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Diagonal, IA

View of Diagonal, IA
Image credit: Jared Winkler / CC BY-SA 4.0
Population
333
U.S. Census Population Estimates Program · 2025
Elevation
1,157 ft
Median Home Value
$91,500
U.S. Census American Community Survey 5-Year · 2024
Median Rent
$825/mo
U.S. Census American Community Survey 5-Year · 2024
Median Income
$74,375
U.S. Census American Community Survey 5-Year · 2024

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Diagonal in context.

OverallBest places in IowaPopulation rankingHighest population places in IowaNearest larger communityIndianola, Iowa56 miles away · 16,829 residents.

About Diagonal

Diagonal is a city in northwest Ringgold County, Iowa, the United States. The 2020 census counted 344 residents. The community was named for the fact that two railroads intersected diagonally near the town site. Diagonal is located 5 miles west of US Route 169 and approximately eight miles northwest of Mount Ayr. A newcomer can read Diagonal through the overlap of its older landmarks, surrounding geography, and current places. For a newcomer, Diagonal comes into focus through those concrete links among its past, landscape, and current routines. The Grand River flows past the east side of the town. Diagonal includes the Grand River.

Top Rating Signals

Highest current ratings for this town.

Lower County Wildfire Hazard Potential ClassA+100.0ratingLower Projected Late-Century County-Area Exposure to Sea-Level RiseA+100.0ratingLow PopulationA+100.0rating

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