According to the 2012national census the population of Biharamulo town - 'Biharamulo Mjini' ward - is 24,573.
Politics
Biharamulo has a unique political trend whereby it is difficult for a member of Parliament to save to natural retirement. Previously Biharamulo included Chato division before Chato was upgraded to a district. Members of Parliament for Biharamulo include Chief Stanslaus Rugaba Kasusura ; Phares Kashemeza Kabuye ; Anatory Kasazi Choya ; Oscar Rwegasira Mukasa ; Anthony Gervas Mbasa ; Ezra John Chilewesa