An imaging device is configured to include an optical system which captures an image of a subject, an image sensor which converts the image captured by the optical system into an electric signal, a classifying unit which classifies the captured image into a plurality of areas according to brightness information and color information, a white balance correcting unit which set different white balance correction coefficients for the plurality of areas; and a white balance correction coefficient adjusting unit which adjusts a difference in the white balance correction coefficients for the plurality of areas to be within a first predetermined range.