A switch device includes a rockable operating body held in a case, a driving body held within the case and made rockable by the operating body, and a switch element pressed by the driving body. The rockable operating body is held with respect to the case by a first rotating portion apart by a predetermined distance from a position where the operating body is operated. The rockable driving body is held with respect to the case by a second rotating portion apart by predetermined distance from a position where the driving body presses the switch element. A rocking portion that makes the operating body and the driving body rockable relative to each other between the first rotating portion and the second rotating portion is constituted by the operating body and the driving body.