Borough of Berwick-upon-Tweed Borough of Berwick-upon-Tweed Berwick-upon-Tweed was a local government district and borough in Northumberland in the north-east of England, on the border with Scotland. The district had a resident population of 25,949 according to the 2001 census, which also notes that it is the most ethnically homogeneous in the country, with 99.6% of the population recording themselves in the 2001 census as "White". It was also the smallest district in England with borough status, and the third-least densely populated local government district (after Eden and Tynedale). Its main town is Berwick-upon-Tweed, sited immediately to the north of the Tweed estuary. The
Loving County, Texas of 2000. However, as of 2010, this is no longer true. The county had been the least populous county in the United States, with a 2010 census population of only 82 persons (an increase of 22.4% over the 2000 figure of 67 residents), but the 2015 estimate by the US Census Bureau places it as the second least populous county in the US. With an average of only 0.0646 inhabitants/km (0.167/sq mi) as of 2015, the county is also the least densely populated county outside of Alaska. (Lake and Peninsula Borough and North Slope Borough in Alaska are both lower,