| City : | St. Elmo City |
| County : | Fayette County |
| State : | Illinois (IL) |
| Land Area : | 0.95 sq mi |
| Water Area : | 0.02 sq mi |
| Latitude : | 39.0235250 |
| Longitude : | -88.8522354 |
| Population (2010): | 1,426 |
| Population Estimate (2012) : | 1,558 |
| Population Density : | 1,495.87/sq mi |
| Housing Units (2012) : | 616 |
| Median Household Income (2012) : | $33,507 (Illinois : $56,853, USA : $53,046) |
| Median Family Income (2012) : | $40,000 (Illinois : $70,144, USA : $64,585) |
| Median House Price (2012) : | $59,200 (Illinois : $190,800, USA : $181,400) |
St. Elmo City Zip Codes
| 62458 (2,228) |