ZIP Code 61274
About Osco
Osco is a census designated place in Osco Township, Henry County, Illinois, United States. As of the 2020 census, Osco had a population of 108.
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Area Profile
US Census (ACS 5-year · Gazetteer)
206
population
$97,656
median household income
9
people / sq mi
$130,700
median home value
62.3
median age
91
housing units
91
households
23.6
land area (sq mi)