There are 6 zip codes in Alexander County, Illinois. The most populated is 62914, located in Cairo. * 2024 populations estimated based on the latest ACS 5-year data.

CSV JSON
Zip Code
Population
City
629141,880Cairo
629901,155Thebes
629881,141Tamms
62957655McClure
62969342Olive Branch
629620Miller City

Zip Codes in Alexander County, Illinois by Population (2024)