| Capital: | Effingham |
|---|---|
| Origen y Formación del condado: | Fayette and Crawford County |
| Población: | 34,242 habitantes |
| Área: | 479 sq mi |
| Localización del condado dentro de Illinois: |
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Localidades en Effingham, Illinois
- Altamont
- Beecher City
- Dieterich
- Douglas Township Effingham County
- Edgewood
- Effingham
- Liberty Township Effingham County
- Lucas Township Effingham County
- Mason
- Moccasin Township Effingham County
- Montrose
- Mound Township Effingham County
- Shumway
- Summit Township Effingham County
- Teutopolis
- Union Township Effingham County
- Watson
- West Township Effingham County