List of islands of the United States by area Islands   ( –  km ) Islands   ( –  km )

| Rank_ | Island_s_Name | Area_sqmi | Area_km_2_ | Location_ | Population_2000 |
|---|---|---|---|---|---|
| 29 | Wrangell Island | 216 | 560 | Alaska | 2401 |
| 30 | Mitkof Island | 211 | 546 | Alaska | 3364 |
| 31 | Padre Island | 209 | 542 | Texas | -1 ? |
| 32 | Guam | 209 | 541 | Guam | 154805 |
| 33 | Isle Royale | 206 | 534 | Michigan | 0 |
| 34 | Tanaga Island | 204 | 529 | Alaska | 0 |
| 35 | Zarembo Island | 185 | 478 | Alaska | 0 |
| 36 | Unga Island | 177 | 461 | Alaska | 0 |
| 37 | Amlia | 176 | 459 | Alaska | 0 |
| 38 | Hinchinbrook Island | 170 | 445 | Alaska | 5 |
| 39 | Kosciusko Island | 169 | 438 | Alaska | 52 |
| 40 | Whidbey Island | 169 | 437 | Washington | 58211 |
| 41 | Kruzof Island | 168 | 435 | Alaska | 0 |
| 42 | Kanaga Island | 142 | 369 | Alaska | 0 |