63304 Frequently Asked Questions

A: ZIP Code 63304 is Located in Saint Charles Missouri. Portions of 63304 are also in Cottleville, St. Peters, O'Fallon, Weldon Spring, Weldon Spring Heights, Cottleville Township, Dardenne Township, Boone Township (Saint Charles County), Harvester Township, St. Peters Township.

A: ZIP Code 63304 is Located Entirely in Saint Charles County Missouri.

A: The Current Sales Tax in ZIP Code 63304 is 9.9%

A: The Area Code for 63304 is 636.

A: 63304 is within by the Missouri 3rd Congressional District and the Missouri 2nd Congressional District.

A: 63304 is within Missouri State House of Representatives District 65, Missouri State House of Representatives District 69, Missouri State House of Representatives District 102, Missouri State House of Representatives District 104 and Missouri State House of Representatives District 107.

A: 63304 is within Missouri State Senate District 2 and Missouri State Senate District 23.

A: The 2022 population of ZIP Code 63304 is 42738. The population growth rate in 63304 is 3.43%.

A: The majority race/ethnicity of people residing in 63304 is White (91.36%). The majority race/ethnicity of students attending public schools in 63304 is White(80.97%).

A: The median household income in 63304 is $103,766 (2021) and the average adjusted income is $102,770 (2020).