A coil component according to one aspect of the present invention includes: a magnetic base body containing a plurality of metal magnetic particles and a binder binding the plurality of metal magnetic particles together; and a coil conductor provided in the magnetic base body and including a winding portion wound around a coil axis, wherein as viewed from a direction of the coil axis, the magnetic base body includes a core region enclosed by the winding portion, and a ratio of an area of the core region to a sum of an area of the winding portion and the area of the core region is 32% or larger.