Diagonal, IA
Population 481 · Iowa
About Diagonal, IA
Diagonal is a small community in Iowa with a population of 481 residents. The median household income is $80,417 per year, which is above the national average. The median age in Diagonal is 47.2 years.
Housing in Diagonal has a median home value of $84,400 and median monthly rent of $838. Of the 163 total housing units, the majority are owner-occupied, with 135 owner-occupied and 16 renter-occupied units.
The unemployment rate in Diagonal is 5.2% and the poverty rate is 6.4%. 15.9% of residents hold a bachelor's degree or higher. The average commute time is 17.2 minutes.
Cost of Living in Diagonal, IA
Compared to national averages, Diagonal has a median household income of $80,417 (7% above the national median of $75,149). Home values average $84,400, which is 66% below the national median. Monthly rent at $838 is 28% below the US average of $1,163. Within Iowa, Diagonal's income is 18% above the state average of $67,947, and home values are 36% below the state median of $132,237.
Why Live in Diagonal, IA?
Diagonal offers a strong local economy with a median household income of $80,417, well above the national average, and affordable housing with a median home value of $84,400, below the US average of $244,900, and rent that’s lower than the national average at $838/month. Additionally, the city features a low poverty rate of 6.4%, better than the national average, and short commute times averaging just 17.2 minutes.
Diagonal has a population of 481 with a median age of 47.2 years. Compare Diagonal with other cities to see how it stacks up, or explore all cities in Iowa.
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Data source: US Census Bureau ACS 5-Year Estimates. Last updated: 2026-04-05.
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Frequently Asked Questions about Diagonal
What is the population of Diagonal, IA?
The population of Diagonal, IA is 481 according to the latest Census data.
What is the median household income in Diagonal?
The median household income in Diagonal, IA is $80,417 per year.
What is the median home value in Diagonal?
The median home value in Diagonal, IA is $84,400.
What is the average rent in Diagonal?
The median monthly rent in Diagonal, IA is $838.
What is the unemployment rate in Diagonal?
The unemployment rate in Diagonal, IA is 5.2%.