Tahirpur Upazila (Sunamganj district) with an area of 313.70 sq km, is surrounded by Meghalaya State of India on the north, Jamalganj and Dharmapasha upazilas on the south, Bishwamvarpur on the east and Dharmapasha on the west. 

Noted rivers are Baulai, Patnal, Rakti, Jadukata, Panaigang, Lakhmachhara; Major depressions: Tanguar Haor, Matiar Haor, Pakertala Beel, Baluar Haor, Sangsar Haor.

Tahirpur (Town) consists of one mouza. The area of the town is 4.13 sq km. It has a population of 6879; male 51.20%, female 48.80%; density of population is 1666 per sq km. Literacy rate among the town people is 34.6%. 

Administration Tahirpur thana, now an upazila, was established in 1924. It consists of 7 union parishads, 136 mouzas and 239 villages. 

Archaeological heritage Remnants of the residence of Raja Bijoy Singh (16th century).

Religious institutions Mosque 38, temple 7, church 1, place of pilgrimage 1, tomb 3.Population 133569; male 51.67%, female 48.33%; Muslim 78.22%, Hindu 19.86%, Christian 1.03%, ethnic nationals (Garo and Hajang) 0.89%. 

Literacy and educational institutions Average literacy 17.2%; male 22.5%, female 11.4%. 

Educational institutions: college 2, secondary school (government) 1, secondary school (private) 5, primary school (government) 28, primary school (private) 16, madrasa 8. 

Cultural organisations Rural club 10, public library 1, women's organisation 1, playground 3.

Main occupations Agriculture 45.19%, fishing 2.42%, agricultural labourer 26.10%, wage labourer 6.39%, commerce 7.86%, service 2.67%, others 9.37%.

Land control Among the peasants, 46% are landless, 12% marginal, 26% small, 12% intermediate and 4% rich.

Value of land Market value of first grade arable land is between Tk 2500 and 5000 per 0.01 hectare. 

Main crops Paddy, wheat, jute, mustard seed, sugarcane, peanut, potato, chickpea, yam, chilli. Extinct or nearly extinct crops Tobacco, kaun (Italian millet). 

Main fruits Mango, jackfruit, banana, papaya, lemon. Fisheries, dairies, poultries Fishery 8, dairy 41, poultry 39. Communication facilities Roads: pucca 0.5 km and mud road 89 km. 

Traditional transport Palanquin, bullock cart. These means of transport are extinct or nearly extinct. 

Cottage industries Weaving 200, bamboo work about 340, goldsmith 45, blacksmith 64, potteries 135, welding 2. 

Mineral resources Limestone, peat. 

Hats, bazars and fairs Hats and bazars are 12, fairs 4; Badaghat Bazar, Tahirpur Bazar, Kalijuri Bazar, Anwarpur Bazar, Panatirtha Mela are notable. 

Main exports Paddy, fish, limestone. 

NGO activities Brac, ASA, Gramen Bank.. Health centres Upazila health centre 1, family planning centre 7, satellite clinic 1.