List of islands of the United States by area

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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 all islands with an area greater than 20 square miles (approximately 52 km2), but excludes peninsulas such as Cape Cod, Copper Island, or Delmarva Peninsula that were originally connected to the mainland, but have been effectively transformed into islands by the building of canals.

Contents

[edit] Islands over 250 square miles (650 km2)

Rank Island's Name Area (sq mi) Area (km2) Location Population (2000)
1 Hawaiʻi (Big Island) &100000000000040280000004,028[1] &1000000000001043300000010,433[1]  Hawaii &10000000000148677000000148,677
2 Kodiak Island &100000000000035880000003,588[2] &100000000000092930000009,293[2]  Alaska &1000000000001391300000013,913[2]
3 Puerto Rico &100000000000034350000003,435 &100000000000091040000009,104[3]  Puerto Rico &100000000038086100000003,808,610[3]
4 Prince of Wales Island &100000000000025770000002,577 &100000000000066750000006,675[4][5]  Alaska &10000000000006000000000≈6,000
5 Chichagof Island &100000000000020800000002,080 &100000000000053880000005,388  Alaska &100000000000013420000001,342
6 St. Lawrence Island &100000000000019830000001,983 &100000000000051350000005,135  Alaska &100000000000012920000001,292
7 Admiralty Island &100000000000016840000001,684 &100000000000043620000004,362  Alaska &10000000000000650000000650
8 Nunivak Island &100000000000016250000001,625 &100000000000042090000004,209  Alaska &10000000000000210000000210
9 Unimak Island &100000000000015900000001,590 &100000000000041190000004,119  Alaska &1000000000000006400000064
10 Baranof Island &100000000000015700000001,570 &100000000000040650000004,065[4]  Alaska &100000000000085320000008,532
11 Long Island &100000000000014010000001,401[6] &100000000000036290000003,629[6]  New York &100000000074486180000007,448,618[6]
12 Revillagigedo Island &100000000000011450000001,145 &100000000000029650000002,965[5]  Alaska &1000000000001395000000013,950
13 Kupreanof Island &100000000000010860000001,086 &100000000000028130000002,813[5]  Alaska &10000000000000785000000785
14 Unalaska Island &100000000000010510000001,051 &100000000000027220000002,722  Alaska &100000000000017590000001,759
15 Nelson Island &10000000000000843000000843 &100000000000021830000002,183  Alaska &100000000000010650000001,065
16 Kuiu Island &10000000000000758000000758 &100000000000019620000001,962[5]  Alaska &1000000000000001000000010
17 Maui &10000000000000727000000727[1] &100000000000018830000001,883[1]  Hawaii &10000000000117644000000117,644
18 Afognak &10000000000000698000000698 &100000000000018090000001,809  Alaska &10000000000000169000000169
19 Umnak &10000000000000692000000692 &100000000000017930000001,793  Alaska &1000000000000003900000039
20 Oʻahu &10000000000000597000000597[1] &100000000000015450000001,545[1]  Hawaii &10000000000876151000000876,151
21 Kauaʻi &10000000000000552000000552[1] &100000000000014300000001,430[1]  Hawaii &1000000000005830300000058,303
22 Atka Island &10000000000000410000000410 &100000000000010610000001,061  Alaska &1000000000000009500000095
23 Attu Island &10000000000000346000000346 &10000000000000896000000896  Alaska &1000000000000002000000020
24 Etolin Island &10000000000000336000000336 &10000000000000870000000870  Alaska &1000000000000001500000015
25 Adak Island &10000000000000280000000280 &10000000000000725000000725  Alaska &10000000000000316000000316
26 Montague Island &10000000000000279000000279 &10000000000000722000000722  Alaska &100000000000000000000000
27 Molokaʻi &10000000000000260000000260[1] &10000000000000673000000673[1]  Hawaii &100000000000074040000007,404
28 Dall Island &10000000000000253000000253 &10000000000000655000000655[4]  Alaska &1000000000000002000000020

[edit] Islands 250–75 square miles (647–194 km2)

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 &10000000000000216000000216 &10000000000000560000000560  Alaska &100000000000024010000002,401
30 Mitkof Island &10000000000000211000000211 &10000000000000546000000546[5]  Alaska &100000000000033640000003,364
31 Padre Island &10000000000000209000000209[7] &10000000000000542000000542  Texas &09999999999999998999999?
32 Guam &10000000000000209000000209 &10000000000000541000000541  Guam &10000000000154805000000154,805
33 Isle Royale &10000000000000206000000206[8] &10000000000000534000000534[8]  Michigan &100000000000000000000000
34 Tanaga Island &10000000000000204000000204 &10000000000000529000000529  Alaska &100000000000000000000000
35 Zarembo Island &10000000000000185000000185 &10000000000000478000000478  Alaska &100000000000000000000000
36 Unga Island &10000000000000177000000177 &10000000000000461000000461  Alaska &100000000000000000000000
37 Amlia &10000000000000176000000176 &10000000000000459000000459  Alaska &100000000000000000000000
38 Hinchinbrook Island &10000000000000170000000170 &10000000000000445000000445  Alaska &100000000000000050000005
39 Kosciusko Island &10000000000000169000000169 &10000000000000438000000438  Alaska &1000000000000005200000052
40 Whidbey Island &10000000000000169000000169 &10000000000000437000000437  Washington &1000000000005821100000058,211
41 Kruzof Island &10000000000000168000000168 &10000000000000435000000435  Alaska &100000000000000000000000
42 Kanaga Island &10000000000000142000000142 &10000000000000369000000369  Alaska &100000000000000000000000
43 Lānaʻi &10000000000000141000000141[1] &10000000000000364000000364[1]  Hawaii &100000000000031930000003,193
44 St. Matthew Island &10000000000000137000000137 &10000000000000354000000354  Alaska &100000000000000000000000
45 Annette Island &10000000000000132000000132 &10000000000000342000000342  Alaska &100000000000014470000001,447
46 Akutan Island &10000000000000129000000129 &10000000000000334000000334  Alaska &10000000000000713000000713
47 Drummond Island &10000000000000125000000125[9] &10000000000000324000000324  Michigan &100000000000010580000001,058
48 Hagemeister Island &10000000000000120000000120 &10000000000000312000000312  Alaska &100000000000000000000000
49 Nagai Island &10000000000000120000000120 &10000000000000310000000310  Alaska &100000000000000000000000
50 Amchitka &10000000000000119000000119 &10000000000000309000000309  Alaska &100000000000000000000000
51 Sitkalidak Island &10000000000000119000000119 &10000000000000309000000309  Alaska &100000000000000000000000
52 Mount Desert Island &10000000000000108000000108[10] &10000000000000280000000280[10]  Maine &1000000000001042400000010,424[10]
53 Kiska &10000000000000107000000107 &10000000000000278000000278  Alaska &100000000000000000000000
54 Knight Island &10000000000000101000000101 &10000000000000260000000260  Alaska &100000000000000000000000
55 Marsh Island &10000000000000100000000100 &10000000000000259000000259  Louisiana &100000000000000000000000
56 Santa Cruz Island &1000000000000009800000098[11] &10000000000000254000000254[11]  California &100000000000000020000002
57 Gravina Island &1000000000000009500000095 &10000000000000245000000245  Alaska &1000000000000005000000050
58 Martha's Vineyard &1000000000000009100000091 &10000000000000236000000236  Massachusetts &1000000000001490100000014,901
59 Agattu &1000000000000009000000090 &10000000000000234000000234  Alaska &100000000000000000000000
60 Semisopochnoi Island &1000000000000008600000086 &10000000000000224000000224  Alaska &100000000000000000000000
61 Johns Island &1000000000000008400000084 &10000000000000217000000217  South Carolina &1000000000001147700000011,477
62 Seguam Island &1000000000000008300000083 &10000000000000215000000215  Alaska &100000000000000010000001
63 Saint Croix &1000000000000008200000082 &10000000000000212000000212  U.S. Virgin Islands &1000000000005323400000053,234
64 Yakobi Island &1000000000000008200000082 &10000000000000212000000212  Alaska &100000000000000000000000
65 Santa Rosa Island &1000000000000008100000081 &10000000000000209000000209  California &100000000000000020000002
66 Raspberry Island &1000000000000007700000077 &10000000000000200000000200  Alaska &100000000000000020000002
67 Dauphin Island &1000000000000007500000075 &10000000000000194000000194  Alabama &100000000000013710000001,371
68 Santa Catalina Island &1000000000000007500000075 &10000000000000194000000194  California &100000000000036960000003,696

[edit] Islands under 75 square miles (190 km2)

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  ?
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[4]  Alaska 0
Tutuila 52 135  American Samoa 55,876
Esther Island 52 133  Alaska 31
Vieques 51 132[3]  Puerto Rico 9,106[3]
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
Wadmalaw Island 42 109  South Carolina 2,611
Baker Island 41 105[4]  Alaska  ?
Dolgoi Island 41 107  Alaska 0
Fidalgo Island 41 107  Washington 20,700
Camano Island 40 105  Washington 13,358
Saint Paul Island 40 104  Alaska 532
Sedanka Island 40 103  Alaska 0
Aquidneck Island/Rhode Island 38 98  Rhode Island 60,870
Vashon Island 37 96  Washington 10,123
Hatteras Island 34 86  North Carolina 4,001
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
Lopez Island 30 77  Washington 2,177
Grand Island 29 73  New York 18,621
Bainbridge Island 28 72  Washington 20,308
Antelope Island 27 68  Utah 0
Saint Thomas 27 70  U.S. Virgin Islands 51,181
Madeline Island 24 62  Wisconsin 246
Washington Island 24 61  Wisconsin 600
Manhattan 23 60  New York 1,537,195
San Nicolas Island 23 59  California 0
Marquette Island 23 59  Michigan 0
Grand Island 22 58  Michigan 45
North Manitou Island 22 58  Michigan 0
Neebish Island 22 56  Michigan 66

[edit] References

  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. http://www.hawaii.gov/dbedt/info/economic/databook/db2004/section05.pdf. Retrieved 2007-10-25. 
  2. ^ a b c "Kodiak Island". Encyclopædia Britannica (Britannica Concise ed.). Encyclopædia Britannica, Inc.. 2007. 9369330. http://concise.britannica.com/ebc/article-9369330/Kodiak-Island. Retrieved 2007-10-28. 
  3. ^ a b c d "PUERTO RICO FACTS and HISTORY". The Office of the Government of the Commonwealth of Puerto Rico. Archived from the original on 2007-12-12. http://web.archive.org/web/20071212041552/http://www.prfaa.com/aboutpr.asp?id=30. Retrieved 2007-10-28. 
  4. ^ a b c d e Carrara, Paul E.; Ager, Thomas A.; Baichtal, James F.; VanSistine, D. Paco (2003). "Map of Glacial Limits and Possible Refugia in the Southern Alexander Archipelago, Alaska, During the Late Wisconsin Glaciation" (Portable Document Format). Miscellaneous Field Studies Map MF–2424. Denver, Colorado: United States Geological Survey. http://pubs.usgs.gov/mf/2003/mf-2424/mf-2424_508.pdf. Retrieved 2007-10-24 
  5. ^ a b c d e Peacock, Elizabeth (2004.12.13). "Glaciers, Mountains, and Salt Water: Assessing Barriers to Movement of a Vagile Species" (Portable Document Format). Kuiu. Reno, Nevada: Alaska Department of Fish and Game. http://wildlife.alaska.gov/pubs/techpubs/research_pdfs/chapter2_kuiu.pdf. Retrieved 2007-10-29 
  6. ^ a b c "Long Island". Encyclopædia Britannica (Britannica Concise ed.). Encyclopædia Britannica, Inc.. 2007. 9370515. http://concise.britannica.com/ebc/article-9370515/Long-Island. Retrieved 2007-10-29. 
  7. ^ "Handbook of Texas Online". Padre Island. University of Texas. http://www.tshaonline.org/handbook/online/articles/PP/rrp1.html. 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." 
  8. ^ a b "Isle Royale National Park - Nature & Science". Isle Royale National Park. National Park Service. 2006-07-25. http://www.nps.gov/isro/naturescience/. Retrieved 2007-10-29. "Isle Royale National Park preserves 132,018 acres (534.26 km2) of land-based wilderness" 
  9. ^ 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 129.1 mi2, and its population was 992 in the year 2000. The township includes a number of apparently uninhabited smaller islands in Potagannissing Bay, and their estimated combined area is not more than four mi2.
  10. ^ a b c "Mount Desert Island". Encyclopædia Britannica. Encyclopædia Britannica, Inc.. 2007. 9054016. http://www.britannica.com/eb/article-9054016/Mount-Desert-Island. Retrieved 2007-10-29. 
  11. ^ a b "Channel Islands". Encyclopædia Britannica (Britannica Concise ed.). Encyclopædia Britannica, Inc.. 2007. 9360314. http://concise.britannica.com/ebc/article-9360314/Channel-Islands. Retrieved 2007-10-29. 
  12. ^ a b c "Nantucket". Encyclopædia Britannica. Encyclopædia Britannica, Inc.. 2007. 9054798. http://www.britannica.com/eb/article-9054798/Nantucket. Retrieved 2007-10-29. 

[edit] See also


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