ZIP Code 50514
About Armstrong
Armstrong is a city in Emmet County, Iowa, United States. The population was 875 at the 2020 census. It was originally known as Armstrong Grove.
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Area Profile
US Census (ACS 5-year · Gazetteer)
1,190
population
$70,550
median household income
11
people / sq mi
$128,600
median home value
$611
median gross rent
55.1
median age
636
housing units
557
households
113.2
land area (sq mi)