Population by Grama Niladhari division
| GN Division | Total population |
| Kanumuldeniya West | 1802 |
| Oluara | 808 |
| Sumihirigama | 1025 |
| Kanumuldeniya North | 806 |
| Wijayasiripura | 1492 |
| Kanumuldeniya East | 789 |
| Kuruduwaththa | 651 |
| Rajapuragoda | 882 |
| Udadeniya | 1000 |
| Kanumuldeniya South | 733 |
| Nathuwala | 945 |
| Kahatallagoda | 704 |
| Kandebadda | 822 |
| Godawanna | 582 |
| Morakandegoda | 832 |
| Thalahagamwaduwa Ihala | 962 |
| Thalahagamwaduwa Pahala | 589 |
| Kadigamuwa East | 710 |
| Kadigamuwa West | 690 |
| Modarawana North | 578 |
| Modarawana Sothern | 653 |
| Okewela | 915 |
| Yatigala Ihala | 475 |
| Yatigala Pahala | 634 |
| Pallewawwa | 509 |
| Wawwa | 812 |
| Heenatihathamuna | 471 |
| 21871 |
Population by Gender
| GN Division | Female | Male | Total Population |
| Kanumuldeniya West | 892 | 910 | 1802 |
| Oluara | 419 | 389 | 808 |
| Sumihirigama | 524 | 501 | 1025 |
| Kanumuldeniya North | 433 | 373 | 806 |
| Wijayasiripura | 778 | 714 | 1492 |
| Kanumuldeniya Este | 443 | 346 | 789 |
| Kuruduwaththa | 349 | 302 | 651 |
| Rajapuragoda | 490 | 392 | 882 |
| Udadeniya | 528 | 472 | 1000 |
| Kanumuldeniya Sothern | 393 | 340 | 733 |
| Nathuwala | 485 | 460 | 945 |
| Kahatallagoda | 360 | 344 | 704 |
| Kandebadda | 429 | 393 | 822 |
| Godawanna | 271 | 311 | 582 |
| Morakandegoda | 427 | 405 | 832 |
| Thalahagamwaduwa Ihala | 541 | 421 | 962 |
| Thalahagamwaduwa Pahala | 314 | 275 | 589 |
| Kadigamuwa Este | 366 | 344 | 710 |
| Kadigamuwa West | 364 | 326 | 690 |
| Modarawana North | 308 | 270 | 578 |
| Modarawana Sothern | 353 | 300 | 653 |
| Okewela | 520 | 395 | 915 |
| Yatigala Ihala | 262 | 213 | 475 |
| Yatigala Pahala | 322 | 312 | 634 |
| Pallewawwa | 262 | 247 | 509 |
| Wawwa | 410 | 402 | 812 |
| Heenatihathamuna | 256 | 215 | 471 |
| Total | 11499 | 10372 | 21871 |
