Pirgacha is located at 25°34′50″N89°24′00″E / 25.5806°N 89.4000°E / 25.5806; 89.4000. It has 82,623 households and total area 266.85 km2. Tambulpur is one of the famous unions which is situated on the bank of River Burail. Pirgacha upazila is situated at the south-east corner of Rangpur town. Tambulpur is the largest union of Pirgacha Upazila. It is about 12 kilometers east–west and about 6 kilometers north–south. And Rahmatchar is the largest village under this union. It is situated at the very east side at River Teesta which is the meeting points of Rangpur, Kurigram and Gaibandha Districts.
According to the 2011 Census of Bangladesh, Pirgachha Upazila had 82,623 households and a population of 313,319. 68,918 (22.00%) were under 10 years of age. Pirgachha had a literacy rate (age 7 and over) of 44.61%, compared to the national average of 51.8%, and a sex ratio of 1041 females per 1000 males. 13,037 (4.16%) lived in urban areas.[5][6]
As of the 1991 Bangladesh census, Pirgachha has a population of 256,573. Males constitute 50.59% of the population, and females 49.41%. This Upazila's eighteen up population is 125484. Pirgachha has an average literacy rate of 21.5% (7+ years), and the national average of 32.4% literate.[7]
Pirgacha Upazila is divided into nine union parishad: Anandanagar, Chhaola, Itakumari, Kaikuri, Kalyani, Kandi, Parul, Pirgacha, and Tambulpur. The union parishads are subdivided into 170 mauzas and 170 villages.[5]
Devi Chowdhurani Degree College (Chowdhurani, Pirgacha)
Tambulpur College ( Tambulpur, Pirgacha )
Paotanahat College (Paotanahat, Pirgacha)
Satdargah College (Satdargah, Pirgacha)
Annadanagar College (Annandanagar, Pirgacha)
Deuty High School & College
Two or three high schools and four Dakhil madrasha. Rahmatchar is one of the famous villages of this union. There are two primary schools and two madrasha in Rahmatchar. Dewanbari is the most famous in Rahmatchar even in the union.
^"Bangladesh Postal Code". Dhaka: Bangladesh Postal Department under the Department of Posts and Telecommunications of the Ministry of Posts, Telecommunications and Information Technology of the People's Republic of Bangladesh. 21 October 2024.