Provided is a coil component including a coil portion that has at least one layer of ring-shaped planar coil portion including a coil-wound portion and an insulative resin layer which covers the periphery of the coil-wound portion within the same layer as the coil-wound portion, and an insulative resin layer overlapping the planar coil portion; and a covering portion that covers the coil portion. The insulative resin layer has a superimposing region overlapping a forming region of the planar coil portion and a protrusion region protruding from at least any one of an inner peripheral edge and an outer peripheral edge of the superimposing region, when viewed in the direction of overlapping the planar coil portion.