[1][2] Prabha Baral and Iman Singh Lama are the first Mayor and Deputy mayor respectively elected by the Local election held in 2017.

[3][4] At the time of the 2011 Nepal census Rapti Municipality had a population of 59,937.

Of these, 61.0% spoke Nepali, 15.4% Chepang, 12.8% Tamang, 6.1% Tharu, 0.9% Gurung, 0.9% Newar, 0.8% Darai, 0.7% Bhojpuri, 0.7% Magar, 0.2% Maithili, 0.1% Danuwar, 0.1% Kham, 0.1% Hindi, 0.1% Rai, and 0.1% other languages as their first language.

[5] In terms of ethnicity/caste, were 22.0% Hill Brahmin, 18.8% Tamang, 17.1% Chepang/Praja, 8.9% Chhetri, 6.1% Tharu, 4.6% Magar, 4.4% Newar, 3.9% Kami, 2.8% Rai, 2.2% Damai/Dholi, 2.1% Gurung, 1.8% Danuwar, 1.1% Sarki, 0.8% Darai, 0.5% Sanyasi/Dasnami, 0.5% Thakuri, 0.3% other Dalit, 0.3% Gharti/Bhujel, 0.3% Musalman, 0.2% Ghale, 0.2% Sunuwar, 0.1% Hajam/Thakur, 0.1% Kalwar, 0.1% Kanu, 0.1% Kathabaniyan, 0.1% Mallaha, 0.1% Teli, 0.1% other Terai and 0.2% others.

[6] In terms of religion, 71.0% were Hindu, 18.0% Buddhist, 7.4% Christian, 3.1% Prakriti, 0.3% Muslim and 0.2% others.