 According to the census conducted by the Statistics Centre of Dubai , the population of the emirate was 1 @,@ 771 @,@ 000 as of 2009 , which included 1 @,@ 370 @,@ 000 males and 401 @,@ 000 females . The region covers 1 @,@ 287 @.@ 5 square kilometres ( 497 @.@ 1 sq mi ) . The population density is 408 @.@ 18 / km2 – more than eight times that of the entire country . Dubai is the second most expensive city in the region and 20th most expensive city in the world . 
