ZIP Code 51235
About Doon
Doon is a city in Doon Township, Lyon County, Iowa, United States, along the Rock River. The population was 619 at the time of the 2020 census. The BNSF Railway passes through Doon.
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Area Profile
US Census (ACS 5-year · Gazetteer)
1,152
population
$63,194
median household income
22
people / sq mi
$250,600
median home value
$481
median gross rent
29.2
median age
381
housing units
381
households
53.5
land area (sq mi)