51056 Frequently Asked Questions

A: ZIP Code 51056 is Located in Smithland Iowa. Portions of 51056 are also in Oto, Little Sioux Township (Woodbury County), Oto Township.

A: ZIP Code 51056 is Located Entirely in Woodbury County Iowa.

A: The Current Sales Tax in ZIP Code 51056 is 7.0%

A: The Area Code for 51056 is 712.

A: ZIP Code 51056 is in the Iowa 4th Congressional District.

A: ZIP Code 51056 is in Iowa State House of Representatives District 13.

A: ZIP Code 51056 is in Iowa State Senate District 7.

A: The 2022 population of ZIP Code 51056 is 464. The population growth rate in 51056 is 8.72%. The population density of 51056 is 16.

A: The majority race/ethnicity of people residing in 51056 is White (75.70%).

A: The median household income in 51056 is $63,857 (2021) and the average adjusted income is $153,550 (2021).