Population by Grama Niladhari division
| GN Division | Total population |
| Sammantranapura | 8146 |
| Mattakkuliya | 29138 |
| Modara | 18477 |
| Madampitiya | 13496 |
| Mahawatta | 9166 |
| Aluthmawatha | 14177 |
| Lunupokuna | 12926 |
| Bloemandhal | 14361 |
| Kotahena East | 6644 |
| Kotahena West | 9790 |
| Kochchikade North | 9717 |
| Jinthupitiya | 8439 |
| Masangasweediya | 8861 |
| New Bazar | 13981 |
| Grandpass South | 18301 |
| Grandpass North | 9265 |
| Nawagampura | 7097 |
| Maligawatta East | 11991 |
| Keththarama | 14238 |
| Aluthkade East | 10460 |
| Aluthkade West | 7822 |
| Kochchikade South | 8060 |
| Pettah | 2002 |
| Fort | 1533 |
| Galleface | 3942 |
| Slave Island | 3949 |
| Hunupitiya | 7162 |
| Suduwella | 4073 |
| Keselwatta | 7514 |
| Panchikawatta | 8810 |
| Maligawatta West | 9331 |
| Maligakanda | 8872 |
| Maradana | 4777 |
| Ibbanwala | 2723 |
| Wekanda | 7116 |
Population by Gender
| GN Division | Female | Male | Total Population |
| Sammanthranapura | 3966 | 4180 | 8146 |
| Mattakkuliya | 14540 | 14598 | 29138 |
| Modara | 9326 | 9151 | 18477 |
| Madampitiya | 6727 | 6769 | 13496 |
| Mahawatta | 4622 | 4544 | 9166 |
| Aluthmawatha | 7307 | 6870 | 14177 |
| Lunupokuna | 6317 | 6609 | 12926 |
| Bloemandhal | 7348 | 7013 | 14361 |
| Kotahena East | 3497 | 3147 | 6644 |
| Kotahena West | 4986 | 4804 | 9790 |
| Kochchikade North | 4510 | 5207 | 9717 |
| Jinthupitiya | 4380 | 4059 | 8439 |
| Masangasweediya | 4384 | 4477 | 8861 |
| New Bazar | 6954 | 7027 | 13981 |
| Grandpass South | 9208 | 9093 | 18301 |
| Grandpass North | 4652 | 4613 | 9265 |
| Nawagampura | 3498 | 3599 | 7097 |
| Maligawatta East | 5983 | 6008 | 11991 |
| Keththarama | 7051 | 7187 | 14238 |
| Aluthkade East | 5271 | 5189 | 10460 |
| Aluthkade West | 3749 | 4073 | 7822 |
| Kochchikade South | 3833 | 4227 | 8060 |
| Pettah | 73 | 1929 | 2002 |
| Fort | 425 | 1108 | 1533 |
| Galleface | 1986 | 1956 | 3942 |
| Slave island | 2005 | 1944 | 3949 |
| Hunupitiya | 3692 | 3470 | 7162 |
| Suduwella | 1985 | 2088 | 4073 |
| Keselwatta | 3792 | 3785 | 7514 |
| Panchikawatta | 4445 | 4365 | 8810 |
| Maligawatta West | 4792 | 4540 | 9331 |
| Maligakanda | 4158 | 4714 | 8872 |
| Maradana | 2255 | 2522 | 4777 |
| Ibbanwala | 1654 | 1069 | 2723 |
| Wekanda | 3652 | 3464 | 7116 |
