The Poruwadanda West Grama Niladhari Division has a Sinhalese majority (70.6%) and a significant Indian Tamil population (21.6%) . In comparison, the Ingiriya Divisional Secretariat (which contains the Poruwadanda West Grama Niladhari Division) has a Sinhalese majority (89.8%)[2]
The Poruwadanda West Grama Niladhari Division has a Buddhist majority (70.4%) and a significant Hindu population (23.4%) . In comparison, the Ingiriya Divisional Secretariat (which contains the Poruwadanda West Grama Niladhari Division) has a Buddhist majority (89.4%)[2]