Calamus Real EstateCalamus is located in Iowa. Calamus, Iowa has a population of 435. Calamus is less family-centric than the surrounding county with 23.89% of the households containing married families with children. The county average for households married with children is 27.3%. The median household income in Calamus, Iowa is $52,279. The median household income for the surrounding county is $50,295 compared to the national median of $57,652. The median age of people living in Calamus is 32.9 years. Calamus WeatherThe average high temperature in July is 84.7 degrees, with an average low temperature in January of 9.9 degrees. The average rainfall is approximately 36.5 inches per year, with 38 inches of snow per year. Calamus MapReal estate near CalamusNearby CitiesNearby Cities Homes for Sale |