After the 2006 National Census, Qarah Kahriz and Kuhsar Rural Districts were separated from the Central District in the establishment of Qarah Kahriz District. After the 2011 census, the village of Hafteh and Bazneh was elevated to city status as Shahbaz.
Demographics
Population
At the time of the 2006 census, the district's population was 19,120 in 5,743 households. The 2016 census measured the population of the district as 18,119 inhabitants in 5,936 households.
^Aref, Mohammad Reza (c. 2024) [Approved 3 January 1381]. Divisional changes in Markazi and Kermanshah provinces. lamtakam.com (Report) (in Persian). Ministry of the Interior, Political-Defense Commission of the Government Board. Proposal 1.4.42.122173; Letter 58538/T26118; Notification 5189/T26220K. Archived from the original on 18 January 2024. Retrieved 18 January 2024 – via Lam ta Kam.
^ Establishment of Kazzaz Rural District and Qarah Kahriz District under the jurisdiction of Shazand County. qavanin.ir (Report) (in Persian). Ministry of the Interior, Political Defense Commission of the Government Board. c. 2010 [Approved 25 January 1389] – via qavanin.ir/Law/TreeText/?IDS=12001943493631282973 (Laws and Regulations Portal of the Islamic Republic of Iran). 1- Kazzaz Rural District is annexed to the center of Qadamgah village...under the jurisdiction of the Central District of Shazand County... 2- Qarah Kahriz District shall be established with the village of Bazneh as its center, including the rural districts of Kuhsar and Qarah Kahriz under the jurisdiction of Shazand County in Markazi province...
^ Rahimi, Mohammad Reza (c. 2023) [Approved 4 May 1391]. "Carrying out national divisions in Markazi province". qavanin.ir (in Persian). Ministry of the Interior, Political and Defense Commission. Proposals 125387/42/1/4 and 66009/42/1; Letter 158802/T38854H. Archived from the original on 1 September 2023. Retrieved 1 September 2023 – via Laws and Regulations Portal of the Islamic Republic of Iran.
