Covering their bodies from head to toe with whatever they can manage, homeless people sleep out in the open in the shivering cold near the Government Alia Madrasa in Sylhet citys Chowhatta area. According to the population census in 2011 by the Bangladesh Bureau of Statistics (BBS), the Sylhet population was 479,837. The present population growth rate in Sylhet town is 2.5% per year. Considering 10% floating population comes to the city every day, the present (2020) population is estimated to be around 659,176. Sylhet, Bangladesh.