ZIP Code 50845
About Diagonal
Diagonal is a city in northwest Ringgold County, Iowa, the United States. The population was 344 at the time of the 2020 census.
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Area Profile
US Census (ACS 5-year · Gazetteer)
820
population
$70,781
median household income
7
people / sq mi
$104,300
median home value
$838
median gross rent
40.6
median age
314
housing units
277
households
111.9
land area (sq mi)