| County : | Cass County |
| State : | Illinois (IL) |
| Land Area : | 375.82 sq mi |
| Water Area : | 7.95 sq mi |
| Latitude : | 39.9692024 |
| Longitude : | -90.2457045 |
| Population (2010): | 13,642 |
| Population Estimate (2012) : | 13,570 |
| Population Density : | 36.30/sq mi |
| Housing Units (2012) : | 5,836 |
| Median Household Income (2012) : | $43,180 (Illinois : $56,853, USA : $53,046) |
| Median Family Income (2012) : | $52,958 (Illinois : $70,144, USA : $64,585) |
| Median House Price (2012) : | $76,400 (Illinois : $190,800, USA : $181,400) |
Cass County Cities / Towns
| Arenzville Village (409) | Ashland Village (1,333) | Beardstown City (6,123) |
| Chandlerville Village (553) | Virginia City (1,611) |
Cass County Zip Codes
| 62611 (1,067) | 62612 (1,915) | 62618 (7,955) |
| 62622 (49) | 62627 (992) | 62673 (530) |
| 62691 (2,426) |