Duncans's 2026 population is now estimated at 3,719. In 2001, the population of Duncans was 2,132. Duncans has grown by 80 in the last year, which represents a 2.2% annual change. These population values and projections come from Jamaica census city counts via CityPopulation fallback access, STATIN Census 2022 population and dwelling counts by community and World Population Review Internal Projections .
| City | 2026 Pop. ↓ | Growth |
|---|---|---|
| Spanish Town | 177,582 | 1.26% |
| Portmore | 154,509 | -1.09% |
| Montego Bay | 121,023 | 0.63% |
| Kingston | 73,019 | -4.88% |
| Old Harbour | 38,623 | 1.95% |
| Old Harbour Bay | 24,591 | 5.13% |
| Linstead | 23,132 | 2.82% |
| Port Antonio | 22,832 | 2.93% |
| Savanna-la-Mar | 21,780 | -0.26% |
| Santa Cruz | 19,827 | 4.38% |
| Brown's Town | 18,013 | 4.71% |
| Mandeville | 17,755 | -4.88% |
| Falmouth | 16,691 | 4.45% |
| Runaway Bay | 15,336 | 3.9% |
| Bog Walk | 14,669 | 2.99% |
| Discovery Bay | 14,249 | 5.13% |
| Porus | 12,291 | 4.88% |
| Junction | 12,026 | 5.13% |
| Negril | 11,583 | 2.65% |
| Lucea | 11,373 | 3.16% |
| Hayes | 11,202 | 0.34% |
| Ewarton | 10,960 | 0.78% |
| Highgate | 10,379 | 3.3% |
| Grange Hill | 8,834 | 1.63% |
| Port Maria | 8,542 | 0.9% |
| Oracabessa | 8,103 | 4.15% |
| Ocho Rios | 7,030 | -4.88% |
| Annotto Bay | 6,740 | 0.76% |
| Spaldings | 6,634 | 2.82% |
| Buff Bay | 6,591 | 2.31% |
| May Pen | 6,563 | -4.87% |
| Christiana | 6,124 | -2.11% |
| St. Ann's Bay | 5,844 | -4.23% |
| Claremont | 5,328 | 5.13% |
| Frankfield | 5,204 | 2.66% |
| Yallahs | 4,163 | -4.89% |
| Balaclava | 3,812 | 2.14% |
| Lionel Town | 3,805 | 0.34% |
| Duncans | 3,719 | 2.2% |
| Black River | 3,681 | -2.46% |
| Clark's Town | 3,636 | 1.28% |
| Chapelton | 3,377 | -1.72% |
| Darliston | 2,291 | -0.13% |
| Gayle/Lucky Hill | 2,109 | -2.9% |
| Port Morant | 2,045 | -2.34% |
| Bath | 1,426 | -2.6% |
| Morant Bay | 870 | -4.92% |