At the time of the 2006 National Census, the village's population was 342 in 89 households, when it was in Doreh Rural District of the Central District.[5] The following census in 2011 counted 404 people in 99 households.[6] The 2016 census measured the population of the village as 397 people in 113 households, by which time the rural district had been separated from the district in the formation of Doreh District. Lanu was transferred to Lanu Rural District created in the new district.[4] It was the most populous village in its rural district.[2]
^Lanu can be found at GEOnet Names Server, at this link, by opening the Advanced Search box, entering "-3072894" in the "Unique Feature Id" form, and clicking on "Search Database".
^ abRahimi, Mohammad Reza (7 October 2016) [Approved 5 April 2013]. Approval letter regarding the national divisions of Sarbisheh County, South Khorasan province. rc.majlis.ir (Report) (in Persian). Ministry of the Interior, Political and Defense Commission. Proposal 29247/42/1/4/1; Letter 158802/T38854H; Notification 83493/T44693K. Archived from the original on 29 September 2017. Retrieved 25 November 2023 – via Islamic Parliament Research Center of the Islamic Republic of Iran.