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
Trinity River (California) Less than 2 percent of the watershed is urbanized. About 86 percent of the Trinity River watershed is in Trinity County. As of the 2010 census, the population of Trinity County was 13,786. With a population density of 4.3 people per square mile (1.7/km) it is one of the least densely populated counties in California. Only , or about 14 percent of the western part of the basin, is in Humboldt County. The part of the Trinity River watershed in Humboldt County is also sparsely populated, with the exception of the Hoopa Valley Reservation, which was home to 2,930 people