Jantarkhani is a former village development committee present ward number 6 siddhicharan urban municipality in Okhaldhunga District in the Sagarmatha Zone of mid-eastern Nepal. At the time of the 2078 Nepal census it had a population of 2022 living in 450 individual households. At the time of the 2078 Nepal census, Jantarkhani had a population of 2300, Ethnicity/caste: Bishwokarma, Sherpa, Newar, Magar.