Kahaloo Upazila has a total area of 240.42 square kilometres (92.83 sq mi).

[1] It is bounded on the west by the Nagar River (across which lies Dhupchanchia Upazila).

[4] According to the 2011 Census of Bangladesh, Kahaloo Upazila had 58,261 households and a population of 222,376.

Kahaloo had a literacy rate (age 7 and over) of 52.07%, compared to the national average of 51.8%, and a sex ratio of 1009 females per 1000 males.

[1] Railway stations Panchpir Mazar and Kahaloo are on the branch line connecting Santahar and Kaunia .