Northumberland 1542 and Hexhamshire in 1572. Islandshire, Bedlingtonshire and Norhamshire were incorporated into Northumberland in 1844. Tynemouth and other settlements in North Tyneside were transferred to Tyne and Wear in 1974 under the Local Government Act 1972. Lying on the Anglo-Scottish border, Northumberland has been the site of a number of battles. The county is noted for its undeveloped landscape of high moorland, now largely protected as the Northumberland National Park. Northumberland is the least densely populated county in England, with only 62 people per square kilometre. Northumberland originally meant 'the land of the people living north of the River Humber'.
Hudson County, New Jersey densities in the United States the Hudson communities have remain fragmented, due in part to New Jersey's long history of home rule in local government; geographical factors such as Hudson River inlets/canals, the cliffs of the New Jersey Palisades and rail lines; and ethnic/demographic differences in the population. As the county sees more development this traditional perception is challenged. Hudson County is the most densely populated county in New Jersey and one of the most densely populated counties in the United States, at 14,974 residents per square mile (5,781/km²). The only city in Hudson County among the 100 most populous