[4] According to the 2011 Census of Bangladesh, Jamalpur Sadar Upazila had 152,174 households and a population of 615,072.

Jamalpur Sadar has a literacy rate (age 7 and over) of 47.0%, compared to the national average of 51.8%, and a sex ratio of 1037 females per 1000 males.

[6][7] Par the 2001 Bangladesh census, Jamalpur sadar upazila had a population of 568726; males constituted 290159, females 278567; Muslim 556986, Hindu 10807, Buddhist 299, Christian 36 and others 598.

[8] Jamalpur Sadar Upazila is divided into Jamalpur Municipality and 15 union parishads: Banshchara, Digpaith, Ghoradhap, Itail, Kendua, Lakshmir Char, Meshta, Narundi, Ranagachha, Rashidpur, Sahabajpur, Sharifpur, Sreepur, Titpalla, and Tulsir Char.

[9] Upazila Nirbahi Officer (UNO): Mohammad Abdul Salam