Barnum is located in Iowa. Barnum, Iowa has a population of 289. Barnum is more family-centric than the surrounding county with 42.86% of the households containing married families with children. The county average for households married with children is 24.45%.
The median household income in Barnum, Iowa is $74,000. The median household income for the surrounding county is $56,934 compared to the national median of $69,021. The median age of people living in Barnum is 27.3 years.
The average high temperature in July is 83.6 degrees, with an average low temperature in January of 8.3 degrees. The average rainfall is approximately 34.1 inches per year, with 35.2 inches of snow per year.
