14 places in Saint Helena, Ascension and Tristan da Cunha, ranked by population at the census of February 7, 2021 (by St Helena Statistics Office). 5 places missing from that count keep their 2008 census figure.
| Rank | Place | Population |
|---|---|---|
| 1 | Half Tree Hollow | 1,034 |
| 2 | St. Paul'sNew Ground | 928 |
| 3 | Longwood | 765 |
| 4 | Jamestown | 625 |
| 5 | Georgetown | 450(2008 census) |
| 6 | Alarm Forest | 394 |
| 7 | Levelwood | 342 |
| 8 | Edinburgh of the Seven Seas | 260 |
| 9 | Cat Hill US Military Base | 210(2008 census) |
| 10 | Sandy Bay | 177 |
| 11 | Blue Hill | 174 |
| 12 | Traveller's Hill Royal Air Force BaseWideawake Airfield | 170(2008 census) |
| 13 | Two Boats Village | 110(2008 census) |
| 14 | The Residency | 4(2008 census) |
Source: St Helena Statistics Office (2021 census), via City Population by Thomas Brinkhoff.