Port Erin's 2026 population is now estimated at 3,993. In 1981, the population of Port Erin was 2,812. Port Erin has grown by 54 in the last year, which represents a 1.37% annual change. These population values and projections come from Isle of Man towns and villages via CityPopulation and World Population Review Internal Projections .
| City | 2026 Pop. ↓ | Growth |
|---|---|---|
| Douglas | 26,361 | -0.24% |
| Onchan | 8,951 | -0.19% |
| Ramsey | 8,756 | 1.11% |
| Peel | 6,067 | 1.22% |
| Port Erin | 3,993 | 1.37% |
| Castletown | 3,196 | -0.06% |
| Port St. Mary | 2,065 | 0.78% |
| Laxey | 1,636 | -0.24% |