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Diagonal is located in Iowa. Diagonal, Iowa has a population of 270. Diagonal is more family-centric than the surrounding county with 29% of the households containing married families with children. The county average for households married with children is 24%.
The median household income in Diagonal, IA is $49,659. The median household income for the surrounding county is $49,207 compared to the national median of $57,525. The median age of people living in Diagonal is 43 years old.Learn more about Real Estate.