At the time of the 2006 National Census, the county's population was 86,747 in 17,364 households.[5] The following census in 2011 counted 104,421 people in 24,506 households.[6] The 2016 census measured the population of the county as 105,992 in 27,428 households.[2]
Administrative divisions
Rudbar-e Jonubi County's population history and administrative structure over three consecutive censuses are shown in the following table.