Historical Maps (1846–2012)
| Elections | Adoption | Districts | Citation |
|---|---|---|---|
| 1846-1848 |
1st Legislature, Regular Session (1846) |
2 | Acts 1846, 1st Leg., R.S., eff. Feb. 28, 1846. |
| 1850-1860 |
3rd Legislature, Regular Session (1850) | 2 | Acts 1850, 3rd Leg., R.S., Ch. 134, app. Feb. 11, 1850. |
| 1861-1863 | 8th Legislature, 1st Called Session (1861) | 6 | Acts 1861, 8th Leg., 1st C.S., Ch. 46, eff. Apr. 6, 1861; Acts 1861, 8th Leg., 1st C.S., Ch. 53, eff. Apr. 8, 1861. |
| 1866-1868 | 11th Legislature, Regular Session (1866) | 4 | Acts 1866, 11th Leg., R.S., Ch. 10, eff. Sep. 8, 1866; Acts 1866, 11th Leg., R.S., Ch. 31, eff. Oct. 8, 1866. |
| 1869-1872 | Declaration, Constitution of the State of Texas (1869) | 1869-1870: 4 1872: 4 and 2 At-large |
Constitution of the State of Texas (1869) |
| 1874-1878 | 14th Legislature, Regular Session (1874) | 6 | Acts 1874, 14th Leg., R.S., Ch. 161, eff. May 2, 1874. |
| 1880 | 16th Legislature, Regular Session (1879) | 6 | Acts 1879, 16th Leg., R.S., Ch. 102, eff. Apr. 18, 1879. |
| 1882-1890 | House Substitute for Bills 1, 5, 36, and 41, 17th Legislature, 1st Called Session (1882) | 11 | Acts 1882, 17th Leg., 1st C.S., Ch. 30, eff. Aug. 3, 1882. |
| 1892-1900 | House Substitute for Bills 1, 26, and 29, 22nd Legislature, 1st Called Session (1892) | 13 | Acts 1892, 22nd Leg., 1st C.S., Ch. 19, eff. Jul. 11, 1892; United States v. Texas, 162 U.S. 1 (1896). |
| 1902-1908 | Free Conference Committee Substitute for Substitute House Bills 3, 5, and 6, 27th Legislature, 1st Called Session (1901) | 16 | Acts 1901, 27th Leg., 1st C.S., Ch. 5, eff. Dec. 3, 1901. |
| 1910-1916 | House Bill 448, 31st Legislature, Regular Session (1909) | 1910: 16 1912: 16 and 2 At-large |
Acts 1909, 31st Leg., R.S., Ch. 86, eff. Jun. 11, 1909. |
| 1918-1932 | Committee Substitute for House Bill 11, 35th Legislature, Regular Session (1917) | 1918-1930: 18 1932: 18 and 3 At-large |
Acts 1917, 35th Leg., R.S., Ch. 119, eff. Jun. 19, 1917. |
| 1934-1956 | Senate Bill 195, 43rd Legislature, Regular Session (1933) | 1934-1950: 21 1952-1956: 21 and 1 At-large |
Acts 1933, 43rd Leg., R.S., Ch. 135, eff. Aug. 30, 1933. |
| 1958-1964 | House Bill 229, 55th Legislature, Regular Session (1957) | 1958-1960: 22 1962-1964: 22 and 1 At-large |
Acts 1957, 55th Leg., R.S., Ch. 286, eff. Aug. 21, 1957; Bush v. Martin, 224 F. Supp. 499 (S.D. Tex. 1963); aff'd per curiam, Martin v. Bush, 376 U.S. 222 (1964). |
| 1966 | House Bill 67, 59th Legislature, Regular Session (1965) | 23 | Acts 1965, 59th Leg., R.S., Ch. 349, eff. Aug. 30, 1965. |
| 1968, 1970 | Senate Bill 335, 60th Legislature, Regular Session (1967) | 23 | Acts 1967, 60th Leg., R.S., Ch. 342, eff. Aug. 28, 1967; Bush v. Martin, 251 F. Supp. 484 (S.D. Tex. 1966). |
| 1972 | Senate Bill 1, 62nd Legislature, 1st Called Session (1971) | 24 | Acts 1971, 62nd Leg. 1st C.S., Ch. 12, eff. Sep. 3, 1971. |
| 1974 | As Ordered by the U.S. District Court for the Northern District of Texas, October 17, 1973 | 24 | White v. Weiser, --- F. Supp. --- (N.D. Tex. 1973); PLAN B |
| 1976-1980 | House Bill 1065, 64th Legislature, Regular Session (1975) | 24 | Acts 1975, 64th Leg., R.S., Ch. 538, eff. Sep. 1, 1975. |
| 1982 | Senate Bill 1, 67th Legislature, 1st Called Session (1981), as Modified by the U.S. District Court for the Eastern District of Texas, February 27, 1982 | 27 | Acts 1981, 67th Leg., 1st C.S., Ch. 2, eff. Nov. 10, 1981; Seamon v. Upham, 536 F. Supp. 931, 958 (E.D. Tex. 1982). |
| 1984-1990 | Senate Bill 480, 68th Legislature, Regular Session (1983) | 27 | Acts 1983, 68th Leg., R.S., Ch. 531, eff. Jun. 19, 1983. |
| 1992-1994 1996 Primaries |
House Bill 1, 72nd Legislature, 2nd Called Session (1991) | 30 | Acts 1991, 72nd Leg., 2nd C.S., Ch. 7, eff. Nov. 24, 1991; Vera v. Richards, 861 F. Supp. 1304 (S.D. Tex. 1994); Bush v. Vera, 517 U.S. 952 (1996); Vera v. Bush, 933 F. Supp. 1341 (S.D. Tex. 1996); PLANC657 |
| 1996 Special and General Elections and 1998-2000 Elections | As Ordered by the U.S. District Court for the Southern District of Texas, August 6, 1996 | 30 | Vera v. Bush, 933 F. Supp. 1341 (S.D. Tex. 1996); Vera v. Bush, 980 F. Supp. 254 (S.D. Tex. 1997); PLANC746 |
| 2002 | As Ordered by the U.S. District Court for the Eastern District of Texas, November 14, 2001 | 32 | Balderas v. State of Texas, --- F. Supp. --- (E.D. Tex. 2001); PLAN01151C |
| 2004 Elections and 2006 Primaries | House Bill 3, 78th Legislature, 3rd Called Session (2003) | 32 | Acts 2003, 78th Leg., 3rd C.S., Ch. 2, eff. Jan. 11, 2004; PLAN01374C |
| 2006 Special and General Elections to 2010 | As Ordered by the U.S. District Court for the Eastern District of Texas, August 4, 2006 | 32 | Lulac v. Perry, 457 F. Supp. 2d 716 (E.D. Tex. 2006); PLAN01440C |