Castana is located in Iowa. Castana, Iowa has a population of 209. Castana is less family-centric than the surrounding county with 22.22% of the households containing married families with children. The county average for households married with children is 25.85%.
The median household income in Castana, Iowa is $62,375. The median household income for the surrounding county is $56,107 compared to the national median of $69,021. The median age of people living in Castana is 48.6 years.
The average high temperature in July is 85.1 degrees, with an average low temperature in January of 9.2 degrees. The average rainfall is approximately 31 inches per year, with 28.9 inches of snow per year.