The Kollupitiya Grama Niladhari Division has a Sinhalese majority (50.9%), a significant Sri Lankan Tamil population (23.2%) and a significant Moor population (16.0%). In comparison, the Thimbirigasyaya Divisional Secretariat (which contains the Kollupitiya Grama Niladhari Division) has a Sinhalese majority (52.8%), a significant Sri Lankan Tamil population (28.0%) and a significant Moor population (15.1%)[2]
The Kollupitiya Grama Niladhari Division has a Buddhist plurality (44.0%), a significant Muslim population (22.0%), a significant Hindu population (12.8%) and a significant Roman Catholic population (10.4%). In comparison, the Thimbirigasyaya Divisional Secretariat (which contains the Kollupitiya Grama Niladhari Division) has a Buddhist plurality (47.9%), a significant Hindu population (22.5%) and a significant Muslim population (17.4%)[2]