Shush is a city in the Central District of Shush County, Khuzestan province, Iran, serving as capital of both the county and the district. S…Shush is a city in the Central District of Shush County, Khuzestan province, Iran, serving as capital of both the county and the district. Shush is beside ancient Susa. At the time of the 2006 National Census, the city's population was 53,897 in 10,889 households. The following census in 2011 counted 59,161 people in 14,563 households. The 2016 census measured the population of the city as 77,148 people in 21,649 households.