Ranking of Illinois Cities and Places By Population Density from Census 2020

According to the data from the US 2020 Census, as at April 2020, among all Illinois cities and places, Berwyn city had the highest population density per square mile (14.66K people per sqr mile), followed by Cicero town (14.54K people per sqr mile), and Stone Park village (13.32K people per sqr mile).

On the other hand, Old Mill Creek village had the lowest population density per square mile (15.18 people per sqr mile), followed by Buffalo Prairie CDP (17.02 people per sqr mile), and Joslin CDP (18.31 people per sqr mile).

The chart below shows the top 10 Illinois cities and places with high population density, and the table below shows the population density of all Illinois cities and places.

You can also see this information for other states, as well as the ranking of all cities and places in the United States.