| Capital: | Jefferson |
|---|---|
| Origen y Formación del condado: | Milwaukee County |
| Población: | 83,686 habitantes |
| Área: | 556 sq mi |
| Localización del condado dentro de Wisconsin: |
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Localidades en Jefferson, Wisconsin
- Aztalan
- Cambridge
- Cold Spring
- Concord
- Farmington Jefferson County
- Fort Atkinson
- Hebron
- Hebron Cdp
- Helenville
- Ixonia
- Jefferson Jefferson County
- Jefferson
- Johnson Creek
- Koshkonong
- Lac La Belle
- Lake Koshkonong
- Lake Lac La Belle
- Lake Mills
- Lake Mills Town
- Lake Ripley
- Milford
- Oakland Jefferson County
- Palmyra
- Palmyra Town
- Rome Jefferson County
- Sullivan
- Sullivan Town
- Sumner Jefferson County
- Waterloo Jefferson County
- Waterloo
- Watertown
- Watertown Town
- Whitewater