List of islands of the United States by area Islands over   square miles (  km ) Islands over   square miles (  km )

| Rank_ | Island_s_Name | Area_sqmi | Area_km_2_ | Location_ | Population_2000 |
|---|---|---|---|---|---|
| 14 | Unalaska Island | 1051 | 2722 | Alaska | 1759 |
| 15 | Nelson Island | 843 | 2183 | Alaska | 1065 |
| 16 | Kuiu Island | 758 | 1962 | Alaska | 10 |
| 17 | Maui | 727 | 1883 | Hawaii | 117644 |
| 18 | Afognak | 698 | 1809 | Alaska | 169 |
| 19 | Umnak | 692 | 1793 | Alaska | 39 |
| 20 | O ʻ ahu | 597 | 1545 | Hawaii | 876151 |
| 21 | Kaua ʻ i | 552 | 1430 | Hawaii | 58303 |
| 22 | Atka Island | 410 | 1061 | Alaska | 95 |
| 23 | Attu Island | 346 | 896 | Alaska | 20 |
| 24 | Etolin Island | 336 | 870 | Alaska | 15 |
| 25 | Adak Island | 280 | 725 | Alaska | 316 |
| 26 | Montague Island | 279 | 722 | Alaska | 0 |
| 27 | Moloka ʻ i | 260 | 673 | Hawaii | 7404 |
| 28 | Dall Island | 253 | 655 | Alaska | 20 |