| Capital: | Oquawka |
|---|---|
| Origen y Formación del condado: | Warren County |
| Población: | 7,331 habitantes |
| Área: | 379 sq mi |
| Localización del condado dentro de Illinois: |
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Localidades en Henderson, Illinois
- Bald Bluff Township Henderson County
- Biggsville
- Biggsville Township Henderson County
- Carman Township Henderson County
- Dallas City
- Gladstone
- Gladstone Township Henderson County
- Gulf Port
- Lomax
- Lomax Township Henderson County
- Media
- Media Township Henderson County
- Oquawka
- Oquawka Township Henderson County
- Raritan
- Raritan Township Henderson County
- Rozetta Township Henderson County
- Stronghurst
- Stronghurst Township Henderson County
- Terre Haute Township Henderson County