Cass County, Illinois Cities (2024)

Note: As defined by the US Census Bureau, a city's official boundaries often extend miles beyond the city itself and may even cross county lines. As such, several thousand US cities officially exist in two or more counties (and therefore appear on multiple counties' lists of cities.)

City
Rank
2024 Pop.
2020 Pop.
Change
Density (/mi²)
Area (mi²)
Type
Beardstown15,6895,928-1.04%1,5723.6City
Virginia21,4401,512-1.23%1,1931.2City
Ashland31,1641,216-1.1%1,5560.7Village
Lake Petersburg47705470.39%4261.8CDP
Chandlerville5507531-1.17%6390.8Village
Arenzville6346364-1.43%4510.8Village

Note: City markers shown outside the county boundary mean that a part of the city extends into this county, but is primarily located in an adjacent county.

What is the largest city in Cass County, Illinois?

Beardstown is the largest city in Cass County.

What is the smallest city in Cass County, Illinois?

Arenzville is the smallest city in Cass County.

How many cities are in Cass County?

There are 6 cities in Cass County, Illinois.

Frequently Asked Questions