It is best known as the home upazila of Syed Nazrul Islam, once an acting President of Bangladesh.

According to the 2011 Census of Bangladesh, Kishoreganj Sadar Upazila had 89,863 households and a population of 414,208.

Kishoreganj Sadar had a literacy rate (age 7 and over) of 48.94%, compared to the national average of 51.8%, and a sex ratio of 1020 females per 1000 males.

Kishoreganj Sadar had an average literacy rate of 28.3% (7+ years).

[7] Kishoreganj Upazila is divided into Kishoreganj Municipality and 11 union parishads: Baulai, Binnati, Chauddasata, Danapatali, Jasodal, Korsha Kariail, Latibabad, Mahinanda, Maijkhapan, Maria, and Rashidabad.