Diagonal is located in Iowa. Diagonal, Iowa has a population of 506. Diagonal is more family-centric than the surrounding county with 62.62% of the households containing married families with children. The county average for households married with children is 31.29%.
The median household income in Diagonal, Iowa is $76,458. The median household income for the surrounding county is $57,700 compared to the national median of $69,021. The median age of people living in Diagonal is 46.2 years.
The average high temperature in July is 84.5 degrees, with an average low temperature in January of 12 degrees. The average rainfall is approximately 36.6 inches per year, with 20.1 inches of snow per year.
