| Capital: | Freeport |
|---|---|
| Origen y Formación del condado: | Jo Daviess and Winnebago County |
| Población: | 47,711 habitantes |
| Área: | 564 sq mi |
| Localización del condado dentro de Illinois: |
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Localidades en Stephenson, Illinois
- Buckeye Township Stephenson County
- Cedarville
- Dakota
- Dakota Township Stephenson County
- Davis
- Eleroy
- Erin Township Stephenson County
- Florence Township Stephenson County
- Freeport
- Freeport Township Stephenson County
- German Valley
- Harlem Township Stephenson County
- Jefferson Township Stephenson County
- Kent Township Stephenson County
- Lake Summerset
- Lancaster Township Stephenson County
- Lena
- Loran Township Stephenson County
- Mc Connell
- Oneco Township Stephenson County
- Orangeville
- Pearl City
- Ridott
- Ridott Township Stephenson County
- Rock City
- Rock Grove Township Stephenson County
- Rock Run Township Stephenson County
- Scioto Mills
- Silver Creek Township Stephenson County
- Waddams Township Stephenson County
- West Point Township Stephenson County
- Winslow
- Winslow Township Stephenson County