According to the
2022 Bangladeshi census, Kaunia Upazila had 63,121 households and a population of 239,689. 9.65% of the population were under 5 years of age. Kaunia had a literacy rate (age 7 and over) of 68.07%: 71.60% for males and 64.78% for females, and a sex ratio of 94.54 males for every 100 females. 77,780 (32.45%) lived in urban areas. According to the
2011 Census of Bangladesh, Kaunia Upazila had 56,263 households and a population of 227,805. 51,862 (22.77%) were under 10 years of age. Kaunia had a literacy rate (age 7 and over) of 41.88%, compared to the national average of 51.8%, and a sex ratio of 1021 females per 1000 males. 61,425 (26.96%) lived in urban areas. As of the
1991 Bangladesh census, Kaunia has a population of 184,997. Males constitute 51.26% of the population, and females 48.74%. This Upazila's eighteen up population is 88,987. 52.5% male and 47.5% female. Kaunia has an average literacy rate of 22.7% (7+ years), and the national average of 32.4% literate. ==Economy==