List of islands of the United States by area explained

This is a list of islands of the United States, as ordered by area. It includes most islands with an area greater than 20 square miles (approximately 52 km2). Mainland areas cut by human-made canals are not considered islands.

Islands over 75sqmi

RankIsland's Namedata-sort-type="number"Area (sq mi)data-sort-type="number"Area (km2)Locationdata-sort-type="number"Population (2010)
1 4,028[1] 10,433 185,079
2 3,588[2] 9,293 13,592
3 3,513[3] 9,100 3,285,874[4]
4 2,577 6,675[5] 5,559
5 2,080 5,388 1,342
6 1,983 5,135 1,352
7 1,684 4,362 650
8 1,625 4,209191
9 1,590 4,119 35
10 1,570 4,065 8,532
11 1,401[6] 3,6297,568,304
12 1,145 2,965 13,477
13 1,086 2,813 584
14 1,051 2,722 1,759
15 843 2,183 1,197
16 758 1,962[7] 10
17 727 1,883 144,444
18 698 1,809 169
19 692 1,793 39
20 597 1,545 953,207
21 552 1,430 67,091
22 410 1,061 61
23 346 896 0
24 336 870 15
25 305 790 0
26 280 725 326
27 260 673 7,345
28 253 655 20
29 216 560 2,401
30 211 546 3,364
31 209[8] 542 2,816
32 209 541 154,805
33 206[9] 5340
34 204 529 0
35 185 478 0
36 177 461 0
37 176 459 0
38 170 445 5
39 169 438 52
40 169 437 58,211
41 168 435 0
42 142 369 0
43 Lanai141 364 3,193
44 137 354 0
45 132 342 1,447
46 129 334 713
47 125[10] 324 1,058
48 120 312 0
49 120 310 0
50 119 309 0
51 119 309 0
52 108[11] 280 10,424
53 107 278 0
54 101 260 0
55 100 259 0
56 98[12] 254 2
57 95 245 50
58 91 236 14,901
59 90 234 0
60 86 224 0
61 84 217 11,477
62 83 215 1
63 84 212 53,234
64 82 212 0
65 81 209 2
66 77 200 2
67 77 199 5,297
68 75 194 3,696

Islands 5–

This section of the list is not complete, although it should cover most of the islands in the United States over 20sqmi.

Island's Namedata-sort-type="number"Area (sq mi)data-sort-type="number"Area (km2)Locationdata-sort-type="number"Population
70 181 14
70 180 160
69 180 62,392
69 180 0
68 176 2,301
67 175 4
67 172 0
65 169 0
65 168 0
65 168 0
65 167 0
65 167 9
64 166 58,175
61 157 0
60 156 0
59 153 443,728
58 152 0
57 149 0
57 148 4,453
57 147 0
57 147 0
57 147 0
56 145 915
56 145 0
55 144 33,862
55 144 551
55 143 6,822
52 135 0
52 135 55,876
52 133 31
51 132[13] 9,106
50 128 0
49 128 652
49 127 71
48[14] 124 9,520
46 120 0
45 116 0
45 116 0
45 115 0
44 115 0
42 109 2,611
42 109 0
41 107 0
41 107 20,700
41 105 0
40 105 13,358
40 104 532
40 103 0
<40 <102 <3,028
39 102 3,540
38 98 60,870
3796 10,123
35 91 0
35 90 100
34 87 0
34 86 4,001
33 85 2,477
33 85 1,078
32 82 3,651
32 82 16,812
32 82 8,235
32 81 51,181
30 78 0
30 77 2,177
29 73 18,621
28 72 20,308
26 67 0
24.4 63 0
24 62 246
24 61 600
23 61 1,235
23 60 1,537,195
23 59 0
23 59 73,812
23 59 0
23 59 0
22 58 45
22 58 0
22 56 66
21 53 8,386
Tuxekan Island20 53 0
20 51 4,007
18.65 48.3 1,412
18.2 47.1 10,716
Pagan18477
17.95 46.5 6,724
Georgetown Island17.445.01,058
17.11 44.31 790
Agrihan17.0144.050
16.18 41.90 6,382
15.5 40 0
15.25 39.49 12,447
15 38 8,002
15 38 0
Anatahan13.0933.910
13 33 368
Islesboro Island12.432.1583
12.3 31.8 0
12.19 31.58 2,413
Marco Island12.131.515,760
Culebra11.6430.91,314
North Haven11.630.1417
Bogue Banks11.329.1~6,600
Kiawah Island11.1728.931,769
Swan's Island10.928.4355
Mockhorn Island10.928.30
Isle au Haut10.727.692
Marsh Island10.226.4~7,000
9.6 24.9 10,894
Sebascodegan Island9.624.8<5,000
9.4 25.1 5,622
Lummi Island9.2524 Washington822
9 25 1,051
Westport Island8.8122.82719
8.6 22.3 40
8.6 22.3 605
8.6 22.3 797
8.5 22.1 ~20-700
Absecon Island8.221.257,457
8.17 21.17 1,005
8 21 0
7.9 20.3 0
7.8 20.2 0
7.75 20.1 1,037
Arrowsic Island7.7520.07477
7.7 20.0 240
7.66 19.8 0
7.5 19.4 831
7.4 19 30
7 17 22,036
6.63 17.2 214
Sugar Island6.57517.030
6.5 16.9 56
6.3 16.4 844
6.26 16.2 1,371
Verona Island6.2416.16507
5.9 15.3 0
5.57 14.43 278
South Core Banks5.514.20
5.5 14.1 0
5.4 13.9 0
5.2 13.5 3,633
5.184 13.43 0

See also

Notes and References

  1. Web site: Table 5.08 - Land Area of Islands: 2000 . The State of Hawaii Data Book 2004 . . 2004 . October 25, 2007 .
  2. Encyclopedia: . Kodiak Island . Britannica Concise . 2007 . . 9369330 . October 28, 2007 . dead . https://web.archive.org/web/20080117050623/http://concise.britannica.com/ebc/article-9369330/Kodiak-Island . January 17, 2008.
  3. Web site: State Area Measurements and Internal Point Coordinates . United States Census Bureau . 24 February 2024.
  4. Web site: 26 April 2021 . Table 2. Resident Population for the 50 States, the District of Columbia, and Puerto Rico: 2020 Census . . 26 April 2021.
  5. Carrara . Paul E. . Ager . Thomas A. . Baichtal . James F. . VanSistine . D. Paco . Map of Glacial Limits and Possible Refugia in the Southern Alexander Archipelago, Alaska, During the Late Wisconsin Glaciation . Miscellaneous Field Studies Map MF–2424 . 2003 . . . October 24, 2007 .
  6. Encyclopedia: . Long Island . Britannica Concise . 2007 . . 9370515 . October 29, 2007 . dead . https://web.archive.org/web/20071105193902/http://concise.britannica.com/ebc/article-9370515/Long-Island . November 5, 2007.
  7. Peacock . Elizabeth . Glaciers, Mountains, and Salt Water: Assessing Barriers to Movement of a Vagile Species . Kuiu . December 13, 2004 . . . October 29, 2007 .
  8. Web site: Padre Island . Handbook of Texas Online . . Padre Island comprises a total of 133918acres in Nueces, Kleberg, Willacy, Cameron, and Kenedy County, Texas. . November 12, 2007 .
  9. Web site: Isle Royale National Park - Nature & Science . Isle Royale National Park . . July 25, 2006 . Isle Royale National Park preserves 132018acres of land-based wilderness . October 29, 2007 .
  10. Drummond Island comprises the bulk of Drummond Township, Chippewa County, Michigan. According to the U.S. Census Bureau, the land area of Drummond Township is 334.3 km2, or 249.1 mi2, and its population was 1,049 in 2017. The township includes a number of apparently uninhabited smaller islands in Potagannissing Bay, and their estimated combined area is not more than four mi2.
  11. Encyclopedia: . Mount Desert Island . 2007 . . 9054016 . October 29, 2007 .
  12. Encyclopedia: . Channel Islands . Britannica Concise . 2007 . . 9360314 . October 29, 2007 . dead . https://web.archive.org/web/20060604004530/http://concise.britannica.com/ebc/article-9360314/Channel-Islands . June 4, 2006.
  13. Web site: PUERTO RICO FACTS and HISTORY . . May 23, 2008 . https://archive.today/20200212034645/http://factfinder.census.gov/servlet/GCTTable?_bm=y&-geo_id=04000US72&-_box_head_nbr=GCT-PH1&-ds_name=DEC_2000_SF1_U&-format=ST-2 . February 12, 2020 . dead .
  14. Encyclopedia: . Nantucket . 2007 . . 9054798 . October 29, 2007 .

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