ZIP Code 62233
About Chester
Chester is a city in and the county seat of Randolph County, Illinois, United States, on a bluff above the Mississippi River. The population was 7,640 at the 2020 census. It lies 61 miles (98 km) south of St. Louis, Missouri.
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Area Profile
US Census (ACS 5-year · Gazetteer)
8,233
population
$78,333
median household income
121
people / sq mi
$111,500
median home value
$645
median gross rent
44.0
median age
2,946
housing units
2,544
households
68.3
land area (sq mi)