At the time of the 2006 National Census, the village's population was 3,360 in 691 households, when it was in the former Rumeshkan-e Sharqi Rural District of the former Rumeshkan District of Kuhdasht County. The following census in 2011 counted 3,837 people in 881 households. The 2016 census measured the population of the village as 3,458 people in 916 households, by which time the district had been separated from the county in the establishment of Rumeshkan County. The rural district was transferred to the new Central District and renamed Rumeshkan Rural District. Rumiani was transferred to Rumiani Rural District created in the new Suri District. It was the most populous village in its rural district.
^Rumiani can be found at GEOnet Names Server, at this link, by opening the Advanced Search box, entering "-3081533" in the "Unique Feature Id" form, and clicking on "Search Database".
^ Rahimi, Mohammad Reza (26 May 2013). "Divisional reforms in Lorestan province". Laws and Regulations Portal of the Islamic Republic of Iran (in Persian). Ministry of Interior, Council of Ministers. Archived from the original on 28 September 2015. Retrieved 21 November 2023.
