Knierim
- County:
- Calhoun County
- County Seat:
- No
- Area (mi²):
- 0.995
- State:
- Iowa
Knierim is a city located in Calhoun County, Iowa. Knierim has a 2026 population of 53. Knierim is currently declining at a rate of -1.85% annually and its population has decreased by -3.64% since the most recent census, which recorded a population of 55 in 2020.
The median household income in Knierim is $89,000 with a poverty rate of 6.58%. The median age in Knierim is 49.3 years: 51 years for males, and 46.5 years for females. For every 100 females there are 90.0 males.