ZIP Code 65230
About Armstrong
Armstrong is a city in Howard County, Missouri, United States. The population was 243 at the 2020 census. It is part of the Columbia, Missouri Metropolitan Statistical Area.
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Area Profile
US Census (ACS 5-year · Gazetteer)
521
population
$42,000
median household income
8
people / sq mi
$61,700
median home value
34.6
median age
273
housing units
204
households
65.5
land area (sq mi)