The municipality spans 311.79 square kilometres (120.38 sq mi) of area, with a population of 30,495, according to the 2011 Nepal census.

[3][4] The previous Raigaun, Phaparbari and Betini VDCs were merged to form Bagmati Rural Municipality.

Bagmati is divided into 9 wards, with Phaparbari declared the administrative center of the rural municipality.

At the time of the 2011 Nepal census, Bagmati Rural Municipality had a population of 30,587.

[5] In terms of ethnicity/caste, 60.5% were Tamang, 12.4% Magar, 8.3% Rai, 4.7% Majhi, 3.9% Pahari, 3.2% Kami, 2.0% Chhetri, 1.7% Hill Brahmin, 1.6% Newar, 0.7% Damai/Dholi, 0.2% Danuwar, 0.1% Brahmu/Baramo, 0.1% Gharti/Bhujel, 0.1% Sarki and 0.3% others.