Diagonal is located in Iowa. Diagonal, Iowa has a population of 378. Diagonal is more family-centric than the surrounding county with 31.82% of the households containing married families with children. The county average for households married with children is 29.4%.
The median household income in Diagonal, Iowa is $40,625. The median household income for the surrounding county is $50,642 compared to the national median of $57,652. The median age of people living in Diagonal is 54.5 years.
The average high temperature in July is 84.8 degrees, with an average low temperature in January of 11.6 degrees. The average rainfall is approximately 36.7 inches per year, with 17.4 inches of snow per year.
