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RANKING · 2022 ACS · 500 SHOWN OF 3,144

Most extreme-heat days, US counties

US counties ranked by the number of days in 2022 that reached at least 90°F, from the heat-exposure data (NOAA North American Regional Reanalysis) published with the Census Bureau's experimental Community Resilience Estimates for Heat. Yuma County, Arizona leads at 156. 3,144 counties qualify in total. Texas carries 22 of the top 25 entries.

All statesAll rankings
RELATEDMost socially vulnerableLeast socially vulnerableMost socially vulnerable peopleMost homes without air conditioningMost homes without air conditioning (total)Most vulnerable to extreme heat
RANKPLACESTATEPOPEXTREME-HEAT DAYS (90°F+)VS –
01Yuma County, AZAZ224,449156
02Imperial County, CACA181,411156
03Maricopa County, AZAZ4,689,558147
04Hidalgo County, TXTX921,549128
05Starr County, TXTX66,319128
06Zavala County, TXTX9,037125
07Karnes County, TXTX15,018123
08Wilson County, TXTX56,139123
09Maverick County, TXTX58,823118
10Ward County, TXTX11,125118
11Bexar County, TXTX2,160,088117
12Comal County, TXTX209,166117
13Guadalupe County, TXTX201,111117
14Llano County, TXTX23,353117
15Atascosa County, TXTX53,590109
16La Salle County, TXTX6,517109
17Medina County, TXTX56,881109
18Dimmit County, TXTX8,024109
19Frio County, TXTX18,823109
20Webb County, TXTX281,224109
21Duval County, TXTX9,402108
22Brooks County, TXTX6,579108
23Jim Hogg County, TXTX4,555108
24Live Oak County, TXTX11,929108
25McMullen County, TXTX544108
26Zapata County, TXTX13,753108
27Bee County, TXTX32,515107
28La Paz County, AZAZ16,711104
29Pinal County, AZAZ539,38099
30Caldwell County, TXTX55,15096
31Crane County, TXTX4,55492
32Kinney County, TXTX3,12892
33Uvalde County, TXTX24,96392
34DeWitt County, TXTX20,30991
35Kern County, CACA927,06891
36Crockett County, TXTX2,76991
37Edwards County, TXTX1,37091
38Gonzales County, TXTX20,15991
39Irion County, TXTX1,46391
40Kimble County, TXTX4,43891
41Reagan County, TXTX3,16691
42Sterling County, TXTX1,34991
43Sutton County, TXTX3,20391
44Tulare County, CACA485,14691
45Val Verde County, TXTX47,83591
46Austin County, TXTX33,62590
47Bastrop County, TXTX118,90890
48Brazos County, TXTX249,08890
49Fayette County, TXTX25,45990
50Grimes County, TXTX34,25290
51Hays County, TXTX304,39090
52Lee County, TXTX18,72990
53Milam County, TXTX26,25890
54Burleson County, TXTX20,54990
55Walker County, TXTX83,84290
56Washington County, TXTX38,28890
57Travis County, TXTX1,389,67089
58Angelina County, TXTX88,15489
59Bell County, TXTX402,24889
60Blanco County, TXTX13,58189
61Bosque County, TXTX18,91889
62Coryell County, TXTX85,59289
63Falls County, TXTX17,86989
64Hill County, TXTX39,50389
65Kendall County, TXTX53,28989
66Lampasas County, TXTX23,65789
67McCulloch County, TXTX7,47289
68Mason County, TXTX3,99089
69Menard County, TXTX1,95689
70Midland County, TXTX187,85589
71Schleicher County, TXTX2,24589
72Tom Green County, TXTX120,60289
73Williamson County, TXTX752,82789
74Concho County, TXTX3,60789
75Gillespie County, TXTX28,52788
76Glasscock County, TXTX1,12888
77Leon County, TXTX16,89488
78McLennan County, TXTX272,02088
79Madison County, TXTX14,22688
80Martin County, TXTX5,28488
81Robertson County, TXTX17,83988
82Limestone County, TXTX22,84988
83Burnet County, TXTX57,01588
84Freestone County, TXTX20,81188
85Kings County, CACA154,32787
87Waller County, TXTX69,85887
88Merced County, CACA297,26086
89Nacogdoches County, TXTX66,03586
90San Jacinto County, TXTX29,48885
91Trinity County, TXTX14,38485
92Montgomery County, TXTX781,19485
93Inyo County, CACA18,15884
94Houston County, TXTX22,31684
95Pecos County, TXTX14,56084
96Terrell County, TXTX70284
97Upton County, TXTX3,13184
98San Bernardino County, CACA2,224,09184
99Culberson County, TXTX2,26783
100Reeves County, TXTX12,13883
101Ector County, TXTX173,80182
102Winkler County, TXTX7,54082
103Jim Wells County, TXTX38,80481
104Kleberg County, TXTX30,31581
105San Patricio County, TXTX72,05381
106Willacy County, TXTX19,97181
107Anderson County, TXTX59,80580
108Archer County, TXTX9,12980
109Baylor County, TXTX3,47280
110Cherokee County, TXTX53,33780
111Comanche County, TXTX14,43280
112Denton County, TXTX1,069,34680
113Ellis County, TXTX240,86780
114Erath County, TXTX43,91180
115Hamilton County, TXTX8,68080
116Haskell County, TXTX5,49980
117Henderson County, TXTX88,59580
118Hood County, TXTX70,50180
119Johnson County, TXTX218,04880
120Jones County, TXTX20,86180
121Kerr County, TXTX54,03780
122Mills County, TXTX4,58080
123Mitchell County, TXTX8,94780
124Navarro County, TXTX57,18180
125Parker County, TXTX184,76780
126Rockwall County, TXTX140,73880
127Runnels County, TXTX9,69380
128San Saba County, TXTX5,78780
129Somervell County, TXTX10,26180
130Stephens County, TXTX9,38080
131Stonewall County, TXTX1,18680
132Tarrant County, TXTX2,248,46680
133Taylor County, TXTX150,07780
135Young County, TXTX18,15480
136Eastland County, TXTX18,14380
137Brown County, TXTX38,71180
138Dallas County, TXTX2,661,39780
139Kaufman County, TXTX209,23580
140Bandera County, TXTX22,87680
141Coke County, TXTX3,41280
142Coleman County, TXTX7,91580
143Palo Pinto County, TXTX30,79180
144Van Zandt County, TXTX66,13080
145Jackson County, OKOK24,76479
146Callahan County, TXTX14,49179
147Childress County, TXTX6,64379
148Clay County, TXTX10,76479
149Cooke County, TXTX44,46179
150Fisher County, TXTX3,69279
151Grayson County, TXTX153,61379
152Gregg County, TXTX126,09579
153Hall County, TXTX2,73779
154Hunt County, TXTX123,33679
155Jack County, TXTX9,56379
156Kent County, TXTX67479
157King County, TXTX19279
158Montague County, TXTX21,96679
159Nolan County, TXTX14,11779
160Rains County, TXTX13,54279
161Rusk County, TXTX54,85479
162Shackelford County, TXTX3,19779
163Smith County, TXTX252,54979
164Wise County, TXTX83,77879
165Wood County, TXTX49,68879
166Wilbarger County, TXTX12,48179
167Knox County, TXTX3,19279
168Collin County, TXTX1,297,17979
169Foard County, TXTX1,04479
170Wichita County, TXTX129,55579
171Carter County, OKOK48,91078
172Comanche County, OKOK122,15878
173Cotton County, OKOK5,43278
174Jefferson County, OKOK5,43178
175Love County, OKOK10,78078
176Marshall County, OKOK16,25578
177Tillman County, OKOK6,78078
178Borden County, TXTX56778
179Camp County, TXTX13,38078
180Cottle County, TXTX1,22478
181Delta County, TXTX5,54978
182Fannin County, TXTX39,26578
183Garza County, TXTX4,51078
184Hopkins County, TXTX39,06378
185Morris County, TXTX12,13378
186Real County, TXTX2,74578
187Red River County, TXTX11,81678
188Titus County, TXTX31,56378
189Upshur County, TXTX44,41078
190Scurry County, TXTX16,16278
191Lamar County, TXTX51,50378
192Franklin County, TXTX10,99478
193Hardeman County, TXTX3,29278
194Howard County, TXTX30,50478
195Bryan County, OKOK51,36777
196Motley County, TXTX1,04377
197Kingfisher County, OKOK15,79574
198Lincoln County, OKOK35,27874
199Logan County, OKOK55,47374
200Payne County, OKOK83,88974
201Nueces County, TXTX352,99274
202Garvin County, OKOK26,37773
203Johnston County, OKOK10,44873
204Murray County, OKOK13,80573
205Stephens County, OKOK44,31073
206Sacramento County, CACA1,618,46071
207San Joaquin County, CACA823,81571
208Cameron County, TXTX433,94671
209Stanislaus County, CACA557,71971
210Colusa County, CACA21,83669
211Sutter County, CACA98,78769
212Yuba County, CACA88,69168
213Solano County, CACA455,37667
214Tehama County, CACA64,66567
215Madison Parish, LALA8,84465
216Kenedy County, TXTX31965
217Luna County, NMNM25,40756
218Pima County, AZAZ1,074,68555
219Dickens County, TXTX1,69254
220Eddy County, NMNM62,50954
221Atoka County, OKOK14,60954
222Beckham County, OKOK22,15954
223Caddo County, OKOK26,13054
224Canadian County, OKOK187,18954
225Choctaw County, OKOK14,05954
226Coal County, OKOK5,43654
227Custer County, OKOK28,17554
228Grady County, OKOK59,12854
229Harmon County, OKOK2,32754
230Kiowa County, OKOK8,18154
231Roger Mills County, OKOK3,25954
232Washita County, OKOK10,88454
233Cass County, TXTX28,65154
234Hemphill County, TXTX3,08354
235Lynn County, TXTX6,01754
236Oklahoma County, OKOK822,12554
237Greer County, OKOK5,37354
238McClain County, OKOK49,64754
240Wheeler County, TXTX4,77354
241McCurtain County, OKOK30,74453
242Hockley County, TXTX21,60053
243Lamb County, TXTX12,57953
244Terry County, TXTX11,72053
245Dawson County, TXTX11,77653
246Gaines County, TXTX23,95653
247Roberts County, TXTX86753
248Andrews County, TXTX18,91452
249Briscoe County, TXTX1,47452
250Yoakum County, TXTX7,43852
251Lea County, NMNM74,74951
252Quay County, NMNM8,45451
253Colorado County, TXTX21,43951
254Goliad County, TXTX7,20851
255Hale County, TXTX31,81951
256Jackson County, TXTX15,39351
257Lavaca County, TXTX20,65151
258Lubbock County, TXTX328,90651
259Parmer County, TXTX9,67851
260Potter County, TXTX114,45351
261Randall County, TXTX152,35151
262Sherman County, TXTX2,78151
263Swisher County, TXTX6,70351
264Crosby County, TXTX4,85251
265Floyd County, TXTX4,88151
266Lafayette County, ARAR5,88850
267Miller County, ARAR42,35750
268Bossier Parish, LALA131,86750
269Caddo Parish, LALA224,22650
270De Soto Parish, LALA27,38150
271Pottawatomie County, OKOK75,10250
272Seminole County, OKOK23,44150
273Texas County, OKOK20,32250
274Armstrong County, TXTX1,84350
275Bailey County, TXTX6,96350
276Carson County, TXTX5,80550
277Cochran County, TXTX2,54650
278Deaf Smith County, TXTX18,62650
279Gray County, TXTX20,91950
280Marion County, TXTX9,89650
281Moore County, TXTX21,89150
282Panola County, TXTX23,01850
283Sabine County, TXTX10,01250
284Shelby County, TXTX24,28650
285Washington County, UTUT213,67050
286Castro County, TXTX7,29550
287Hutchinson County, TXTX19,63350
288Donley County, TXTX3,21350
289Harrison County, TXTX71,95650
290Cleveland County, OKOK303,97350
291Webster Parish, LALA34,94850
292Chaves County, NMNM63,36450
293Pontotoc County, OKOK38,52850
294Wharton County, TXTX42,06050
295Curry County, NMNM46,65549
296Doña Ana County, NMNM229,09149
297Haskell County, OKOK11,78749
298Hughes County, OKOK13,45549
299Latimer County, OKOK9,64549
300McIntosh County, OKOK19,75849
301Muskogee County, OKOK66,70849
302Okfuskee County, OKOK11,45149
303Okmulgee County, OKOK37,24149
304Pushmataha County, OKOK10,80749
305Tulsa County, OKOK698,78249
306Pittsburg County, OKOK43,32049
307Wagoner County, OKOK93,26349
308Harris County, TXTX5,045,02648
309Polk County, TXTX53,43448
310Sabine Parish, LALA21,83448
311Liberty County, TXTX121,36448
313Malheur County, OROR32,26147
314Canyon County, IDID275,12347
315Payette County, IDID27,82447
316Hudspeth County, TXTX3,43343
317Early County, GAGA10,45542
318De Baca County, NMNM1,64742
319Alfalfa County, OKOK5,64942
320Harper County, OKOK3,17242
321Noble County, OKOK10,89942
322Osage County, OKOK46,79442
323Pawnee County, OKOK16,02942
324Woods County, OKOK8,44342
325Grant County, OKOK4,06742
326Barber County, KSKS4,08342
327Miller County, GAGA5,81242
328Chautauqua County, KSKS3,32142
329Clark County, KSKS1,90042
330Harper County, KSKS5,37042
331Kingman County, KSKS7,02942
332Pawnee County, KSKS5,99142
333Reno County, KSKS61,53942
334Rice County, KSKS9,26642
335Sedgwick County, KSKS538,43342
336Stafford County, KSKS4,00542
337Sumner County, KSKS22,31242
338Wilson County, KSKS8,29942
339Garfield County, OKOK61,77941
340Kay County, OKOK43,49041
341Tooele County, UTUT87,46141
342Butler County, KSKS69,48441
343Comanche County, KSKS1,67341
344Cowley County, KSKS34,38241
345Elk County, KSKS2,45841
346Ford County, KSKS33,99341
347Hodgeman County, KSKS1,61941
348Ness County, KSKS2,61741
349Pratt County, KSKS9,11741
350Roosevelt County, NMNM18,61541
351Wilcox County, ALAL9,66640
353Bradley County, ARAR9,82839
354Calhoun County, ARAR4,63239
355Clark County, ARAR20,93839
356Columbia County, ARAR21,89439
357Hempstead County, ARAR19,08039
358Howard County, ARAR12,30639
359Little River County, ARAR11,76339
360Nevada County, ARAR7,94239
361Sevier County, ARAR15,75839
362Union County, ARAR36,92639
363Claiborne Parish, LALA13,35439
364Lincoln County, NMNM19,84439
365Bowie County, TXTX92,69639
366Desha County, ARAR9,98438
367Bienville Parish, LALA12,26938
368Franklin Parish, LALA19,00238
369Jackson Parish, LALA15,83438
370Lincoln Parish, LALA48,36038
371Ouachita Parish, LALA158,54238
372Red River Parish, LALA7,16538
374Winn Parish, LALA14,96138
375Bolivar County, MSMS28,26238
376Issaquena County, MSMS1,26338
377Warren County, MSMS41,75938
378Washington County, MSMS40,44638
380Ashley County, ARAR17,83137
381Chicot County, ARAR9,10737
382Caldwell Parish, LALA9,34437
383Morehouse Parish, LALA23,70537
384Richland Parish, LALA19,58237
385Union Parish, LALA20,56137
386Humphreys County, MSMS7,00137
387Sunflower County, MSMS22,89337
388Refugio County, TXTX6,65736
389Victoria County, TXTX92,65636
390Box Elder County, UTUT65,32036
391Davis County, UTUT381,22736
392Clay County, MSMS18,23835
393Washington County, OKOK54,03735
394Brazoria County, TXTX419,08035
395Matagorda County, TXTX36,46335
396Fort Bend County, TXTX975,19135
397Hardin County, TXTX58,72335
398Madera County, CACA167,92734
399Mariposa County, CACA16,91834
400Jasper County, TXTX33,07534
401Newton County, TXTX11,95434
402Tyler County, TXTX20,44334
403Pulaski County, GAGA10,17233
404Yolo County, CACA224,41033
405Houston County, GAGA178,21433
406Treutlen County, GAGA6,46633
407Wilcox County, GAGA8,79733
408El Dorado County, CACA192,32332
409Hinds County, MSMS211,88832
410Wayne County, UTUT2,58732
411Bleckley County, GAGA12,86632
412Lee County, ARAR8,02931
413Mississippi County, ARAR37,82831
414Tipton County, TNTN62,28731
415Lane County, KSKS1,50831
416Catahoula Parish, LALA8,22331
417Concordia Parish, LALA17,83631
418LaSalle Parish, LALA15,15431
419Tensas Parish, LALA3,70031
420Claiborne County, MSMS8,05831
421Coahoma County, MSMS19,84931
422Quitman County, MSMS5,36431
423Boyd County, NENE1,67431
424Deuel County, NENE1,86231
425Frontier County, NENE2,65531
426Furnas County, NENE4,52431
427Harlan County, NENE3,00031
428Knox County, NENE8,33531
429Beaver County, OKOK4,88231
430Blaine County, OKOK8,51531
431Dewey County, OKOK4,20731
432Ellis County, OKOK3,61331
433Major County, OKOK7,53631
434Woodward County, OKOK19,82731
435Bon Homme County, SDSD7,24431
436Yankton County, SDSD23,63531
437Hansford County, TXTX4,94431
438Hartley County, TXTX4,90431
439Lipscomb County, TXTX2,95531
440Ochiltree County, TXTX9,28431
441Oldham County, TXTX1,78331
442Red Willow County, NENE10,30731
443Merrick County, NENE7,90531
444Bent County, COCO5,71631
445Crowley County, COCO5,67731
446Kit Carson County, COCO7,06931
447Otero County, COCO17,68331
448Prowers County, COCO11,88431
449Ellis County, KSKS29,07531
450Finney County, KSKS37,50531
451Gove County, KSKS2,63131
452Gray County, KSKS5,65231
453Greeley County, KSKS1,18231
454Kiowa County, KSKS2,43231
455Logan County, KSKS2,66131
456Meade County, KSKS3,85231
457Rawlins County, KSKS2,43131
458Rooks County, KSKS4,64631
459Rush County, KSKS2,84531
460Scott County, KSKS4,81531
461Trego County, KSKS2,74031
462Wallace County, KSKS1,44131
463Wichita County, KSKS2,03131
464Gosper County, NENE1,80331
465San Juan County, UTUT14,54231
466Clay County, ARAR14,05230
467Cross County, ARAR16,18630
468Greene County, ARAR47,41130
469Jackson County, ARAR16,74130
470Lawrence County, ARAR16,27330
471Logan County, ARAR21,63330
472Poinsett County, ARAR22,48330
473Randolph County, ARAR18,87630
474Woodruff County, ARAR5,71030
475Saline County, KSKS53,37730
476Allen Parish, LALA22,67230
477Grant Parish, LALA22,07530
478Natchitoches Parish, LALA36,08930
479Sharkey County, MSMS3,09730
480Butler County, MOMO41,90430
481Dunklin County, MOMO26,85530
482Ripley County, MOMO10,71730
484Cimarron County, OKOK2,05930
485Creek County, OKOK74,96730
486Le Flore County, OKOK50,19630
487Nowata County, OKOK9,52230
488Rogers County, OKOK102,19730
489Brule County, SDSD5,27830
490Charles Mix County, SDSD9,30330
491Fall River County, SDSD7,46730
492Gregory County, SDSD4,03730
493Hutchinson County, SDSD7,41330
494Lincoln County, SDSD77,14530
495Tripp County, SDSD5,70830
496Turner County, SDSD9,31430
497Dyer County, TNTN36,32030
498Lake County, TNTN6,24930
499Dallam County, TXTX7,50830
500El Paso County, TXTX877,85830
SHOWING 1–500 OF 3,144
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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES

Frequently asked

Which county has the highest extreme-heat days (90°f+)?

Yuma County, Arizona ranks #1 with 156 (2022 American Community Survey).

What are the top 5 counties by extreme-heat days (90°f+)?

Yuma County, Arizona, Imperial County, California, Maricopa County, Arizona, Hidalgo County, Texas, Starr County, Texas.

How many counties are in this ranking?

3,144 counties qualify after filtering for population minimums and data availability. The ranking covers 2022 ACS 5-year data.

How is extreme-heat days (90°f+) measured?

Number of days in 2022 when the maximum temperature reached at least 90°F, from the heat-exposure data (NOAA North American Regional Reanalysis) distributed with the Census Bureau's experimental Community Resilience Estimates for Heat. Source: US Census Bureau, American Community Survey 5-year estimates (2022).