According to the 2011 Census of Bangladesh, Narsingdi Sadar Upazila had 149,820 households and a population of 707,525.

Narsingdi Sadar had a literacy rate (age 7 and over) of 50.87%, compared to the national average of 51.8%, and a sex ratio of 945 females per 1000 males.

[8] Narsingdi Sadar Upazila is divided into two municipalities and 14 union parishads.

The municipalities are: Madhabdi Municipality, Narsingdi Municipality; and the union parishads are: Alokbali, Amdia, Char Dighaldi, Chinishpur, Hajipur, Karimpur, Khathalia, Mahishasura, Meherpara, Nazarpur, Nuralapur, Paikarchar, Panchdona, and Silmandi.

The Baburhat market of Madhabdi Pourashava (municipal corporation) is one of the most famous trade centers in Bangladesh for various kind of cloths.