As of the 2011 Census of Bangladesh, Kushtia Sadar upazila had 120,087 households and a population of 502,255.

Kushtia Sadar had a literacy rate of 53.9%, compared to the national average of 51.8%, and a sex ratio of 981 females per 1000 males.

[8] 7th National Debate Federation program (NDF) was held in Kushtia Medical College in 2019.

Kushtia Sadar Upazila is divided into Kushtia Municipality and 14 union parishads: Abdulpur, Ailchara, Alampur, Barakhada, Battail, Gosind Durgapur, Harinarayanpur, Hatas Haripur, Jiarakhi, Jhaudia, Mazampur, Monohardia, Patikabari, and Uzangram.

[5] Numerous Bengali daily and weekly newspapers are published from Kushtia.