At the 1991 Bangladesh census, Kotwali Thana had a population of 191,910, of whom 111,725 were aged 18 or older. Males constituted 54.87% of the population, and females 45.13%.
The 1991 Bangladesh census reported that Kotwali Thana had a population of 191,910 residents, with 111,725 being adults aged 18 and above. The male-to-female ratio stood at approximately 54.87% males to 45.13% females.