About 50552 - Knierim, Iowa

50552 is a sparsely populated ZIP code covering Knierim in Iowa, the United States. This area falls under Calhoun County.

Census data puts the population of this ZIP code at 76 residents. It's a quieter, less populous area than the typical Iowa ZIP code (avg. ~3,313).

Population density runs around 58 people per sq. mile, making it a rural area.

Other ZIP code codes in Iowa serve areas such as Ankeny, Cedar Falls, Dubuque.