Knierim is a city in Calhoun County, Iowa, United States. The population was 53 at the time of the 2020 census.
History
The city was founded by William and Wilhelmina Knierim in 1899, and incorporated in 1901.
Geography
thumb|left|240px|NEW (North East Webster) Cooperative facility in Knierim
According to the United States Census Bureau, the city has a total area of , all land.
Knierim lies at the southeastern margin (rim) of Manson crater, an impact structure buried by glacial till and outwash.