Pemberton is an area of Wigan, and an electoral ward of the Metropolitan Borough of Wigan, in Greater Manchester, England.It lies on the southwestern bank of the River Douglas,[3] contiguous to Wigan's town centre, and east of the M6 motorway. The area today serves as a predominantly residential suburb, and as a ward has a population of 13,638.Historically a part of Lancashire, Pemberton was formerly a township and parish in the hundred of West Derby.