The Raggahawatta Grama Niladhari Division has a Sinhalese majority (95.8%). In comparison, the Kaduwela Divisional Secretariat (which contains the Raggahawatta Grama Niladhari Division) has a Sinhalese majority (95.6%)[2]
The Raggahawatta Grama Niladhari Division has a Buddhist majority (81.0%) and a significant Roman Catholic population (14.9%). In comparison, the Kaduwela Divisional Secretariat (which contains the Raggahawatta Grama Niladhari Division) has a Buddhist majority (90.4%)[2]