According to 2023 Pakistani census population of Nasirabad District is 565,315.

[5] For three years, from July 1987 to December 1990, it was known as Tahseel Tamboo.

Tamboo is a small village 40 km west of Dera Murad Jamali.

Hinduism is a minority religion while Christianity has around 1,400 followers in the district.

Languages of Nasirabad district (2023) At the time of the 2023 census, 43.21% of the population spoke Balochi, 22.27% Brahui, 21.16% Sindhi and 12.15% Saraiki as their first language.