According to the 2011 Census of Bangladesh, Pabna Sadar Upazila had 138,839 households and a population of 590,914.

Pabna Sadar had a literacy rate (age 7 and over) of 51.43%, compared to the national average of 51.8%, and a sex ratio of 990 females per 1000 males.

[6][7] As of the 1991 Bangladesh census, Pabna Sadar had a population of 431,513.

[8] Pabna Sadar Upazila is divided into Pabna town and ten union parishads: The union parishads are subdivided into 259 mauzas and 291 villages.

[9] Pabna Municipality is subdivided into 15 wards and 46 mahallas.