Bonnyrigg is a town in Midlothian, Scotland, which is eight miles southeast of Edinburgh city centre, between the Rivers North and South Esk. The town had a population of 14,663 in the 2001 census which rose to 15,677 in the 2011 census, both figures based on the 2010 definition of the locality which, as well as Bonnyrigg and the adjacent settlement of Lasswade, includes Polton village, Poltonhall housing estate and modern development at Hopefield.