Calamus City, Iowa is located in the state of Iowa. It is a mid-sized community with approximately 316 residents of voting age. Among these residents, 55.4% of them are male and 44.6% are female. In addition, 23.5% of the population is considered to be over 65 years old. Among the population's ethnic groups, 98.8% of Calamus residents are White. Only 0.7% are American Indian, and 1.6% identify themselves as Hispanic.
The population of Calamus City, IA, is made up of both workers and unemployed people. The labor force is composed of people in the military, civilians, and people enrolled in postsecondary education. The unemployed population is those who are actively seeking work and are not in the military. The unemployment rate in Calamus, Iowa, is 38%, which means that 38% of the population is either unemployed or not looking for work.