Masefau's 2026 population is now estimated at 161. In 2010, the population of Masefau was 425. Masefau experienced a decrease of -17 residents over the past year, marking an annual decline of -9.55%. These population values and projections come from U.S. Census Bureau 2010 DPSF village population (American Samoa), U.S. Census Bureau 2020 PHC table 02 village population (American Samoa) and World Population Review Internal Projections .
| City | 2026 Pop. ↓ | Growth |
|---|---|---|
| Tafuna | 8,014 | 0.05% |
| Nu'uuli | 5,613 | 1.89% |
| Ili'ili | 3,000 | -0.4% |
| Pago Pago | 2,606 | -2.47% |
| Mapusagafou | 2,160 | 3.1% |
| Faleniu | 1,986 | 0.3% |
| Pava'ia'i | 1,909 | -1.75% |
| Vaitogi | 1,898 | -0.21% |
| Leone | 1,405 | -2.29% |
| Fagatogo | 1,270 | -2.23% |
| Aua | 1,232 | -4.12% |
| Vailoatai | 1,044 | -2.34% |
| Malaeimi | 964 | -1.43% |
| Puapua | 952 | -0.1% |
| Anua | 746 | 6.57% |
| Aoloau | 671 | 0.45% |
| Futiga | 657 | -0.76% |
| Lauli'i | 642 | -2.43% |
| Taputimu | 630 | -2.02% |
| Faga'alu | 624 | -2.8% |
| Malaeloa/aitulagi | 564 | -1.4% |
| Fagasa | 425 | -5.56% |
| Mesepa | 398 | -0.5% |
| Aasu | 384 | -1.54% |
| Aunu'u | 382 | -0.78% |
| Utulei | 356 | -5.32% |
| Vatia | 352 | -4.86% |
| Malaeloa/ituau | 348 | -3.6% |
| Leloaloa | 315 | -2.78% |
| Matu'u | 268 | -2.9% |
| Tula | 250 | -3.85% |
| Amanave | 244 | 0% |
| Auma | 235 | -0.42% |
| Afono | 209 | -8.33% |
| Faga'itua | 199 | -7.01% |
| Auto | 185 | -2.63% |
| Satala | 171 | -3.93% |
| Aumi | 170 | -0.58% |
| Amaluia | 164 | 0% |
| Atu'u | 162 | -6.9% |
| Masefau | 161 | -9.55% |
| Nua | 155 | 0.65% |
| Alao | 143 | -13.33% |
| Olosega | 118 | -2.48% |
| Asili | 117 | -5.65% |
| Masausi | 116 | -2.52% |
| Fagali'i | 113 | -6.61% |
| Ofu | 106 | -3.64% |
| Se'etaga | 104 | -10.34% |
| Maia | 100 | -3.85% |
| Luma | 92 | -6.12% |
| Poloa | 92 | -6.12% |
| Alofau | 86 | -28.93% |
| Leusoali'i | 79 | -2.47% |
| Failolo | 74 | -2.63% |
| Auasi | 73 | -3.95% |
| Si'ufaga | 71 | -8.97% |
| Onenoa | 70 | -6.67% |
| Faleasao | 69 | -8% |
| Utusia | 60 | 0% |
| Faganeanea | 59 | -7.81% |
| Pagai | 59 | -4.84% |
| Utumea East | 59 | 1.72% |
| Amaua | 51 | -5.56% |
| Sa'ilele | 51 | -1.92% |
| Fatumafuti | 47 | -9.62% |
| Afao | 44 | -16.98% |
| Agugulu | 37 | -2.63% |
| Aoa | 37 | -57.95% |
| Utumea West | 35 | -2.78% |
| Fagamalo | 31 | -3.13% |
| Avaio | 28 | -3.45% |
| Swains | 17 | 0% |
| Alega | 14 | -12.5% |
| Sili | 11 | 0% |
| Maloata | 5 | 0% |