At the time of the 2006 National Census, Rahmatabad's population was 3,615 in 737 households, when it was a village in Rigan Rural District of the former Rigan District of Bam County.[5] The following census in 2011 counted 4,731 people in 1,103 households,[6] by which time the district had been separated from the county in the establishment of Rigan County. The rural district was transferred to the new Central District.[7] The 2016 census measured the population of the village as 5,055 people in 1,307 households.[2]
Rahmatabad was elevated to the status of a city in 2019,[8] and in 2023, the city and the rural district were separated from the district in the establishment of Rahmatabad District.[4]
^"INCSGN Search". Iranian National Committee for Standardization of Geographical Names (in Persian). Tehran: National Cartographic Center of Iran. Archived from the original on 2 May 2019.
^ abMokhbar, Mohammad (27 May 2023) [Approved 18 February 1402]. "Approval letter regarding the national divisions of Kerman province". dotic.ir (in Persian). Ministry of the Interior, Council of Ministers. Proposal 65204; Notification 25362/T59007H. Archived from the original on 27 June 2023. Retrieved 4 July 2023 – via Laws and Regulations Portal of Iran.
^Davodi, Parviz (c. 2024) [Approved 29 July 1386]. Approval letter regarding the reforms of national divisions in Kerman province. lamtakam.com (Report) (in Persian). Ministry of the Interior, Political-Defense Commission of the Government Board. Proposal 93023/42/1/4/1; Letter 58538/T26118H; Notification 161407/T38028K. Archived from the original on 1 February 2024. Retrieved 1 February 2024 – via Lam ta Kam.