A solid-state imaging device comprising: a pixel array including pixels arranged in a plurality of rows and in a plurality of columns; a first column circuit group; a second column circuit group disposed in the same side with respect to the pixel array as that in which the first column circuit group is disposed; a first counter configured to supply a count signal to the first column circuit group; and a second counter configured to supply a count signal to the second column circuit group, wherein the first column circuit group and the second column circuit group are arranged to be separate from each other in a direction along the columns, wherein the first column circuit group and the second column circuit group are configured to process pixel signals for different colors.