 As of 2011 it is the 12th most populous district of India (out of 640), and the second most populous district of Gujarat (out of 33) after Ahmadabad.As of 2011, 79.74% of Surat's population is urban and 20.26% of its population is rural.Scheduled tribes are 14.1% of its population and scheduled castes are 2.6% of its population.