Caseyville, IL Demographics
Caseyville, IL is the 361st most populous of 1464 cities in Illinois, with 4,400 residents across 7 square miles. That is about 605 people per square mile.
At the 2020 census
| Population | 4,400 |
|---|---|
| Land area | 7 sq mi |
| Density | 605 / sq mi |
Data: 2020 Decennial Census · land area from Census TIGER/Line
How Caseyville, IL compares to the US
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About this page
City statistics cover the municipal boundary only, not the wider metro area.
Figures come from the 2020 census and the American Community Survey, compared against national averages.