Foa's 2026 population is now estimated at 1,290. In 2011, the population of Foa was 1,359. Foa experienced a decrease of -10 residents over the past year, marking an annual decline of -0.77%. These population values and projections come from Tonga census district population 2011 (TSD Table G1), Tonga census district population 2016 (TSD Table G1), Tonga census district population 2021 (TSD Table G1) and World Population Review Internal Projections .
| City | 2026 Pop. ↓ | Growth |
|---|---|---|
| Rural | 80,590 | 0.4% |
| Nukualofa | 33,131 | -0.6% |
| Urban | 19,328 | -1.82% |
| Kolomotua | 16,620 | -0.29% |
| Kolofoou | 16,519 | -0.89% |
| Vaini | 13,402 | 0.31% |
| Nukunuku | 8,357 | 0.43% |
| Lapaha | 7,506 | 0.54% |
| Tatakamotonga | 7,344 | 0.42% |
| Neiafu | 5,441 | 0.37% |
| Kolovai | 4,335 | 0.16% |
| Leimatua | 3,275 | 2.79% |
| Eua Motua | 2,686 | -0.41% |
| Hahake | 2,289 | 1.24% |
| Eua Foou | 2,098 | -0.24% |
| Hihifo | 1,948 | -0.2% |
| Pangai | 1,891 | -1.51% |
| Foa | 1,290 | -0.77% |
| Pangaimotu | 1,171 | -0.59% |
| Niuatoputapu | 698 | -0.57% |
| Motu | 578 | -2.53% |
| Lulunga | 567 | -4.71% |
| Muomua | 551 | 2.42% |
| Uiha | 546 | -2.33% |
| Ha`ano | 435 | -0.91% |
| Niuafoou | 375 | -2.85% |
