ZIP Code 78538 is within two congressional districts: the 34th US Congressional District of Texas currently represented by Democrat Vicente Gonzalez Jr. and the 15th US Congressional District of Texas currently represented by Republican Monica De La Cruz.
The Texas Legislature is the state legislature of the U.S. state of Texas. It is bicameral, consisting of the upper Texas Senate and the lower Texas House of Representatives. ZIP Code 78538 is within two Texas State House of Representatives districts: the Texas State House of Representatives District 35 currently represented by Democrat Oscar Longoria. the Texas State House of Representatives District 40 currently represented by . ZIP Code 78538 is completely within Texas State Senate District 27 and is currently represented by Democrat Morgan LaMantia.