Demography of Cumbria is bordered with Scotland to the north, the Irish Sea to the west, Northumberland to the north-east, County Durham to the east and North Yorkshire to the south-east. Carlisle is the largest and only city in the county, whilst Barrow-in-Furness (the largest town) is twice as large as the second largest town (Kendal). The twenty most populous settlements in Cumbria are listed below. Cumbria as a whole is the second least densely populated county in England with only 73 people per square kilometre. Despite it being the third largest in area (6,768 km²), about a third of the county is
County (United States) Atoll, Kingman Reef, and Navassa Island. The remaining 3 islands in the U.S. Minor Outlying Islands have small non-permanent human populations. The least populous county-equivalent with a permanent human population is Swains Island, American Samoa (17 residents). The most densely populated county or county-equivalent is New York County, New York (coextensive with the New York City Borough of Manhattan), with 72,033 persons per square mile (27,812/km) in 2015. The Yukon-Koyukuk Census Area, Alaska, is both the most extensive and the least densely populated county or county-equivalent with 0.0380 persons per square mile (0.0147/km) in 2015. In the 50 states (plus