ZIP Code 52321
About Onslow
Onslow is a city in Jones County, Iowa, United States. The population was 201 at the time of the 2020 census. It is part of the Cedar Rapids metropolitan area.
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Area Profile
US Census (ACS 5-year · Gazetteer)
456
population
$71,250
median household income
12
people / sq mi
$121,400
median home value
$783
median gross rent
40.8
median age
182
housing units
167
households
37.5
land area (sq mi)