| Dematagoda | |
| Settlement Type: | Grama Niladhari Division |
| Iso Code: | LK-1127030 |
| Coordinates: | 6.9354°N 79.8814°W |
| Area Total Km2: | 0.83 |
| Elevation M: | 6 |
| Elevation Footnotes: | [1] |
| Population Total: | 18602 |
| Population Density Km2: | 22412 |
| Population As Of: | 2012 |
| Population Footnotes: | [2] |
| Subdivision Type: | Country |
| Subdivision Name: | Sri Lanka |
| Subdivision Type1: | Province |
| Subdivision Name1: | Western Province |
| Subdivision Type2: | District |
| Subdivision Name2: | Colombo District |
| Subdivision Type3: | Divisional Secretariat |
| Subdivision Name3: | Thimbirigasyaya Divisional Secretariat |
| Subdivision Type4: | Electoral District |
| Subdivision Name4: | Colombo Electoral District |
| Subdivision Type5: | Polling Division |
| Subdivision Name5: | Borella Polling Division |
Dematagoda Grama Niladhari Division is a Grama Niladhari Division of the Thimbirigasyaya Divisional Secretariat of Colombo District of Western Province, Sri Lanka.
Dematagoda and Veluwana College are located within, nearby or associated with Dematagoda.
Dematagoda is a surrounded by the Maligawatta East, Grandpass South, Gajabapura, Meethotamulla, Orugodawatta and Wanathamulla Grama Niladhari Divisions.
The Dematagoda Grama Niladhari Division has a Sri Lankan Tamil plurality (34.3%), a significant Sinhalese population (30.8%) and a significant Moor population (30.1%). In comparison, the Thimbirigasyaya Divisional Secretariat (which contains the Dematagoda 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 Dematagoda Grama Niladhari Division has a Muslim plurality (37.4%), a significant Buddhist population (29.1%) and a significant Hindu population (22.4%). In comparison, the Thimbirigasyaya Divisional Secretariat (which contains the Dematagoda Grama Niladhari Division) has a Buddhist plurality (47.9%), a significant Hindu population (22.5%) and a significant Muslim population (17.4%)[3]