According to the 2011 Bangladesh census, Chhatak Upazila had 66,724 households and a population of 397,642. 115,129 (28.95%) were under 10 years of age. Chhatak had a literacy rate (age 7 and over) of 38.55%, compared to the national average of 51.8%, and a sex ratio of 1009 females per 1000 males. 50,678 (12.74%) lived in urban areas.[2][3]
At the time of the 1991 Bangladesh census, Chhatak had a population of 273,153. Males constituted 51.05% of the population and females 48.95%. The adult (18+) population was 135,445. Chhatak had an average literacy rate of 24.5% (7+ years) compared with the national average of 32.4%.[4] Religious affiliation was: Muslim 83.08%, Hindu 16.75%, Buddhist, Christian and others 0.17%.
Administration
Chhatak Upazila is divided into Chhatak Municipality and 13 union parishads: Bhatgaon, Chhaila Afjalabad, Chhatak, Chormoholla, Dolarbazar, Gobindganj-Syedergaon, Islampur, Jauwa Bazar, Kalaruka, Khurma Dakshin, Khurma Uttar, Noarai, and Singchapair. The union parishads are subdivided into 287 mauzas and 539 villages.[5]
Chhatak Municipality is subdivided into 9 wards and 23 mahallas.[5]