Mount Pulaski is a city in Logan County, Illinois, United States.

It is the home of the Mount Pulaski Courthouse State Historic Site.

The city is named in honor of Polish Revolutionary War hero Casimir Pulaski.

Mount Pulaski sits atop a glacial ridge dating to the Illinoian period.

[4] According to the 2010 census, Mount Pulaski has a total area of 1.13 square miles (2.93 km2), all land.