54421 Frequently Asked Questions

A: ZIP Code 54421 is Located in Colby Wisconsin. Portions of 54421 are also in Abbotsford, Colby (town), Hull (Marathon County), Frankfort (Marathon County).

A: ZIP Code 54421 is Located Primarily in Marathon County Wisconsin with Portions in Clark County.

A: The Current Sales Tax in ZIP Code 54421 is 5.5%

A: The Area Codes for 54421 are 535 and 715

A: ZIP Code 54421 is in the Wisconsin 7th Congressional District.

A: ZIP Code 54421 is in Wisconsin State Assembly District 69.

A: ZIP Code 54421 is in Wisconsin State Senate District 23.

A: The 2022 population of ZIP Code 54421 is 3831. The population growth rate in 54421 is 10.81%. The population density of 54421 is 60.

A: The majority race/ethnicity of people residing in 54421 is White (86.90%). The majority race/ethnicity of students attending public schools in 54421 is White(68.72%).

A: The median household income in 54421 is $62,337 (2021) and the average adjusted income is $718,830 (2021).