64503 Frequently Asked Questions

A: ZIP Code 64503 is Located in Saint Joseph Missouri. Portions of 64503 are also in St. Joseph, Washington Township (Buchanan County).

A: ZIP Code 64503 is Located Entirely in Buchanan County Missouri.

A: The Current Sales Tax in ZIP Code 64503 is 10.7%

A: The Area Codes for 64503 are 816 and 975

A: ZIP Code 64503 is in the Missouri 6th Congressional District.

A: 64503 is within Missouri State House of Representatives District 10, Missouri State House of Representatives District 11 and Missouri State House of Representatives District 13.

A: ZIP Code 64503 is in Missouri State Senate District 34.

A: The 2022 population of ZIP Code 64503 is 12033. The population growth rate in 64503 is -1.16%. The population density of 64503 is 764.

A: The majority race/ethnicity of people residing in 64503 is White (90.51%). The majority race/ethnicity of students attending public schools in 64503 is White(74.79%).

A: The median household income in 64503 is $49,325 (2021) and the average adjusted income is $270,960 (2021).