51104 Frequently Asked Questions

A: ZIP Code 51104 is Located in Sioux City Iowa.

A: ZIP Code 51104 is Located Entirely in Woodbury County Iowa.

A: The Current Sales Tax in ZIP Code 51104 is 7.0%

A: The Area Code for 51104 is 712.

A: ZIP Code 51104 is in the Iowa 4th Congressional District.

A: 51104 is within Iowa State House of Representatives District 1 and Iowa State House of Representatives District 2.

A: ZIP Code 51104 is in Iowa State Senate District 1.

A: The 2022 population of ZIP Code 51104 is 22759. The population growth rate in 51104 is 2.17%. The population density of 51104 is 3,354.

A: The majority race/ethnicity of people residing in 51104 is White (71.79%). The majority race/ethnicity of students attending public schools in 51104 is White(42.88%).

A: The median household income in 51104 is $64,735 (2021) and the average adjusted income is $519,210 (2021).
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