63357 Frequently Asked Questions

A: ZIP Code 63357 is Located in Marthasville Missouri. Portions of 63357 are also in Three Creeks, Charrette Township, Pinckney Township, Boone Township (Saint Charles County), Hickory Grove Township, Bridgeport Township, Dutzow, Treloar.

A: ZIP Code 63357 is Located Primarily in Warren County Missouri with Portions in Saint Charles County.

A: The Current Sales Tax in ZIP Code 63357 is 8.2%

A: The Area Code for 63357 is 636.

A: ZIP Code 63357 is in the Missouri 2nd Congressional District.

A: 63357 is within Missouri State House of Representatives District 42 and Missouri State House of Representatives District 102.

A: 63357 is within Missouri State Senate District 2 and Missouri State Senate District 26.

A: The 2022 population of ZIP Code 63357 is 6899. The population growth rate in 63357 is 27.06%. The population density of 63357 is 54.

A: The majority race/ethnicity of people residing in 63357 is White (95.25%). The majority race/ethnicity of students attending public schools in 63357 is White(93.66%).

A: The median household income in 63357 is $85,383 (2021) and the average adjusted income is $456,290 (2021).