Population by Grama Niladhari division
| GN Division | Total population |
| Sammantranapura | 8269 |
| Mattakkuliya | 29577 |
| Modara | 18755 |
| Madampitiya | 13699 |
| Mahawatta | 9304 |
| Aluthmawatha | 14391 |
| Lunupokuna | 13122 |
| Bloemandhal | 14578 |
| Kotahena East | 6744 |
| Kotahena West | 9938 |
| Kochchikade North | 9864 |
| Jinthupitiya | 8566 |
| Masangasweediya | 8995 |
| New Bazar | 14191 |
| Grandpass South | 18577 |
| Grandpass North | 9405 |
| Nawagampura | 7205 |
| Maligawatta East | 12172 |
| Keththarama | 14452 |
| Aluthkade East | 10618 |
| Aluthkade West | 7940 |
| Kochchikade South | 8182 |
| Pettah | 2032 |
| Fort | 1556 |
| Galleface | 4002 |
| Slave Island | 4008 |
| Hunupitiya | 7270 |
| Suduwella | 4135 |
| Keselwatta | 7627 |
| Panchikawatta | 8943 |
| Maligawatta West | 9472 |
| Maligakanda | 9005 |
| Maradana | 4849 |
| Ibbanwala | 2764 |
| Wekanda | 7224 |
Population by Gender
| GN Division | Female | Male | Total Population |
| Sammanthranapura | 4026 | 4243 | 8269 |
| Mattakkuliya | 14759 | 14818 | 29577 |
| Modara | 9467 | 9288 | 18755 |
| Madampitiya | 6828 | 6871 | 13699 |
| Mahawatta | 4692 | 4612 | 9304 |
| Aluthmawatha | 7418 | 6973 | 14391 |
| Lunupokuna | 6412 | 6710 | 13122 |
| Bloemandhal | 7459 | 7119 | 14578 |
| Kotahena East | 3550 | 3194 | 6744 |
| Kotahena West | 5061 | 4877 | 9938 |
| Kochchikade North | 4578 | 5286 | 9864 |
| Jinthupitiya | 4446 | 4120 | 8566 |
| Masangasweediya | 4450 | 4545 | 8995 |
| New Bazar | 7059 | 7132 | 14191 |
| Grandpass South | 9347 | 9230 | 18577 |
| Grandpass North | 4723 | 4682 | 9405 |
| Nawagampura | 3551 | 3654 | 7205 |
| Maligawatta East | 6073 | 6099 | 12172 |
| Keththarama | 7157 | 7295 | 14452 |
| Aluthkade East | 5351 | 5267 | 10618 |
| Aluthkade West | 3806 | 4134 | 7940 |
| Kochchikade South | 3891 | 4291 | 8182 |
| Pettah | 74 | 1958 | 2032 |
| Fort | 431 | 1125 | 1556 |
| Galleface | 2016 | 1986 | 4002 |
| Slave island | 2035 | 1973 | 4008 |
| Hunupitiya | 3747 | 3523 | 7270 |
| Suduwella | 2015 | 2120 | 4135 |
| Keselwatta | 3786 | 3841 | 7627 |
| Panchikawatta | 4512 | 4431 | 8943 |
| Maligawatta West | 4864 | 4608 | 9472 |
| Maligakanda | 4220 | 4785 | 9005 |
| Maradana | 2289 | 2560 | 4849 |
| Ibbanwala | 1679 | 1085 | 2764 |
| Wekanda | 3708 | 3516 | 7224 |
