The Udyanaya Grama Niladhari Division has a Sinhalese majority (71.1%) and a significant Moor population (21.2%) . In comparison, the Dehiwala Divisional Secretariat (which contains the Udyanaya Grama Niladhari Division) has a Sinhalese majority (60.5%), a significant Moor population (20.8%) and a significant Sri Lankan Tamil population (14.5%) [2]
The Udyanaya Grama Niladhari Division has a Buddhist majority (67.8%) and a significant Muslim population (22.4%) . In comparison, the Dehiwala Divisional Secretariat (which contains the Udyanaya Grama Niladhari Division) has a Buddhist majority (54.3%), a significant Muslim population (22.6%) and a significant Hindu population (12.1%) [2]