Zarach District[a] was separated from the county in the establishment of Zarach County and renamed the Central District.

[4] At the time of the 2006 National Census, the county's population was 515,044 in 138,108 households.

[6] The 2016 census measured the population of the county as 656,474 in 195,134 households.

[2] Yazd County's population history and administrative structure over three consecutive censuses are shown in the following table.

Media related to Yazd County at Wikimedia Commons