List of islands of the United States by area
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 75 square miles (190 km2)
Rank | Island's Name | Area (sq mi) | Area (km2) | Location | Population (2010) |
---|---|---|---|---|---|
1 | Hawaii 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 | 3,513[3] | 9,100[3] | Puerto Rico | 3,285,874[4] |
4 | Prince of Wales Island | 2,577 | 6,675[5][6] | 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[5] | Alaska | 8,532 |
11 | Long Island | 1,401[7] | 3,629[7] | New York | 7,568,304[7] |
12 | Revillagigedo Island | 1,145 | 2,965[6] | Alaska | 13,477 |
13 | Kupreanof Island | 1,086 | 2,813[6] | 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[6] | 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 | Oahu | 597[1] | 1,545[1] | Hawaii | 953,207 |
21 | Kauai | 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 | Molokai | 260[1] | 673[1] | Hawaii | 7,345 |
28 | Dall Island | 253 | 655[5] | Alaska | 20 |
29 | Wrangell Island | 216 | 560 | Alaska | 2,401 |
30 | Mitkof Island | 211 | 546[6] | Alaska | 3,364 |
31 | Padre Island | 209[8] | 542 | Texas | 2,816 |
32 | Guam | 209 | 541 | Guam | 154,805 |
33 | Isle Royale | 206[9] | 534[9] | 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 | Lanai | 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[10] | 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[11] | 280[11] | Maine | 10,424[11] |
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[12] | 254[12] | 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 | Santa Catalina Island | 75 | 194 | California | 3,696 |
Islands 5–75 square miles (13–194 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 |
---|---|---|---|---|
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 |
Edisto Island | 68 | 176 | South Carolina | 2,301 |
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 | 0 |
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 |
St. Michael Island | 56 | 145 | Alaska | 915 |
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[5] | Alaska | 0 |
Tutuila | 52 | 135 | American Samoa | 55,876 |
Esther Island | 52 | 133 | Alaska | 31 |
Vieques | 51 | 132[13] | Puerto Rico | 9,106[13] |
Sanak Island | 50 | 128 | Alaska | 0 |
Sugar Island | 49 | 128 | Michigan | 652 |
Bois Blanc Island | 49 | 127 | Michigan | 71 |
Nantucket | 48[14] | 124[14] | Massachusetts | 9,520[14] |
Davis Island | 46 | 120 | Louisiana Mississippi | 0 |
Kagalaska Island | 45 | 116 | Alaska | 0 |
Kahoolawe | 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[5] | Alaska | 0 |
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 |
Assateague Island | 24.4 | 63 | Maryland Virginia | 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 |
Oak Island | 21 | 53 | North Carolina | 8,386 |
Tuxekan Island | 20 | 53 | Alaska | 0 |
Saint John | 20 | 51 | U.S. Virgin Islands | 4,007 |
Harstine Island | 18.65 | 48.3 | Washington | 1,412 |
Amelia Island | 18.2 | 47.1 | Florida | 10,716 |
Pagan | 18 | 47 | Northern Mariana Islands | 7 |
Roanoke Island | 17.95 | 46.5 | North Carolina | 6,724 |
Georgetown Island | 17.4 | 45.0 | Maine | 1,058 |
Taʻū | 17.11 | 44.31 | American Samoa | 790 |
Agrihan | 17.01 | 44.05 | Northern Mariana Islands | 0 |
Sanibel Island | 16.18 | 41.90 | Florida | 6,382 |
Stockton Island | 15.5 | 40 | Wisconsin | 0 |
Key Largo | 15.25 | 39.49 | Florida | 12,447 |
Fenwick Island | 15 | 38 | Delaware Maryland | 8,002 |
San Miguel Island | 15 | 38 | California | 0 |
Anatahan | 13.09 | 33.91 | Northern Mariana Islands | 0 |
Wellesley Island | 13 | 33 | New York | 368 |
Islesboro Island | 12.4 | 32.1 | Maine | 583 |
Outer Island | 12.3 | 31.8 | Wisconsin | 0 |
Shelter Island | 12.19 | 31.58 | New York | 2,413 |
Marco Island | 12.1 | 31.5 | Florida | 15,760 |
Culebra | 11.64 | 30.9 | Puerto Rico | 1,314 |
North Haven | 11.6 | 30.1 | Maine | 417 |
Bogue Banks | 11.3 | 29.1 | North Carolina | ~6,600 |
Kiawah Island | 11.17 | 28.93 | South Carolina | 1,769 |
Swan's Island | 10.9 | 28.4 | Maine | 355 |
Mockhorn Island | 10.9 | 28.3 | Virginia | 0 |
Isle au Haut | 10.7 | 27.6 | Maine | 92 |
Marsh Island | 10.2 | 26.4 | Maine | ~7,000 |
Grosse Ile | 9.6 | 24.9 | Michigan | 10,894 |
Sebascodegan Island | 9.6 | 24.8 | Maine | <5,000 |
Conanicut Island | 9.4 | 25.1 | Rhode Island | 5,622 |
Lummi Island | 9.25 | 24 | Washington | 822 |
Block Island | 9 | 25 | Rhode Island | 1,051 |
Westport Island | 8.81 | 22.82 | Maine | 719 |
Cypress Island | 8.6 | 22.3 | Washington | 40 |
Guemes Island | 8.6 | 22.3 | Washington | 605 |
Ocracoke Island | 8.6 | 22.3 | North Carolina | 797 |
Grindstone Island | 8.5 | 22.1 | New York | ~20-700 |
Absecon Island | 8.2 | 21.2 | New Jersey | 57,457 |
Grand Isle | 8.17 | 21.17 | Louisiana | 1,005 |
South Manitou Island | 8 | 21 | Michigan | 0 |
Oak Island | 7.9 | 20.3 | Wisconsin | 0 |
Garden Island | 7.8 | 20.2 | Michigan | 0 |
Anderson Island | 7.75 | 20.1 | Washington | 1,037 |
Arrowsic Island | 7.75 | 20.07 | Maine | 477 |
Shaw Island | 7.7 | 20.0 | Washington | 240 |
Bulls Island | 7.66 | 19.8 | South Carolina | 0 |
Puget Island | 7.5 | 19.4 | Washington | 831 |
Naushon Island | 7.4 | 19 | Massachusetts | 30 |
Mercer Island | 7 | 17 | Washington | 22,036 |
McNeil Island | 6.63 | 17.2 | Washington | 214 |
Sugar Island | 6.575 | 17.03 | Maine | 0 |
Blakely Island | 6.5 | 16.9 | Washington | 56 |
Marrowstone Island | 6.3 | 16.4 | Washington | 844 |
Dauphin Island | 6.26 | 16.2 | Alabama | 1,371 |
Verona Island | 6.24 | 16.16 | Maine | 507 |
Shemya | 5.9 | 15.3 | Alaska | 0 |
Prudence Island | 5.57 | 14.43 | Rhode Island | 278 |
South Core Banks | 5.5 | 14.2 | North Carolina | 0 |
High Island (Michigan) | 5.5 | 14.1 | Michigan | 0 |
South Fox Island | 5.4 | 13.9 | Michigan | 0 |
Fox Island | 5.2 | 13.5 | Washington | 3,633 |
Gardiners Island | 5.184 | 13.43 | New York | 0 |
See also
References
- ^ a b c d e f g h i j k l m n o p "Table 5.08 - Land Area of Islands: 2000" (PDF). The State of Hawaii Data Book 2004. State of Hawaii. 2004. Retrieved October 25, 2007.
- ^ a b c "Kodiak Island". Encyclopædia Britannica (Britannica Concise ed.). Encyclopædia Britannica, Inc. 2007. 9369330. Archived from the original on January 17, 2008. Retrieved October 28, 2007.
- ^ a b "State Area Measurements and Internal Point Coordinates". United States Census Bureau. Retrieved February 24, 2024.
- ^ "Table 2. Resident Population for the 50 States, the District of Columbia, and Puerto Rico: 2020 Census" (PDF). United States Census Bureau. April 26, 2021. Retrieved April 26, 2021.
- ^ a b c d e Carrara, Paul E.; Ager, Thomas A.; Baichtal, James F.; VanSistine, D. Paco (2003). "Miscellaneous Field Studies Map MF–2424" (PDF). Map of Glacial Limits and Possible Refugia in the Southern Alexander Archipelago, Alaska, During the Late Wisconsin Glaciation. Denver, Colorado: United States Geological Survey. Retrieved October 24, 2007.
- ^ a b c d e Peacock, Elizabeth (December 13, 2004). "Kuiu" (PDF). Glaciers, Mountains, and Salt Water: Assessing Barriers to Movement of a Vagile Species. Reno, Nevada: Alaska Department of Fish and Game. Retrieved October 29, 2007.
- ^ a b c "Long Island". Encyclopædia Britannica (Britannica Concise ed.). Encyclopædia Britannica, Inc. 2007. 9370515. Archived from the original on November 5, 2007. Retrieved October 29, 2007.
- ^ "Padre Island". Handbook of Texas Online. University of Texas. Retrieved November 12, 2007.
Padre Island comprises a total of 133,918 acres (541.95 km2) in Nueces, Kleberg, Willacy, Cameron, and Kenedy County, Texas.
- ^ a b "Isle Royale National Park - Nature & Science". Isle Royale National Park. National Park Service. July 25, 2006. Retrieved October 29, 2007.
Isle Royale National Park preserves 132,018 acres (534.26 km2) of land-based wilderness
- ^ 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.
- ^ a b c "Mount Desert Island". Encyclopædia Britannica. Encyclopædia Britannica, Inc. 2007. 9054016. Retrieved October 29, 2007.
- ^ a b "Channel Islands". Encyclopædia Britannica (Britannica Concise ed.). Encyclopædia Britannica, Inc. 2007. 9360314. Archived from the original on June 4, 2006. Retrieved October 29, 2007.
- ^ a b "PUERTO RICO FACTS and HISTORY". U.S. Census Bureau. Archived from the original on February 12, 2020. Retrieved May 23, 2008.
- ^ a b c "Nantucket". Encyclopædia Britannica. Encyclopædia Britannica, Inc. 2007. 9054798. Retrieved October 29, 2007.