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Massac County, Illinois Zip Codes
Zip Code
City
Population
62960
Metropolis
10,719
62910
Brookport
2,150
62956
Karnak
1,206
62908
Belknap
443
62953
Joppa
333
Population is the most recent figure from the U.S. Census Bureau's 2022
American Community Survey (ACS) 5-Year Estimates
.