According to the 2011 census Diu district has a population of 52,056, roughly equal to the nation of Saint Kitts and Nevis. This gives it a ranking of 631st in India (out of a total of 640). The district has a population density of . Its population growth rate over the decade 2001-2011 was 17.73%. Diu has a sex ratio of 1030 females for every 1000 males, and a literacy rate of 83.36%.