It was renamed to Ishwarganj in honour of boatman Ishwari Patni.

[5] On 16 October 1971, during the Bangladesh Liberation War, six Bengali fighters were killed by Pakistani troops.

According to the 2011 Census of Bangladesh, Ishwarganj Upazila had 81,070 households and a population of 376,348.

Ishwarganj has a literacy rate (age 7 and over) of 41.01%, compared to the national average of 51.8%, and a sex ratio of 1010 females per 1000 males.

[9] Nearby places of interest include the Atharabari Railway Station, Luxmigonj Bazar, Mizebag, Mirzapur, Tarundia, Uchakhila, Boro hit, Sohagi Railway Station and Uchakhila Bazar.

Khalbala Bazar offers locally-made jute products.

Ishwarganj Upazila is divided into Ishwarganj Municipality and 11 union parishads: Atharabari, Barahit, Iswarganj, Jatia, Magtula, Maijbagh, Rajibpur, Sarisha, Sohagi, Tarundia, and Uchakhila.