A switch device comprising: a non-conductive operating portion provided with a plurality of operating areas (13, 14, 15); an electrode sheet that is provided to be spaced from the operating portion and has a plurality of electrodes (22 to 24) arranged to face the respective operating areas (13, 14, 15) in a one-on-one relationship; and a detecting unit that detects operations of the plurality of operating areas (13, 14, 15), an inner part of the operating portion being displaceable in the facing direction of the operating areas (13, 14, 15) and the electrodes (22 to 24), the detecting unit being configured to determine an operated operating area (13, 14, 15) and by which any form of a touch operation and a push operation the operated operating area is operated, based upon a position of the electrode (22 to 24) a capacitance of which has changed and a changing amount in capacitance of the electrode (22 to 24) the capacitance of which has changed, the detecting unit being configured to determine that an operating area (13, 14, 15) that the electrode (22 to 24) in which the changing amount in capacitance is the largest is arranged to face among the plurality of electrodes (22 to 24) that change in capacitance is the operated operating area (13, 14, 15), and the detecting unit being configured to determine that, when the changed capacitance in the electrode (22 to 24) in which the change in capacitance is the largest is equal to or more than a predetermined first threshold and is less than a second threshold larger than the first threshold, the operation form of the operated operating area (13, 14, 15) is the touch operation, and when the changed capacitance is equal to or more than the second threshold, the operation form of the operated operating area is the push operation, characterized in that the plurality of operating areas (13, 14, 15) are provided inside an outer edge part of the operating portion and an inner part of the operating portion provided with the plurality of operating areas (13, 14, 15) and positioned inward of the outer edge part is displaceable in the facing direction of the operating areas (13, 14, 15) and the electrodes (22 to 24), each of the electrodes (22 to 24) includes a plurality of detection electrodes (221 to 225, 231 to 233, 241 to 244), and the detecting unit is configured to determine that, when the changed capacitance in the detection electrode (221 to 225, 231 to 233, 241 to 244) in which the change in capacitance is the largest is equal to or more than the second threshold and when a capacitance in each of the other detection electrodes (221 to 225, 231 to 233, 241 to 244) adjacent to the detection electrode (221 to 225, 231 to 233, 241 to 244) in which the change in capacitance is the largest also changes, the operation form of the operated operating area is the push operation. a non-conductive operating portion provided with a plurality of operating areas (13, 14, 15); an electrode sheet that is provided to be spaced from the operating portion and has a plurality of electrodes (22 to 24) arranged to face the respective operating areas (13, 14, 15) in a one-on-one relationship; and a detecting unit that detects operations of the plurality of operating areas (13, 14, 15), an inner part of the operating portion being displaceable in the facing direction of the operating areas (13, 14, 15) and the electrodes (22 to 24), the detecting unit being configured to determine an operated operating area (13, 14, 15) and by which any form of a touch operation and a push operation the operated operating area is operated, based upon a position of the electrode (22 to 24) a capacitance of which has changed and a changing amount in capacitance of the electrode (22 to 24) the capacitance of which has changed, the detecting unit being configured to determine that an operating area (13, 14, 15) that the electrode (22 to 24) in which the changing amount in capacitance is the largest is arranged to face among the plurality of electrodes (22 to 24) that change in capacitance is the operated operating area (13, 14, 15), and the detecting unit being configured to determine that, when the changed capacitance in the electrode (22 to 24) in which the change in capacitance is the largest is equal to or more than a predetermined first threshold and is less than a second threshold larger than the first threshold, the operation form of the operated operating area (13, 14, 15) is the touch operation, and when the changed capacitance is equal to or more than the second threshold, the operation form of the operated operating area is the push operation, characterized in that the plurality of operating areas (13, 14, 15) are provided inside an outer edge part of the operating portion and an inner part of the operating portion provided with the plurality of operating areas (13, 14, 15) and positioned inward of the outer edge part is displaceable in the facing direction of the operating areas (13, 14, 15) and the electrodes (22 to 24), each of the electrodes (22 to 24) includes a plurality of detection electrodes (221 to 225, 231 to 233, 241 to 244), and the detecting unit is configured to determine that, when the changed capacitance in the detection electrode (221 to 225, 231 to 233, 241 to 244) in which the change in capacitance is the largest is equal to or more than the second threshold and when a capacitance in each of the other detection electrodes (221 to 225, 231 to 233, 241 to 244) adjacent to the detection electrode (221 to 225, 231 to 233, 241 to 244) in which the change in capacitance is the largest also changes, the operation form of the operated operating area is the push operation.