Texas Senate, District 21
District 21 of the Texas Senate is a senatorial district that currently serves all of Bee, Caldwell, Duval, Jim Hogg, Karnes, La Salle, Live Oak, McMullen, San Patricio, Starr, Webb, Wilson, and Zapata and portions of Atascosa, Bexar, Guadalupe, Hays, and Travis counties in the U.S. state of Texas.
The current Senator from District 21 is Judith Zaffirini.District 21 has a population of 807,460 with 567,099 that is at voting age from the 2010 census.
| Name | County | Pop. |
| 1 | Laredo | Webb | 236,091 |
| 2 | Austin | Travis | 129,085 |
| 3 | San Marcos | Caldwell/Hays/Guadalupe | 24,197 |
| 4 | Seguin | Guadalupe | 23,620 |
| 5 | Portland | San Patricio | 15,099 |
Election history of District 21 from 1992.2020
2016
2012
2008
2004
2002
2000
1996
1994
1992
District officeholders
