Cass County ZIP Codes

List of ZIP Codes in Cass County

The following table lists ZIP Codes associated with Cass County, Illinois, based on ZIP Code Tabulation Area (ZCTA) data from the U.S. Census Bureau.


S.N. Zip Code Latitude Longitude City Population Density
1 62611 39.88493 -90.39984 Arenzville 1,052 5.6
2 62612 39.89864 -90.0683 Ashland 1,490 6.2
3 62618 40.00534 -90.39542 Beardstown 7,391 28.3
4 62622 39.97786 -90.34302 Bluff Springs 86 9.3
5 62627 40.05425 -90.12887 Chandlerville 958 4.4
6 62691 39.95731 -90.22246 Virginia 2,377 9.0


About Cass County ZIP Codes

Cass County in Illinois (IL) is served by approximately 6 ZIP Codes. These codes cover residential neighborhoods, business districts, and rural areas that fall under the county's jurisdiction.

Based on ZIP-level population estimates, the total population covered by these ZIP Codes is around 13,354 people. Population and density values vary from one ZIP Code to another, reflecting the mix of dense urban communities and lower-density suburban or rural zones.

Many of the most significant population centers in Cass County are located in cities such as Beardstown, Virginia, Ashland, Arenzville, Chandlerville. These cities and towns help define the economic and demographic character of the county.

Most ZIP Codes in Cass County, Illinois follow the America/Chicago time zone.