According to the 2011 census North Sikkim district has a population of 43,354, roughly equal to the nation of Liechtenstein. This gives it a ranking of 634th 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 5.66%. North Sikkim has a sex ratio of 769 females for every 1000 males, and a literacy rate of 77.39%.