There are 6 cities in Alexander County, Illinois.

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City
Rank
State
2024 Population
2020 Census
Annual Change
Density (mi²)
Area (mi²)
Cairo1Illinois1,4931,716-3.8%2146.99
Olive Branch2Illinois578610 609.64
Tamms3Illinois367420-3.67%1572.33
East Cape Girardeau4Illinois250285-3.48%1271.96
McClure5Illinois220254-3.93%1441.53
Thebes6Illinois179205-3.76%1031.75
showing: 6 rows

Cities in Alexander County, Illinois by Population (2024)

What is the largest city in Alexander County, Illinois?

Cairo is the largest city in Alexander County.

What is the smallest city in Alexander County, Illinois?

Thebes is the smallest city in Alexander County.

How many cities are in Alexander County?

There are 6 cities in Alexander County, Illinois.

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