According to the
2022 Bangladeshi census, Manohardi Upazila had 75,940 households and a population of 298,609. 9.14% of the population were under 5 years of age. Manohardi had a literacy rate (age 7 and over) of 75.30%: 76.46% for males and 74.30% for females, and a sex ratio of 88.09 males for every 100 females. 38,798 (12.99%) lived in urban areas. According to the
2011 Census of Bangladesh, Monohardi Upazila had 63,385 households and a population of 275,112. 65,173 (23.69%) were under 10 years of age. Monohardi had a literacy rate (age 7 and over) of 49.94%, compared to the national average of 51.8%, and a sex ratio of 1095 females per 1000 males. 21,422 (7.79%) lived in urban areas. As of the
1991 Bangladesh census, Males constitute 50.39% of the population, and females 49.61%. This Upazila's eighteen up population is 122359. Monohardi has an average literacy rate of 27.3% (7+ years), and the national average of 32.4% literate. According to Banglapedia, there are 1 municipality, 11 unions and 170 villages in this Upazila. ==Administration==