78503 Frequently Asked Questions

A: ZIP Code 78503 is Located in McAllen Texas. Portions of 78503 are also in Hidalgo, Mission.

A: ZIP Code 78503 is Located Entirely in Hidalgo County Texas.

A: The Current Sales Tax in ZIP Code 78503 is 8.2%

A: The Area Code for 78503 is 956.

A: ZIP Code 78503 is in the Texas 15th Congressional District.

A: 78503 is within Texas State House of Representatives District 36 and Texas State House of Representatives District 41.

A: ZIP Code 78503 is in Texas State Senate District 20.

A: The 2022 population of ZIP Code 78503 is 21799. The population growth rate in 78503 is -10.64%. The population density of 78503 is 1,030.

A: The majority race/ethnicity of people residing in 78503 is Hispanic (63.66%). The majority race/ethnicity of students attending public schools in 78503 is Hispanic(95.83%).

A: The median household income in 78503 is $40,012 (2021) and the average adjusted income is $639,370 (2021).
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