Sidingwa is a Gaupalika(Nepali: गाउपालिका ; gaupalika)(Formerly: village development committee) located in Taplejung District in the Koshi Province of eastern Nepal.

The local body was formed by merging seven VDCs namely limbudin, Kalikhola,Sadewa, Ankhop, Sablakhu, Mehele, Surumkhim.

The population of the rural municipality is 12,099 according to the data collected on 2017 Nepalese local elections.

According to the 2021 Nepal census, the total population of the rural municipality is 10,979 individuals in which 5,531 individuals are male and the remaining 5,448 are female.

[2] In the context of ethnic groups in the rural municipality Limbu people or Yakthung is the biggest ethnic group.