Calamus is located in Iowa. Calamus, Iowa has a population of 375. Calamus is less family-centric than the surrounding county with 21% households with children. The county percentage for households with children is 24%.
The median household income in Calamus, Iowa is $69,286. The median household income for the surrounding county is $53,018 compared to the national median of $66,222. The median age of people living in Calamus is 44.5 years.
The average high temperature in July is 83.6 degrees, with an average low temperature in January of 8.2 degrees. The annual precipitation is 36.1.