Cass County, Illinois Cities (2025)

17 cities

City
Rank
2025 Pop.
2020 Pop.
Annual Change
Density
Area (mi²)
Type
Beardstown16,4716,711-0.32%25226 Township
Beardstown25,6295,928-1.05%1,5554 City
Virginia31,5951,670-0.5%4536 Township
Virginia41,4221,512-1.25%1,1781 City
Ashland51,2381,288-0.32%6918 Township
Ashland61,1511,216-1.12%1,5391 Village
Bluff Springs7855883-0.23%1558 Township
Lake Petersburg87745470.52%4282 CDP
Arenzville9724754-0.55%2037 Township
Chandlerville10501531-1.18%6311 Village
Chandlerville114444570%1825 Township
Arenzville12342364-1.16%4451 Village
Hagener133253340%748 Township
Sangamon Valley14313325-0.32%840 Township
Panther Creek15293305-0.34%836 Township
Philadelphia16191199-0.52%536 Township
Newmansville1763650%418 Township

Cass County Cities Summary

Largest City

Beardstown is the largest city in Cass County, with a population of 6,471.

Smallest City

Newmansville is the smallest city in Cass County, with a population of 63.

10 Largest Cities

There are 17 cities in Cass County, Illinois.

Location of Cass County