As per 1991 Bangladesh census, Gulshan had a population of 281,337.

As of the 1991 Bangladesh census, Mithamain's population is 108,204.

Goalandaghat had a population of 91,675 in the 1991 Bangladesh census.

As of the 1991 Bangladesh census, Manda has a population of 330995.

By the 2011 Bangladesh census, the upazila's population had grown to 742,898.

At the 1991 Bangladesh census Naria had a population of 214,944.

At the 1991 Bangladesh census, Dhamrai had a population of 312,777.

At the 1991 Bangladesh census, Ranisankail had a population of 156107.

As of the 1991 Bangladesh census, Bandar has a population of 212572.

A the 1991 Bangladesh census, Chhatak had a population of 273,153.