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Wikipedia list article
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 )
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 75–250 square miles (194–647 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
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
Santa Catalina Island
75
194
California
3,696
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
-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
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[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
Dauphin Island
6.26
16.2
Alabama
1,371
Kelley's Island
4.3
11
Ohio
312
Mackinac Island
3.7
9.7
Michigan
492
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 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 .