |