ZIP Code 78112 is within two congressional districts: the 28th US Congressional District of Texas currently represented by Democrat Henry Cuellar 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 78112 is within two Texas State House of Representatives districts: the Texas State House of Representatives District 31 currently represented by Republican Ryan Guillen. the Texas State House of Representatives District 118 currently represented by . ZIP Code 78112 is within two Texas State Senate districts: Texas State Senate District 19 currently represented by Democrat Roland Gutierrez and Texas State Senate District 21 currently represented by Democrat Judith Zaffirini.