Calamus is located in Iowa. Calamus, Iowa has a population of 403. Calamus is less family-centric than the surrounding county with 21.15% of the households containing married families with children. The county average for households married with children is 25.79%.
The median household income in Calamus, Iowa is $62,500. The median household income for the surrounding county is $56,345 compared to the national median of $69,021. The median age of people living in Calamus is 41.8 years.
The average high temperature in July is 83.7 degrees, with an average low temperature in January of 10.5 degrees. The average rainfall is approximately 37 inches per year, with 31.1 inches of snow per year.