ZIP Code 61259
About Illinois City
Illinois City is an unincorporated community in the U.S. state of Illinois, across the Mississippi River from Muscatine, Iowa. The community straddles Buffalo Prairie Township and Drury Township in Rock Island County, Illinois. As of the 2020 census, Illinois City had a population of 159.
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Area Profile
US Census (ACS 5-year · Gazetteer)
1,107
population
$88,550
median household income
14
people / sq mi
$198,900
median home value
55.5
median age
573
housing units
505
households
76.8
land area (sq mi)