| Capital: | Lincoln |
|---|---|
| Origen y Formación del condado: | Sangamon County |
| Población: | 30,305 habitantes |
| Área: | 618 sq mi |
| Localización del condado dentro de Illinois: |
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Localidades en Logan, Illinois
- Aetna Township Logan County
- Atlanta
- Atlanta Township Logan County
- Beason
- Broadwell
- Broadwell Township Logan County
- Chestervale
- Chester Township Logan County
- Chestnut
- Cornland
- Corwin Township Logan County
- East Lincoln Township Logan County
- Elkhart
- Elkhart Township Logan County
- Emden
- Eminence Township Logan County
- Hartsburg
- Hurlbut Township Logan County
- Laenna Township Logan County
- Lake Fork
- Latham
- Lincoln
- Middletown
- Mount Pulaski
- Mount Pulaski Township Logan County
- New Holland
- Oran Township Logan County
- Orvil Township Logan County
- Prairie Creek Township Logan County
- Sheridan Township Logan County
- West Lincoln Township Logan County