| Capital: | Lacon |
|---|---|
| Origen y Formación del condado: | Putnam County |
| Población: | 12,640 habitantes |
| Área: | 386 sq mi |
| Localización del condado dentro de Illinois: |
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Localidades en Marshall, Illinois
- Bell Plain Township Marshall County
- Bennington Township Marshall County
- Camp Grove
- Evans Township Marshall County
- Henry
- Henry Township Marshall County
- Hopewell
- Hopewell Township Marshall County
- Lacon
- Lacon Township Marshall County
- La Prairie Township Marshall County
- La Rose
- Richland Township Marshall County
- Roberts Township Marshall County
- Saratoga Township Marshall County
- Sparland
- Steuben Township Marshall County
- Toluca
- Varna
- Washburn
- Wenona
- Whitefield Township Marshall County