| Capital: | Salem |
|---|---|
| Origen y Formación del condado: | Fayette and Jefferson County |
| Población: | 39,437 habitantes |
| Área: | 572 sq mi |
| Localización del condado dentro de Illinois: |
|
Localidades en Marion, Illinois
- Alma
- Carrigan Township Marion County
- Centralia
- Central City
- Foster Township Marion County
- Iuka
- Junction City
- Kell
- Kinmundy
- Meacham Township Marion County
- Odin
- Omega Township Marion County
- Patoka
- Raccoon Township Marion County
- Romine Township Marion County
- Salem
- Sandoval
- Stevenson Township Marion County
- Tonti Township Marion County
- Vernon
- Walnut Hill