| County : | Alexander County |
| State : | Illinois (IL) |
| Land Area : | 235.51 sq mi |
| Water Area : | 17.09 sq mi |
| Latitude : | 37.1836828 |
| Longitude : | -89.3495061 |
| Population (2010): | 8,238 |
| Population Estimate (2012) : | 8,147 |
| Population Density : | 34.98/sq mi |
| Housing Units (2012) : | 4,006 |
| Median Household Income (2012) : | $27,248 (Illinois : $56,853, USA : $53,046) |
| Median Family Income (2012) : | $36,190 (Illinois : $70,144, USA : $64,585) |
| Median House Price (2012) : | $58,000 (Illinois : $190,800, USA : $181,400) |
Alexander County Cities / Towns
| Cairo City (2,831) | East Cape Girardeau Village (385) | Mcclure Village (402) |
| Olive Branch (864) | Tamms Village (632) | Thebes Village (436) |
Alexander County Zip Codes
| 62914 (3,147) | 62952 (3,372) | 62957 (996) |
| 62962 (82) | 62969 (731) | 62988 (2,110) |
| 62990 (1,109) | 62992 (1,032) |