According to Ministry of Federal Affairs and Local Development Sangurigadhi has an area of 166.44 square kilometres (64.26 sq mi) and the total population of the municipality is 21536 as of Census of Nepal 2011.

[1][2] To form this new Rural Municipality Budi Morang, Khuwaphok, Phaksib, Danda Bazar, Bhedetar, Mahabharat and Ahale were merged, which previously were all separate Village development committee (local level administrative villages).

The Gaunpalika is divided into 10 wards and the Bhedetar is the headquarters of this newly formed rural municipality.

Of these, 31.0% spoke Bantawa, 28.0% Limbu, 12.2% Nepali, 7.8% Magar, 6.7% Yakkha, 5.4% Rai, 2.9% Tamang, 1.6% Yamphu, 1.0% Chintang, 0.8% Lohorung, 0.5% Maithili, 0.5% Newar, 0.2% Chamling, 0.1% Bote, 0.1% Gurung, 0.1% Tharu, 0.1% Wambule and 0.7% other languages as their first language.

[4] In terms of ethnicity/caste, 39.5% were Rai, 29.2% Limbu, 8.0% Magar, 6.7% Yakkha, 3.4% Chhetri, 3.1% Tamang, 2.2% Kami, 1.6% Yamphu, 1.4% Hill Brahmin, 1.2% Sarki, 0.8% Damai/Dholi, 0.6% Newar, 0.5% Majhi, 0.2% Gharti/Bhujel, 0.2% Gurung, 0.2% Tharu, 0.1% Bantawa, 0.1% Bengali, 0.1% Bote, 0.1% Kathabaniyan, 0.1% Teli, 0.1% Yadav and 0.8% others.