Islampur is a city and a municipality in Uttar Dinajpur district in the Indian state of West Bengal.

[2] A portion of the erstwhile Kishanganj subdivision comprising Goalpokhar, Islampur and Chopra thanas (police stations) and parts of Thakurganj thana, along with the adjacent parts of the erstwhile Gopalpur thana in Katihar subdivision were transferred from Purnea district in Bihar to West Bengal in 1956, and were formally incorporated into Raiganj subdivision in West Dinajpur district.

As per the West Bengal Official Language (Amendment) Act, 2012, which came into force from December 2012, Urdu was given the status of official language in areas, such as subdivisions and blocks, having more than 10% Urdu speaking population.

[9] In Uttar Dinajpur district, Goalpokhar I and II blocks, Islampur block and Islampur municipality were identified as fulfilling the norms set[10] In 2014, Calcutta High Court, in an order, included Dalkhola municipality in the list.

[11] As per the 2011 Census of India, Islampur had a total population of 54,340, of which 28,227 (52%) were males and 26,113 (48%) were females.

Affiliated to the University of North Bengal, it offers honours courses in Bengali, English, Urdu, political science, history, philosophy, geography, mathematics and accountancy, and general courses in arts, science and commerce.