Which is the least densely populated county in the UK?
Herefordshire I believe
Being primarily rural with significant areas of upland, the population density of Northumberland is only 62 persons per square kilometer giving it the lowest population density in England.
In the UK it would be the part of Scotland north of Inverness know as Sutherland. Very few people per Sq Km but then most Sq Km are mountains or moors.
The area also has pretty poor transport links road wise although there is a rail link to Wick on the North Tip of mainline Scotland and Ullapool on the North West Coast.
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