An imaging device includes: a container including a bottom plate and a side wall provided on an outer circumferential portion of the bottom plate; a step portion which is formed in a top outer circumferential portion of the side wall and includes: a horizontal surface that is located at a lower position than a top surface of the side wall; and a side surface that connects the top surface of the side wall to the horizontal surface; an imaging element mounted on the bottom plate; a glass lid which is bonded to the top surface of the side wall with a first adhesive layer; and a cover frame which is disposed on the step portion and bonded to the side surface of the step portion and an outer circumferential surface of the glass lid with a second adhesive layer.