The Welapahala Grama Niladhari Division has a Sinhalese majority (100.0%). In comparison, the Medadumbara Divisional Secretariat (which contains the Welapahala Grama Niladhari Division) has a Sinhalese majority (75.1%) and a significant Indian Tamil population (10.6%)[2]
The Welapahala Grama Niladhari Division has a Buddhist majority (100.0%). In comparison, the Medadumbara Divisional Secretariat (which contains the Welapahala Grama Niladhari Division) has a Buddhist majority (74.8%) and a significant Hindu population (16.2%)[2]