County Maps US

US counties by land area

Every county and county-equivalent ranked by land area in square miles. Land area excludes inland and coastal water, which is reported separately on each county page.

Counties with a figure
3,144
every county is covered
Median
615.6 sq mi
half are above, half below
Mean
1,124 sq mi
pulled above the median by the largest counties
Top ten share
12.8%
of the national total, held by ten counties

Source: US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025. Retrieved 30 August 2026.

Download all 3,144 rows as CSVOr read the curated version: Largest Counties in the US by Area and Smallest Counties in the US by Area.

Ranks 1 to 500

US counties by land area, ranks 1 to 500 of 3144. Sortable within this page.
RankCountyStateLand area
1Yukon-Koyukuk Census AreaAlaska145,767 sq mi
2North Slope BoroughAlaska88,793 sq mi
3Bethel Census AreaAlaska40,655 sq mi
4Northwest Arctic BoroughAlaska35,672 sq mi
5Southeast Fairbanks Census AreaAlaska24,839 sq mi
6Matanuska-Susitna BoroughAlaska24,707 sq mi
7Copper River Census AreaAlaska24,647 sq mi
8Lake and Peninsula BoroughAlaska23,897 sq mi
9Nome Census AreaAlaska22,970 sq mi
10San Bernardino CountyCalifornia20,068 sq mi
11Coconino CountyArizona18,616 sq mi
12Dillingham Census AreaAlaska18,353 sq mi
13Nye CountyNevada18,182 sq mi
14Elko CountyNevada17,173 sq mi
15Kusilvak Census AreaAlaska17,151 sq mi
16Kenai Peninsula BoroughAlaska16,018 sq mi
17Mohave CountyArizona13,332 sq mi
18Denali BoroughAlaska12,640 sq mi
19Apache CountyArizona11,198 sq mi
20Lincoln CountyNevada10,633 sq mi
21Sweetwater CountyWyoming10,427 sq mi
22Inyo CountyCalifornia10,197 sq mi
23Harney CountyOregon10,134 sq mi
24Navajo CountyArizona9,949 sq mi
25Malheur CountyOregon9,888 sq mi
26Humboldt CountyNevada9,641 sq mi
27Chugach Census AreaAlaska9,574 sq mi
28Maricopa CountyArizona9,202 sq mi
29Pima CountyArizona9,189 sq mi
30Fremont CountyWyoming9,184 sq mi
31White Pine CountyNevada8,887 sq mi
32Idaho CountyIdaho8,477 sq mi
33Lake CountyOregon8,139 sq mi
34Kern CountyCalifornia8,135 sq mi
35Yavapai CountyArizona8,123 sq mi
36Carbon CountyWyoming7,898 sq mi
37Clark CountyNevada7,892 sq mi
38San Juan CountyUtah7,824 sq mi
39Owyhee CountyIdaho7,668 sq mi
40Yakutat City and BoroughAlaska7,628 sq mi
41Fairbanks North Star BoroughAlaska7,335 sq mi
42Riverside CountyCalifornia7,209 sq mi
43Tooele CountyUtah7,040 sq mi
44Aleutians East BoroughAlaska6,985 sq mi
45Park CountyWyoming6,939 sq mi
46Catron CountyNew Mexico6,924 sq mi
47Millard CountyUtah6,785 sq mi
48Kodiak Island BoroughAlaska6,689 sq mi
49Aroostook CountyMaine6,671 sq mi
50Socorro CountyNew Mexico6,646 sq mi
51Otero CountyNew Mexico6,613 sq mi
52Hoonah-Angoon Census AreaAlaska6,560 sq mi
53Washoe CountyNevada6,316 sq mi
54Siskiyou CountyCalifornia6,279 sq mi
55St. Louis CountyMinnesota6,248 sq mi
56Cochise CountyArizona6,210 sq mi
57Brewster CountyTexas6,184 sq mi
58Chaves CountyNew Mexico6,067 sq mi
59Pershing CountyNevada6,037 sq mi
60Cherry CountyNebraska5,960 sq mi
61Fresno CountyCalifornia5,959 sq mi
62Klamath CountyOregon5,950 sq mi
63Rio Arriba CountyNew Mexico5,861 sq mi
64Box Elder CountyUtah5,781 sq mi
65Beaverhead CountyMontana5,543 sq mi
66Lander CountyNevada5,519 sq mi
67San Juan CountyNew Mexico5,517 sq mi
68Yuma CountyArizona5,514 sq mi
69McKinley CountyNew Mexico5,451 sq mi
70Pinal CountyArizona5,367 sq mi
71Natrona CountyWyoming5,341 sq mi
72Prince of Wales-Hyder Census AreaAlaska5,268 sq mi
73Okanogan CountyWashington5,266 sq mi
74Garfield CountyUtah5,180 sq mi
75Phillips CountyMontana5,140 sq mi
76Flathead CountyMontana5,087 sq mi
77Douglas CountyOregon5,036 sq mi
78Rosebud CountyMontana5,008 sq mi
79Big Horn CountyMontana4,998 sq mi
80Churchill CountyNevada4,950 sq mi
81Valley CountyMontana4,926 sq mi
82Custer CountyIdaho4,922 sq mi
83Sublette CountyWyoming4,886 sq mi
84Ketchikan Gateway BoroughAlaska4,857 sq mi
85Lincoln CountyNew Mexico4,831 sq mi
86Tulare CountyCalifornia4,824 sq mi
87Campbell CountyWyoming4,802 sq mi
88Las Animas CountyColorado4,773 sq mi
89Pecos CountyTexas4,764 sq mi
90Gila CountyArizona4,758 sq mi
91Moffat CountyColorado4,743 sq mi
92San Miguel CountyNew Mexico4,722 sq mi
93Garfield CountyMontana4,677 sq mi
94Graham CountyArizona4,622 sq mi
95Hudspeth CountyTexas4,571 sq mi
96Lemhi CountyIdaho4,564 sq mi
97Lane CountyOregon4,554 sq mi
98Lassen CountyCalifornia4,541 sq mi
99Cibola CountyNew Mexico4,540 sq mi
100Grant CountyOregon4,528 sq mi
101La Paz CountyArizona4,497 sq mi
102Uintah CountyUtah4,483 sq mi
103Emery CountyUtah4,463 sq mi
104Lea CountyNew Mexico4,392 sq mi
105Aleutians West Census AreaAlaska4,387 sq mi
106Fergus CountyMontana4,339 sq mi
107Yakima CountyWashington4,295 sq mi
108Albany CountyWyoming4,274 sq mi
109Converse CountyWyoming4,255 sq mi
110Blaine CountyMontana4,228 sq mi
111San Diego CountyCalifornia4,211 sq mi
112Sierra CountyNew Mexico4,181 sq mi
113Eddy CountyNew Mexico4,176 sq mi
114Eureka CountyNevada4,176 sq mi
115Imperial CountyCalifornia4,175 sq mi
116Johnson CountyWyoming4,154 sq mi
117Lincoln CountyWyoming4,075 sq mi
118Los Angeles CountyCalifornia4,060 sq mi
119Hawaii CountyHawaii4,028 sq mi
120Teton CountyWyoming3,997 sq mi
121Kane CountyUtah3,994 sq mi
122Weld CountyColorado3,985 sq mi
123Chouteau CountyMontana3,973 sq mi
124Grant CountyNew Mexico3,961 sq mi
125Piscataquis CountyMaine3,961 sq mi
126Modoc CountyCalifornia3,948 sq mi
127Somerset CountyMaine3,924 sq mi
128Presidio CountyTexas3,855 sq mi
129Union CountyNew Mexico3,825 sq mi
130Culberson CountyTexas3,812 sq mi
131Doña Ana CountyNew Mexico3,808 sq mi
132Custer CountyMontana3,783 sq mi
133Shasta CountyCalifornia3,776 sq mi
134Colfax CountyNew Mexico3,758 sq mi
135Mineral CountyNevada3,751 sq mi
136Sandoval CountyNew Mexico3,710 sq mi
137Grand CountyUtah3,673 sq mi
138Valley CountyIdaho3,665 sq mi
139Lincoln CountyMontana3,613 sq mi
140Madison CountyMontana3,588 sq mi
141Esmeralda CountyNevada3,582 sq mi
142Humboldt CountyCalifornia3,568 sq mi
143Mendocino CountyCalifornia3,507 sq mi
144Meade CountySouth Dakota3,471 sq mi
145Lewis and Clark CountyMontana3,458 sq mi
146Hidalgo CountyNew Mexico3,439 sq mi
147Penobscot CountyMaine3,397 sq mi
148Juab CountyUtah3,392 sq mi
149Webb CountyTexas3,361 sq mi
150Torrance CountyNew Mexico3,345 sq mi
151Carter CountyMontana3,340 sq mi
152Mesa CountyColorado3,329 sq mi
153San Luis Obispo CountyCalifornia3,301 sq mi
154Powder River CountyMontana3,298 sq mi
155Iron CountyUtah3,296 sq mi
156Monterey CountyCalifornia3,282 sq mi
157Gunnison CountyColorado3,239 sq mi
158Duchesne CountyUtah3,236 sq mi
159Rio Blanco CountyColorado3,221 sq mi
160Umatilla CountyOregon3,215 sq mi
161Trinity CountyCalifornia3,179 sq mi
162Saguache CountyColorado3,169 sq mi
163Wallowa CountyOregon3,146 sq mi
164Val Verde CountyTexas3,145 sq mi
165Big Horn CountyWyoming3,137 sq mi
166Koochiching CountyMinnesota3,105 sq mi
167Elmore CountyIdaho3,075 sq mi
168Baker CountyOregon3,068 sq mi
169Mono CountyCalifornia3,049 sq mi
170Guadalupe CountyNew Mexico3,030 sq mi
171Deschutes CountyOregon3,018 sq mi
172Glacier CountyMontana2,995 sq mi
173Crook CountyOregon2,979 sq mi
174Luna CountyNew Mexico2,965 sq mi
175Tehama CountyCalifornia2,949 sq mi
176Garfield CountyColorado2,947 sq mi
177Chelan CountyWashington2,921 sq mi
178Petersburg BoroughAlaska2,901 sq mi
179Hill CountyMontana2,899 sq mi
180Quay CountyNew Mexico2,874 sq mi
181Perkins CountySouth Dakota2,870 sq mi
182Sitka City and BoroughAlaska2,870 sq mi
183Crook CountyWyoming2,854 sq mi
184Crockett CountyTexas2,807 sq mi
185Park CountyMontana2,802 sq mi
186Jackson CountyOregon2,783 sq mi
187Pennington CountySouth Dakota2,777 sq mi
188Sanders CountyMontana2,760 sq mi
189McKenzie CountyNorth Dakota2,760 sq mi
190Santa Barbara CountyCalifornia2,734 sq mi
191Juneau City and BoroughAlaska2,703 sq mi
192Cascade CountyMontana2,698 sq mi
193Laramie CountyWyoming2,686 sq mi
194Grant CountyWashington2,680 sq mi
195St. Lawrence CountyNew York2,680 sq mi
196Harding CountySouth Dakota2,672 sq mi
197Itasca CountyMinnesota2,667 sq mi
198McCone CountyMontana2,642 sq mi
199Blaine CountyIdaho2,638 sq mi
200Shoshone CountyIdaho2,637 sq mi
201Reeves CountyTexas2,635 sq mi
202Yellowstone CountyMontana2,633 sq mi
203Niobrara CountyWyoming2,626 sq mi
204Gallatin CountyMontana2,605 sq mi
205Larimer CountyColorado2,596 sq mi
206Missoula CountyMontana2,593 sq mi
207Beaver CountyUtah2,583 sq mi
208Lincoln CountyColorado2,578 sq mi
209Custer CountyNebraska2,575 sq mi
210Cassia CountyIdaho2,566 sq mi
211Lincoln CountyNebraska2,564 sq mi
212Washington CountyMaine2,563 sq mi
213Wrangell City and BoroughAlaska2,556 sq mi
214Baca CountyColorado2,555 sq mi
215Plumas CountyCalifornia2,553 sq mi
216Sheridan CountyWyoming2,523 sq mi
217Washington CountyColorado2,518 sq mi
218Beltrami CountyMinnesota2,505 sq mi
219Stevens CountyWashington2,477 sq mi
220Corson CountySouth Dakota2,470 sq mi
221Wayne CountyUtah2,461 sq mi
222Clearwater CountyIdaho2,457 sq mi
223Roosevelt CountyNew Mexico2,446 sq mi
224Sheridan CountyNebraska2,440 sq mi
225Washington CountyUtah2,428 sq mi
226Holt CountyNebraska2,412 sq mi
227Lewis CountyWashington2,403 sq mi
228Weston CountyWyoming2,398 sq mi
229Meagher CountyMontana2,392 sq mi
230Ravalli CountyMontana2,391 sq mi
231Pueblo CountyColorado2,387 sq mi
232Wasco CountyOregon2,381 sq mi
233Dawson CountyMontana2,372 sq mi
234Yuma CountyColorado2,364 sq mi
235Routt CountyColorado2,362 sq mi
236Terrell CountyTexas2,358 sq mi
237Roosevelt CountyMontana2,355 sq mi
238Haines BoroughAlaska2,335 sq mi
239Powell CountyMontana2,326 sq mi
240De Baca CountyNew Mexico2,323 sq mi
241Lincoln CountyWashington2,311 sq mi
242Dewey CountySouth Dakota2,302 sq mi
243Kittitas CountyWashington2,297 sq mi
244Linn CountyOregon2,290 sq mi
245Teton CountyMontana2,272 sq mi
246Jeff Davis CountyTexas2,265 sq mi
247Butte CountySouth Dakota2,250 sq mi
248Osage CountyOklahoma2,247 sq mi
249Montrose CountyColorado2,241 sq mi
250Washakie CountyWyoming2,239 sq mi
251Butte CountyIdaho2,236 sq mi
252Goshen CountyWyoming2,226 sq mi
253Stutsman CountyNorth Dakota2,222 sq mi
254Tuolumne CountyCalifornia2,221 sq mi
255Ferry CountyWashington2,203 sq mi
256Taos CountyNew Mexico2,202 sq mi
257Park CountyColorado2,194 sq mi
258Kit Carson CountyColorado2,161 sq mi
259Whitman CountyWashington2,159 sq mi
260Madera CountyCalifornia2,137 sq mi
261El Paso CountyColorado2,126 sq mi
262Harding CountyNew Mexico2,125 sq mi
263Edwards CountyTexas2,118 sq mi
264King CountyWashington2,116 sq mi
265McLean CountyNorth Dakota2,110 sq mi
266Lake CountyMinnesota2,109 sq mi
267Whatcom CountyWashington2,108 sq mi
268Bingham CountyIdaho2,094 sq mi
269Oglala Lakota CountySouth Dakota2,094 sq mi
270Snohomish CountyWashington2,087 sq mi
271Richland CountyMontana2,085 sq mi
272Uinta CountyWyoming2,082 sq mi
273Platte CountyWyoming2,081 sq mi
274Williams CountyNorth Dakota2,078 sq mi
275Oxford CountyMaine2,077 sq mi
276Sioux CountyNebraska2,067 sq mi
277Carbon CountyMontana2,048 sq mi
278Texas CountyOklahoma2,041 sq mi
279Union CountyOregon2,037 sq mi
280Morrow CountyOregon2,031 sq mi
281Montezuma CountyColorado2,029 sq mi
282Cass CountyMinnesota2,021 sq mi
283Ward CountyNorth Dakota2,013 sq mi
284Dunn CountyNorth Dakota2,008 sq mi
285Utah CountyUtah2,004 sq mi
286Hot Springs CountyWyoming2,004 sq mi
287Lyon CountyNevada2,003 sq mi
288Collier CountyFlorida1,997 sq mi
289Otter Tail CountyMinnesota1,972 sq mi
290Polk CountyMinnesota1,971 sq mi
291Palm Beach CountyFlorida1,964 sq mi
292Ziebach CountySouth Dakota1,961 sq mi
293Merced CountyCalifornia1,938 sq mi
294Mora CountyNew Mexico1,926 sq mi
295Morton CountyNorth Dakota1,926 sq mi
296Adams CountyWashington1,925 sq mi
297Twin Falls CountyIdaho1,922 sq mi
298Toole CountyMontana1,915 sq mi
299Sevier CountyUtah1,910 sq mi
300Santa Fe CountyNew Mexico1,910 sq mi
301Grays Harbor CountyWashington1,902 sq mi
302Miami-Dade CountyFlorida1,900 sq mi
303Boise CountyIdaho1,899 sq mi
304McHenry CountyNorth Dakota1,874 sq mi
305Klickitat CountyWashington1,872 sq mi
306Clackamas CountyOregon1,871 sq mi
307Summit CountyUtah1,871 sq mi
308Judith Basin CountyMontana1,870 sq mi
309Musselshell CountyMontana1,869 sq mi
310Bonneville CountyIdaho1,866 sq mi
311Fremont CountyIdaho1,864 sq mi
312Jackson CountySouth Dakota1,864 sq mi
313Sweet Grass CountyMontana1,856 sq mi
314McCurtain CountyOklahoma1,851 sq mi
315Elbert CountyColorado1,850 sq mi
316Grand CountyColorado1,847 sq mi
317Greenlee CountyArizona1,843 sq mi
318Ventura CountyCalifornia1,841 sq mi
319Logan CountyColorado1,839 sq mi
320Cimarron CountyOklahoma1,835 sq mi
321Mountrail CountyNorth Dakota1,825 sq mi
322Aitkin CountyMinnesota1,821 sq mi
323Douglas CountyWashington1,819 sq mi
324Beaver CountyOklahoma1,815 sq mi
325Haakon CountySouth Dakota1,811 sq mi
326Marquette CountyMichigan1,809 sq mi
327Jefferson CountyWashington1,804 sq mi
328Polk CountyFlorida1,798 sq mi
329Stillwater CountyMontana1,797 sq mi
330Coos CountyNew Hampshire1,795 sq mi
331Essex CountyNew York1,794 sq mi
332Duval CountyTexas1,793 sq mi
333Jefferson CountyOregon1,782 sq mi
334Cheyenne CountyColorado1,778 sq mi
335Marshall CountyMinnesota1,775 sq mi
336Kiowa CountyColorado1,768 sq mi
337Cass CountyNorth Dakota1,765 sq mi
338Spokane CountyWashington1,764 sq mi
339Caribou CountyIdaho1,764 sq mi
340Clark CountyIdaho1,763 sq mi
341Fall River CountySouth Dakota1,740 sq mi
342Clallam CountyWashington1,739 sq mi
343Prairie CountyMontana1,737 sq mi
344Bonner CountyIdaho1,733 sq mi
345Skagit CountyWashington1,730 sq mi
346Granite CountyMontana1,727 sq mi
347Hamilton CountyNew York1,717 sq mi
348Wheeler CountyOregon1,716 sq mi
349Brown CountySouth Dakota1,713 sq mi
350Grafton CountyNew Hampshire1,709 sq mi
351El Dorado CountyCalifornia1,708 sq mi
352Harris CountyTexas1,707 sq mi
353Anchorage MunicipalityAlaska1,707 sq mi
354Garden CountyNebraska1,705 sq mi
355Benton CountyWashington1,700 sq mi
356Franklin CountyMaine1,697 sq mi
357La Plata CountyColorado1,690 sq mi
358Eagle CountyColorado1,684 sq mi
359Sheridan CountyMontana1,677 sq mi
360Roseau CountyMinnesota1,672 sq mi
361Bottineau CountyNorth Dakota1,669 sq mi
362Pierce CountyWashington1,668 sq mi
363Grant CountyNorth Dakota1,659 sq mi
364Skamania CountyWashington1,658 sq mi
365Jefferson CountyMontana1,657 sq mi
366Petroleum CountyMontana1,656 sq mi
367Lyman CountySouth Dakota1,642 sq mi
368Josephine CountyOregon1,639 sq mi
369Prowers CountyColorado1,638 sq mi
370Butte CountyCalifornia1,637 sq mi
371Burleigh CountyNorth Dakota1,633 sq mi
372Franklin CountyNew York1,629 sq mi
373Curry CountyOregon1,628 sq mi
374Pondera CountyMontana1,625 sq mi
375Fallon CountyMontana1,621 sq mi
376Jackson CountyColorado1,614 sq mi
377Tripp CountySouth Dakota1,612 sq mi
378Coos CountyOregon1,596 sq mi
379Huerfano CountyColorado1,591 sq mi
380Baldwin CountyAlabama1,590 sq mi
381Sanpete CountyUtah1,590 sq mi
382Le Flore CountyOklahoma1,589 sq mi
383Marion CountyFlorida1,588 sq mi
384Hancock CountyMaine1,587 sq mi
385Sonoma CountyCalifornia1,575 sq mi
386Hidalgo CountyTexas1,571 sq mi
387Chippewa CountyMichigan1,559 sq mi
388Custer CountySouth Dakota1,557 sq mi
389Uvalde CountyTexas1,552 sq mi
390Marathon CountyWisconsin1,545 sq mi
391Fremont CountyColorado1,534 sq mi
392Tom Green CountyTexas1,522 sq mi
393Bent CountyColorado1,513 sq mi
394Worcester CountyMassachusetts1,511 sq mi
395Emmons CountyNorth Dakota1,508 sq mi
396Spink CountySouth Dakota1,503 sq mi
397Dallam CountyTexas1,503 sq mi
398Gaines CountyTexas1,502 sq mi
399Andrews CountyTexas1,501 sq mi
400Oldham CountyTexas1,501 sq mi
401Deaf Smith CountyTexas1,497 sq mi
402Stanislaus CountyCalifornia1,496 sq mi
403Barnes CountyNorth Dakota1,492 sq mi
404Lake CountyMontana1,491 sq mi
405Cavalier CountyNorth Dakota1,489 sq mi
406La Salle CountyTexas1,487 sq mi
407Carbon CountyUtah1,479 sq mi
408Bayfield CountyWisconsin1,478 sq mi
409Hartley CountyTexas1,462 sq mi
410Kenedy CountyTexas1,459 sq mi
411Sutton CountyTexas1,454 sq mi
412Washington CountyIdaho1,453 sq mi
413Cook CountyMinnesota1,453 sq mi
414Mariposa CountyCalifornia1,449 sq mi
415Stanley CountySouth Dakota1,444 sq mi
416Delaware CountyNew York1,443 sq mi
417Hand CountySouth Dakota1,437 sq mi
418Grand Forks CountyNorth Dakota1,436 sq mi
419Richland CountyNorth Dakota1,436 sq mi
420Liberty CountyMontana1,430 sq mi
421Butler CountyKansas1,430 sq mi
422Daniels CountyMontana1,426 sq mi
423Morrill CountyNebraska1,424 sq mi
424Wheatland CountyMontana1,422 sq mi
425Pine CountyMinnesota1,411 sq mi
426Herkimer CountyNew York1,411 sq mi
427Placer CountyCalifornia1,407 sq mi
428Curry CountyNew Mexico1,406 sq mi
429Power CountyIdaho1,404 sq mi
430Pend Oreille CountyWashington1,400 sq mi
431Marinette CountyWisconsin1,399 sq mi
432Dawes CountyNebraska1,396 sq mi
433Pushmataha CountyOklahoma1,396 sq mi
434San Joaquin CountyCalifornia1,392 sq mi
435Kings CountyCalifornia1,391 sq mi
436Steuben CountyNew York1,391 sq mi
437San Benito CountyCalifornia1,389 sq mi
438Todd CountySouth Dakota1,389 sq mi
439Benson CountyNorth Dakota1,389 sq mi
440Brazoria CountyTexas1,363 sq mi
441Adams CountyIdaho1,363 sq mi
442Kinney CountyTexas1,361 sq mi
443Kidder CountyNorth Dakota1,351 sq mi
444Archuleta CountyColorado1,350 sq mi
445Stearns CountyMinnesota1,343 sq mi
446Stark CountyNorth Dakota1,335 sq mi
447Dimmit CountyTexas1,329 sq mi
448Osceola CountyFlorida1,327 sq mi
449Vernon ParishLouisiana1,327 sq mi
450Medina CountyTexas1,325 sq mi
451Rapides ParishLouisiana1,324 sq mi
452Tuscaloosa CountyAlabama1,321 sq mi
453Becker CountyMinnesota1,315 sq mi
454Glenn CountyCalifornia1,314 sq mi
455Ontonagon CountyMichigan1,311 sq mi
456Schleicher CountyTexas1,311 sq mi
457Cattaraugus CountyNew York1,308 sq mi
458Mellette CountySouth Dakota1,307 sq mi
459Pittsburg CountyOklahoma1,306 sq mi
460Douglas CountyWisconsin1,304 sq mi
461Finney CountyKansas1,302 sq mi
462Lake of the Woods CountyMinnesota1,298 sq mi
463Zavala CountyTexas1,297 sq mi
464Santa Clara CountyCalifornia1,291 sq mi
465Conejos CountyColorado1,287 sq mi
466San Miguel CountyColorado1,287 sq mi
467Woods CountyOklahoma1,286 sq mi
468Cameron ParishLouisiana1,285 sq mi
469Walsh CountyNorth Dakota1,282 sq mi
470Morgan CountyColorado1,280 sq mi
471Maverick CountyTexas1,279 sq mi
472Caddo CountyOklahoma1,278 sq mi
473Lewis CountyNew York1,276 sq mi
474Wells CountyNorth Dakota1,271 sq mi
475Walla Walla CountyWashington1,270 sq mi
476Boundary CountyIdaho1,269 sq mi
477Jefferson CountyNew York1,268 sq mi
478Coleman CountyTexas1,263 sq mi
479Otero CountyColorado1,262 sq mi
480Divide CountyNorth Dakota1,261 sq mi
481Beadle CountySouth Dakota1,259 sq mi
482Sawyer CountyWisconsin1,258 sq mi
483Reno CountyKansas1,255 sq mi
484Lake CountyCalifornia1,255 sq mi
485Price CountyWisconsin1,254 sq mi
486Natchitoches ParishLouisiana1,253 sq mi
487Kimble CountyTexas1,251 sq mi
488Woodward CountyOklahoma1,243 sq mi
489Franklin CountyWashington1,242 sq mi
490Upton CountyTexas1,241 sq mi
491Bexar CountyTexas1,240 sq mi
492Clarke CountyAlabama1,238 sq mi
493Kootenai CountyIdaho1,238 sq mi
494Santa Cruz CountyArizona1,236 sq mi
495Ellis CountyOklahoma1,231 sq mi
496Houston CountyTexas1,231 sq mi
497Terrebonne ParishLouisiana1,230 sq mi
498Mobile CountyAlabama1,229 sq mi
499Lycoming CountyPennsylvania1,229 sq mi
500Costilla CountyColorado1,228 sq mi

Other complete tables

Rebuilt from source data 30 August 2026. How these figures are produced.