50 Largest Counties (By Area)

Listed below are the 50 Largest Counties in terms of area. In parentheses is the county seat of government. (This does not include the boroughs of Alaska). The first county in this list is a little smaller than the state of West Virginia and the last county is bigger than 3 states (Connecticut, Delaware, and Rhode Island).

1- San Bernardino, CA (San Bernardino) - 20,062.32 sq. mi.
2- Coconino, AZ (Flagstaff) - 18,619.21 sq. mi.
3- Nye, NV (Tonopah) - 18,147.32 sq. mi.
4- Elko, NV (Elko) - 17,181.64 sq. mi.
5- Mohave, AZ (Kingman) - 13,312.48 sq. mi.
6- Apache, AZ (Saint Johns) - 11,205.73 sq. mi.
7- Lincoln, NV (Pioche) - 10,634.74 sq. mi.
8- Sweetwater, WY (Green River) - 10,425.91 sq. mi.
9- Inyo, CA (Independence) - 10,192.12 sq. mi.
10- Harney, OR (Burns) - 10,134.94 sq. mi.
11- Navajo, AZ (Holbrook) - 9,953.85 sq. mi.
12- Malheur, OR (Vale) - 9,887.79 sq. mi.
13- Humboldt, NV (Winnemucca) - 9,648.39 sq. mi.
14- Maricopa, AZ (Phoenix) - 9,204.09 sq. mi.
15- Pima, AZ (Tucson) - 9,187.05 sq. mi.
16- Fremont, WY (Lander) - 9,182.73 sq. mi.
17- White Pine, NV (Ely) - 8,876.61 sq. mi.
18- Idaho, ID (Grangeville) - 8,485.23 sq. mi.
19- Kern, CA (Bakersfield) - 8,141.66 sq. mi.
20- Lake, OR (Lakeview) - 8,136.37 sq. mi.
21- Yavapai, AZ (Prescott) - 8,123.58 sq. mi.
22- Clark, NV (Las Vegas) - 7,910.74 sq. mi.
23- Carbon, WY (Rawlins) - 7,896.61 sq. mi.
24- San Juan, UT (Monticello) - 7,820.76 sq. mi.
25- Owyhee, ID (Murphy) - 7,678.43 sq. mi.
26- Riverside, CA (Riverside) - 7,208.18 sq. mi.
27- Tooele, UT (Tooele) - 6,945.95 sq. mi.
28- Park, WY (Cody) - 6,942.76 sq. mi.
29- Catron, NM (Reserve) - 6,928.30 sq. mi.
30- Aroostook, ME (Houlton) - 6,671.97 sq. mi.
31- Socorro, NM (Socorro) - 6,647.10 sq. mi.
32- Otero, NM (Alamogordo) - 6,626.97 sq. mi.
33- Millard, UT (Fillmore) - 6,589.65 sq. mi.
34- Washoe, NV (Reno) - 6,342.50 sq. mi.
35- Siskiyou, CA (Yreka) - 6,287.29 sq. mi.
36- Saint Louis, MN (Duluth) - 6,225.69 sq. mi.
37- Brewster, TX (Alpine) - 6,193.07 sq. mi.
38- Cochise, AZ (Bisbee) - 6,170.02 sq. mi.
39- Chaves, NM (Roswell) - 6,071.42 sq. mi.
40- Pershing, NV (Lovelock) - 6,009.14 sq. mi.
41- Fresno, CA (Fresno) - 5,963.23 sq. mi.
42- Cherry, NE (Valentine) - 5,960.77 sq. mi.
43- Klamath, OR (Klamath Falls) - 5,944.64 sq. mi.
44- Rio Arriba, NM (Tierra Amarilla) - 5,858.08 sq. mi.
45- Box Elder, UT (Brigham City) - 5,723.71 sq. mi.
46- Beaverhead, MT (Dillon) - 5,542.64 sq. mi.
47- Yuma, AZ (Yuma) - 5,514.46 sq. mi.
48- San Juan, NM (Aztec) - 5,514.42 sq. mi.
49- Lander, NV (Battle Mountain) - 5,493.57 sq. mi.
50- McKinley, NM (Gallup) - 5,449.15 sq. mi.

Last Updated: January 2, 2001
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