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List of islands of the United States by area

Satellite image of the Big Island of Hawaiʻi, the largest island in the United States.

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 man-made canals are not considered islands.

Islands over 250 square miles (650 km2)Edit

Rank Island's Name Area (sq mi) Area (km2) Location Population (2010)
1 Hawaiʻi (Big Island) 4,028[1] 10,433[1]   Hawaii 185,079
2 Kodiak Island 3,588[2] 9,293[2]   Alaska 13,592[2]
3 Puerto Rico 3,363 8,710   Puerto Rico 3,725,789
4 Prince of Wales Island 2,577 6,675[3][4]   Alaska 5,559
5 Chichagof Island 2,080 5,388   Alaska 1,342
6 St. Lawrence Island 1,983 5,135   Alaska 1,352
7 Admiralty Island 1,684 4,362   Alaska 650
8 Nunivak Island 1,625 4,209   Alaska 191
9 Unimak Island 1,590 4,119   Alaska 35
10 Baranof Island 1,570 4,065[3]   Alaska 8,532
11 Long Island 1,401[5] 3,629[5]   New York 7,568,304[5]
12 Revillagigedo Island 1,145 2,965[4]   Alaska 13,477
13 Kupreanof Island 1,086 2,813[4]   Alaska 584
14 Unalaska Island 1,051 2,722   Alaska 1,759
15 Nelson Island 843 2,183   Alaska 1,197
16 Kuiu Island 758 1,962[4]   Alaska 10
17 Maui 727[1] 1,883[1]   Hawaii 144,444
18 Afognak 698 1,809   Alaska 169
19 Umnak 692 1,793   Alaska 39
20 Oʻahu 597[1] 1,545[1]   Hawaii 953,207
21 Kauaʻi 552[1] 1,430[1]   Hawaii 67,091
22 Atka Island 410 1,061   Alaska 61
23 Attu Island 346 896   Alaska 0
24 Etolin Island 336 870   Alaska 15
25 Montague Island 305 790   Alaska 0
26 Adak Island 280 725   Alaska 326
27 Molokaʻi 260[1] 673[1]   Hawaii 7,345
28 Dall Island 253 655[3]   Alaska 20

Islands 250–75 square miles (647–194 km2)Edit

This section of the list might not be complete, but covers almost all of the islands in the United States over 75 square miles (190 km2).

Rank Island's Name Area (sq mi) Area (km2) Location Population (2000)
29 Wrangell Island 216 560   Alaska 2,401
30 Mitkof Island 211 546[4]   Alaska 3,364
31 Padre Island 209 [6] 542   Texas 2,816
32 Guam 209 541   Guam 154,805
33 Isle Royale 206[7] 534[7]   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 58,211
41 Kruzof Island 168 435   Alaska 0
42 Kanaga Island 142 369   Alaska 0
43 Lānaʻi 141[1] 364[1]   Hawaii 3,193
44 St. Matthew Island 137 354   Alaska 0
45 Annette Island 132 342   Alaska 1,447
46 Akutan Island 129 334   Alaska 713
47 Drummond Island 125[8] 324   Michigan 1,058
48 Hagemeister Island 120 312   Alaska 0
49 Nagai Island 120 310   Alaska 0
50 Amchitka 119 309   Alaska 0
51 Sitkalidak Island 119 309   Alaska 0
52 Mount Desert Island 108[9] 280[9]   Maine 10,424[9]
53 Kiska 107 278   Alaska 0
54 Knight Island 101 260   Alaska 0
55 Marsh Island 100 259   Louisiana 0
56 Santa Cruz Island 98[10] 254[10]   California 2
57 Gravina Island 95 245   Alaska 50
58 Martha's Vineyard 91 236   Massachusetts 14,901
59 Agattu 90 234   Alaska 0
60 Semisopochnoi Island 86 224   Alaska 0
61 Johns Island 84 217   South Carolina 11,477
62 Seguam Island 83 215   Alaska 1
63 Saint Croix 84 212   U.S. Virgin Islands 53,234
64 Yakobi Island 82 212   Alaska 0
65 Santa Rosa Island 81 209   California 2
66 Raspberry Island 77 200   Alaska 2
67 Douglas Island 77 199   Alaska 5,297
68 Dauphin Island 75 194   Alabama 1,371
69 Santa Catalina Island 75 194   California 3,696

Islands under 75 square miles (190 km2)Edit

This section of the list is not complete, although it should cover most of the islands in the United States over 20 square miles (52 km2).

Island's Name Area (sq mi) Area (km2) Location Population (2000)
Heceta Island 70 181   Alaska 14
Niihau 70[1] 180[1]   Hawaii 160
Saipan 69 180   Northern Mariana Islands 62,392
Tugidak Island 69 180   Alaska 0
Hawkins Island 67 175   Alaska 4
Yunaska Island 67 172   Alaska 0
Sitkinak Island 65 169   Alaska 0
Akun Island 65 168   Alaska 0
Shuyak Island 65 168   Alaska 0
Chuginadak Island 65 167   Alaska 0
Sukkwan Island 65 167   Alaska 9
Galveston Island 64 166   Texas 58,175
Matagorda Island 61 157   Texas 0
Great Sitkin Island 60 156   Alaska 0
Staten Island 59 153   New York 443,728
Deer Island 58 152   Alaska 0
Duke Island 57 149   Alaska -1?
Orcas Island 57 148   Washington 4,453
Cumberland Island 57 147   Georgia 0
San Clemente Island 57 147   California 0
Uganik Island 57 147   Alaska 0
Stuart Island 56 145   Alaska 0
Hilton Head Island 55 144   South Carolina 33,862
Beaver Island 55 144   Michigan 551
San Juan Island 55 143   Washington 6,822
Suemez Island 52 135[3]   Alaska 0
Tutuila 52 135   American Samoa 55,876
Esther Island 52 133   Alaska 31
Vieques 51 132[11]   Puerto Rico 9,106[11]
Sanak Island 50 128   Alaska 0
Sugar Island 49 128   Michigan 652
Bois Blanc Island 49 127   Michigan 71
Nantucket 48[12] 124[12]   Massachusetts 9,520[12]
Kagalaska Island 45 116   Alaska 0
Kahoʻolawe 45[1] 116[1]   Hawaii 0
Long Island 45 115   Alaska 0
Chirikof Island 44 115   Alaska 0
Wadmalaw Island 42 109   South Carolina 2,611
Antelope Island 42 109   Utah 0
Dolgoi Island 41 107   Alaska 0
Fidalgo Island 41 107   Washington 20,700
Baker Island 41 105[3]   Alaska -1?
Camano Island 40 105   Washington 13,358
Saint Paul Island 40 104   Alaska 532
Sedanka Island 40 103   Alaska 0
Deer Isle <40 <102   Maine <3,028
Tinian 39 102   Northern Mariana Islands 3,540
Aquidneck Island/Rhode Island 38 98   Rhode Island 60,870
Vashon Island 37 96   Washington 10,123
Tigalda Island 35 91   Alaska 0
Saint George Island 35 90   Alaska 100
Catherine Island 34 87   Alaska 0
Hatteras Island 34 86   North Carolina 4,001
Rota 33 85   Northern Mariana Islands 2,477
Sauvie Island 33 85   Oregon 1,078
Grand Isle 32 82   Vermont 3,651
Kent Island 32 82   Maryland 16,812
Pine Island 32 82   Florida 8,235
Saint Thomas 32 81   U.S. Virgin Islands 51,181
Coronation Island 30 78   Alaska 0
Lopez Island 30 77   Washington 2,177
Grand Island 29 73   New York 18,621
Bainbridge Island 28 72   Washington 20,308
Gareloi Island 26 67   Alaska 0
Madeline Island 24 62   Wisconsin 246
Washington Island 24 61   Wisconsin 600
Vinalhaven Island 23 61   Maine 1,235
Manhattan 23 60   New York 1,537,195
San Nicolas Island 23 59   California 0
Alameda Island 23 59   California 73,812
Marquette Island 23 59   Michigan 0
Woronkofski Island 23 59   Alaska 0
Grand Island 22 58   Michigan 45
North Manitou Island 22 58   Michigan 0
Neebish Island 22 56   Michigan 66
Saint John 20 51   U.S. Virgin Islands 4,007
Fenwick Island 15 38   Delaware 8,002
San Miguel Island 15 38   California 0
Block Island 9 25   Rhode Island 1,051
South Manitou Island 8 21   Michigan 0
Mercer Island 7 17   Washington 22,036
Kelley's Island 4.3 11   Ohio 312
Mackinac Island 3.7 9.7   Michigan 492

See alsoEdit

ReferencesEdit

  1. ^ a b c d e f g h i j k l m n o p "Table 5.08 - Land Area of Islands: 2000" (Portable Document Format). The State of Hawaii Data Book 2004. State of Hawaii. 2004. Retrieved 2007-10-25. External link in |work= (help)
  2. ^ a b c "Kodiak Island". Encyclopædia Britannica (Britannica Concise ed.). Encyclopædia Britannica, Inc. 2007. 9369330. Archived from the original on 2008-01-17. Retrieved 2007-10-28. Cite uses deprecated parameter |deadurl= (help)
  3. ^ a b c d e Carrara, Paul E.; Ager, Thomas A.; Baichtal, James F.; VanSistine, D. Paco (2003). "Miscellaneous Field Studies Map MF–2424" (Portable Document Format). Denver, Colorado: United States Geological Survey. Retrieved 2007-10-24. Cite journal requires |journal= (help); |contribution= ignored (help)
  4. ^ a b c d e Peacock, Elizabeth (2004-12-13). "Kuiu" (Portable Document Format). Reno, Nevada: Alaska Department of Fish and Game. Retrieved 2007-10-29. Cite journal requires |journal= (help); |contribution= ignored (help)
  5. ^ a b c "Long Island". Encyclopædia Britannica (Britannica Concise ed.). Encyclopædia Britannica, Inc. 2007. 9370515. Archived from the original on 2007-11-05. Retrieved 2007-10-29. Cite uses deprecated parameter |deadurl= (help)
  6. ^ "Padre Island". Handbook of Texas Online. University of Texas. Retrieved 2007-11-12. Padre Island comprises a total of 133,918 acres (541.95 km2) in Nueces, Kleberg, Willacy, Cameron, and Kenedy County, Texas.
  7. ^ a b "Isle Royale National Park - Nature & Science". Isle Royale National Park. National Park Service. 2006-07-25. Retrieved 2007-10-29. Isle Royale National Park preserves 132,018 acres (534.26 km2) of land-based wilderness External link in |work= (help)
  8. ^ 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.
  9. ^ a b c "Mount Desert Island". Encyclopædia Britannica. Encyclopædia Britannica, Inc. 2007. 9054016. Retrieved 2007-10-29.
  10. ^ a b "Channel Islands". Encyclopædia Britannica (Britannica Concise ed.). Encyclopædia Britannica, Inc. 2007. 9360314. Archived from the original on 2006-06-04. Retrieved 2007-10-29. Cite uses deprecated parameter |deadurl= (help)
  11. ^ a b "PUERTO RICO FACTS and HISTORY". U.S. Census Bureau. Retrieved 2008-05-23.
  12. ^ a b c "Nantucket". Encyclopædia Britannica. Encyclopædia Britannica, Inc. 2007. 9054798. Retrieved 2007-10-29.