|— Upazila —|
[[Image:|250px|Chatmohar is located in ]]
|- Total|| dunams (314.32 km2 /
Expression error: Syntax error in line: 1 - Operator: * is no prefix operator. *0.000386102 round 1 ^sq mi)
|- Urban density|
|- Rural density|
|- Metro density|
|Time zone||BST (UTC+6)|
|Website||Official Map of Chatmohar|
Chatmohar is located at . It has 39489 units of house hold and total area 314.32 km².
As of the 1991 Bangladesh census, Chatmohar has a population of 227524. Males constitute are 50.63% of the population, and females 49.37%. This Upazila's eighteen up population is 109774. Chatmohar has an average literacy rate of 24.1% (7+ years), and the national average of 32.4% literate.
Chatmohar has 10 Unions/Wards, 170 Mauzas/Mahallas, and 234 villages.
It has one Upazila Chairman, one Upazila Vice Chairman and one Upazila Female Vice Chairman. They are assisted by Upazila Nirbahi (executive) Officer (UNO).
Pramatha Chaudhuri, eminent writer
Ranadeb Chaudhuri, eminent lawyer