As per the records Birnagar was an island in the Hoogly river that changed its course away of the then ULA around 1707 A.D. Before British colonization, Birnagar was called Ula or Ulo. The "Ula" name is still present in the names of some local institutions, such as the library and hospital. It is mentioned in the short story "Post Master" by Rabindranath Tagore. Birnagar Municipality is around 150 years old. Its first chairman was Kabi Nabinchandra Sen. It earlier had two zamindars. One part of Birnagar belonged to the Mukherjees, and the other part belonged to the Mustafis.
Demographics
As per the 2011 Indian census, Birnagar has a population of 30,799 of which 15,658 are males while 15,141 are females as per the report released by Census India 2011. In Birnagar, most of the rs are from Schedule Caste. Schedule Caste constitutes 35.40% while Schedule Tribe were 0.65% of total population in Birnagar. The child sex ratio in Birnagar is around 943 compared to the West Bengal state average of 956.
Education
The town boasts a large number of primary and high schools and a reputed college for higher education. ;Higher-secondary schools
Birnagar Kabinabin Chandra Sen Teachers Training Institute
;Other institutions
There are several computer centers and NGOs. Among the NGOs YOURS arranges MDP, ESDP, and IMC programs on various technical skills. There are also several dance and drawing schools.
;Computer training institutes:
BCTI Birnagar, Hat, near Birnagar Municipality Market Complex
Edutech Academy Palitpara Bazar, Birnagar, Nadia
The literacy rate of Birnagar city is 84.60% higher than state average of 76.26%. In Birnagar, male literacy is around 88.26% while the female literacy rate is 80.82%.
Library
Ula Sadharon Pathagar was established in 1922 at Library Para near Shivkali Girl's Higher Secondary School. Any person over 18 years of age can become a member and borrow one book at a time for one month. ;Library statistics
Total books - 12000
Magazines - 13
Rare books - 63
Registered members - 856
Birnagar Municipality
Birnagar municipality is the oldest municipality in Nadia district which is more than 200 years old. The first chairman of Birnagar municipality was the poet Nabinchandra Sen. Birnagar municipality has 14 wards. Birnagar Municipality has total administration over 6,702 houses to which it supplies basic amenities like water and sewerage. It is also authorized to build roads within municipality limits and impose taxes on properties coming under its jurisdiction.