ZIP Code 61474
About Saint Augustine
St. Augustine or Saint Augustine is a village in Knox County, Illinois, United States. The population was 119 at the 2020 census. It is part of the Galesburg Micropolitan Statistical Area.
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Area Profile
US Census (ACS 5-year · Gazetteer)
238
population
$57,353
median household income
9
people / sq mi
$78,100
median home value
51.4
median age
128
housing units
124
households
26.0
land area (sq mi)