78557 Frequently Asked Questions

A: ZIP Code 78557 is Located in Hidalgo Texas.

A: ZIP Code 78557 is Located Entirely in Hidalgo County Texas.

A: The Current Sales Tax in ZIP Code 78557 is 8.2%

A: The Area Code for 78557 is 956.

A: ZIP Code 78557 is in the Texas 15th Congressional District.

A: ZIP Code 78557 is in Texas State House of Representatives District 36.

A: ZIP Code 78557 is in Texas State Senate District 20.

A: The 2022 population of ZIP Code 78557 is 14075. The population growth rate in 78557 is 0.58%. The population density of 78557 is 1,830.

A: The majority race/ethnicity of people residing in 78557 is Hispanic (71.55%). The majority race/ethnicity of students attending public schools in 78557 is Hispanic(99.96%).

A: The median household income in 78557 is $39,504 (2021) and the average adjusted income is $478,760 (2021).