ZIP Code 62069
About Mount Olive
Mount Olive is a city in Macoupin County, Illinois, United States. The population was 2,015 at the 2020 census. The city is part of the Metro East region within the St. Louis metropolitan area.
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Area Profile
US Census (ACS 5-year · Gazetteer)
3,102
population
$57,642
median household income
106
people / sq mi
$105,700
median home value
$711
median gross rent
51.0
median age
1,658
housing units
1,391
households
29.1
land area (sq mi)