Jarrow is a town in South Tyneside in the county of Tyne and Wear, England. Historically in County Durham, it is on the south bank of the River Tyne, about three miles from the east coast. It is home to the southern portal of the Tyne Tunnel and five miles east of Newcastle upon Tyne. At the 2021 census the Jarrow built up area as defined by the Office for National Statistics had a population of 29,470.