According to the
2022 Bangladeshi census, Mithapukur Upazila had 152,544 households and a population of 538,723. 8.74% of the population were under 5 years of age. Mithapukur had a literacy rate (age 7 and over) of 69.33%: 71.92% for males and 66.87% for females, and a sex ratio of 96.09 males for every 100 females. 29,066 (5.40%) lived in urban areas. Ethnic population was 7546 (1.40%) of which Oraon were 5179. According to the
2011 Census of Bangladesh, Mithapukur Upazila had 135,073 households and a population of 508,133. 110,797 (21.80%) were under 10 years of age. Mithapukur had a literacy rate (age 7 and over) of 46.04%, compared to the national average of 51.8%, and a sex ratio of 1014 females per 1000 males. 7,062 (1.39%) lived in urban areas. Ethnic population was 7,893 (1.55%), of which
Oraon were 5,579 and
Santal 1,495. As of the
1991 Bangladesh census, Mithapukur has a population of 409915. Males constitute are 51.09% of the population, and females 48.91%. This upazila's eighteen up population is 207,035. Mithapukur has an average literacy rate of 23% (7+ years), and the national average of 32.4% literate. Mithapukur Upazila has a very diverse population with minority groups including Buddhists, Christians and tribes such as
Santhal who have lived in the district from the beginning of settlement in this area. ==Economy==