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.
Top 5 biggest cities in district
District 21 has a population of 807,460 with 567,099 that is at voting age from the 2010 census.
Election history
Election history of District 21 from 1992.