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

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–

16Dimmit County, TXTX8,024109–

17Frio County, TXTX18,823109–

18La Salle County, TXTX6,517109–

19Medina County, TXTX56,881109–

20Webb County, TXTX281,224109–

21Brooks County, TXTX6,579108–

22Duval County, TXTX9,402108–

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–

34Kern County, CACA927,06891–

35Tulare County, CACA485,14691–

36Crockett County, TXTX2,76991–

37DeWitt County, TXTX20,30991–

38Edwards County, TXTX1,37091–

39Gonzales County, TXTX20,15991–

40Irion County, TXTX1,46391–

41Kimble County, TXTX4,43891–

42Reagan County, TXTX3,16691–

43Sterling County, TXTX1,34991–

44Sutton County, TXTX3,20391–

45Val Verde County, TXTX47,83591–

46Austin County, TXTX33,62590–

47Bastrop County, TXTX118,90890–

48Brazos County, TXTX249,08890–

49Burleson County, TXTX20,54990–

50Fayette County, TXTX25,45990–

51Grimes County, TXTX34,25290–

52Hays County, TXTX304,39090–

53Lee County, TXTX18,72990–

54Milam County, TXTX26,25890–

55Walker County, TXTX83,84290–

56Washington County, TXTX38,28890–

57Angelina County, TXTX88,15489–

58Bell County, TXTX402,24889–

59Blanco County, TXTX13,58189–

60Bosque County, TXTX18,91889–

61Concho County, TXTX3,60789–

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–

73Travis County, TXTX1,389,67089–

74Williamson County, TXTX752,82789–

75Burnet County, TXTX57,01588–

76Freestone County, TXTX20,81188–

77Gillespie County, TXTX28,52788–

78Glasscock County, TXTX1,12888–

79Leon County, TXTX16,89488–

80Limestone County, TXTX22,84988–

81McLennan County, TXTX272,02088–

82Madison County, TXTX14,22688–

83Martin County, TXTX5,28488–

84Robertson County, TXTX17,83988–

85Kings County, CACA154,32787–

86Loving County, TXTX5287–

87Waller County, TXTX69,85887–

88Merced County, CACA297,26086–

89Nacogdoches County, TXTX66,03586–

90Montgomery County, TXTX781,19485–

91San Jacinto County, TXTX29,48885–

92Trinity County, TXTX14,38485–

93Inyo County, CACA18,15884–

94San Bernardino County, CACA2,224,09184–

95Houston County, TXTX22,31684–

96Pecos County, TXTX14,56084–

97Terrell County, TXTX70284–

98Upton County, TXTX3,13184–

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–

109Bandera County, TXTX22,87680–

110Baylor County, TXTX3,47280–

111Brown County, TXTX38,71180–

112Cherokee County, TXTX53,33780–

113Coke County, TXTX3,41280–

114Coleman County, TXTX7,91580–

115Comanche County, TXTX14,43280–

116Dallas County, TXTX2,661,39780–

117Denton County, TXTX1,069,34680–

118Eastland County, TXTX18,14380–

119Ellis County, TXTX240,86780–

120Erath County, TXTX43,91180–

121Hamilton County, TXTX8,68080–

122Haskell County, TXTX5,49980–

123Henderson County, TXTX88,59580–

124Hood County, TXTX70,50180–

125Johnson County, TXTX218,04880–

126Jones County, TXTX20,86180–

127Kaufman County, TXTX209,23580–

128Kerr County, TXTX54,03780–

129Mills County, TXTX4,58080–

130Mitchell County, TXTX8,94780–

131Navarro County, TXTX57,18180–

132Palo Pinto County, TXTX30,79180–

133Parker County, TXTX184,76780–

134Rockwall County, TXTX140,73880–

135Runnels County, TXTX9,69380–

136San Saba County, TXTX5,78780–

137Somervell County, TXTX10,26180–

138Stephens County, TXTX9,38080–

139Stonewall County, TXTX1,18680–

140Tarrant County, TXTX2,248,46680–

141Taylor County, TXTX150,07780–

142Throckmorton County, TXTX1,55480–

143Van Zandt County, TXTX66,13080–

144Young County, TXTX18,15480–

145Jackson County, OKOK24,76479–

146Callahan County, TXTX14,49179–

147Childress County, TXTX6,64379–

148Clay County, TXTX10,76479–

149Collin County, TXTX1,297,17979–

150Cooke County, TXTX44,46179–

151Fisher County, TXTX3,69279–

152Foard County, TXTX1,04479–

153Grayson County, TXTX153,61379–

154Gregg County, TXTX126,09579–

155Hall County, TXTX2,73779–

156Hunt County, TXTX123,33679–

157Jack County, TXTX9,56379–

158Kent County, TXTX67479–

159King County, TXTX19279–

160Knox County, TXTX3,19279–

161Montague County, TXTX21,96679–

162Nolan County, TXTX14,11779–

163Rains County, TXTX13,54279–

164Rusk County, TXTX54,85479–

165Shackelford County, TXTX3,19779–

166Smith County, TXTX252,54979–

167Wichita County, TXTX129,55579–

168Wilbarger County, TXTX12,48179–

169Wise County, TXTX83,77879–

170Wood County, TXTX49,68879–

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–

183Franklin County, TXTX10,99478–

184Garza County, TXTX4,51078–

185Hardeman County, TXTX3,29278–

186Hopkins County, TXTX39,06378–

187Howard County, TXTX30,50478–

188Lamar County, TXTX51,50378–

189Morris County, TXTX12,13378–

190Real County, TXTX2,74578–

191Red River County, TXTX11,81678–

192Scurry County, TXTX16,16278–

193Titus County, TXTX31,56378–

194Upshur County, TXTX44,41078–

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–

208Stanislaus County, CACA557,71971–

209Cameron County, TXTX433,94671–

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–

219Eddy County, NMNM62,50954–

220Atoka County, OKOK14,60954–

221Beckham County, OKOK22,15954–

222Caddo County, OKOK26,13054–

223Canadian County, OKOK187,18954–

224Choctaw County, OKOK14,05954–

225Coal County, OKOK5,43654–

226Custer County, OKOK28,17554–

227Grady County, OKOK59,12854–

228Greer County, OKOK5,37354–

229Harmon County, OKOK2,32754–

230Kiowa County, OKOK8,18154–

231McClain County, OKOK49,64754–

232Oklahoma County, OKOK822,12554–

233Roger Mills County, OKOK3,25954–

234Washita County, OKOK10,88454–

235Cass County, TXTX28,65154–

236Collingsworth County, TXTX2,48754–

237Dickens County, TXTX1,69254–

238Hemphill County, TXTX3,08354–

239Lynn County, TXTX6,01754–

240Wheeler County, TXTX4,77354–

241McCurtain County, OKOK30,74453–

242Dawson County, TXTX11,77653–

243Gaines County, TXTX23,95653–

244Hockley County, TXTX21,60053–

245Lamb County, TXTX12,57953–

246Roberts County, TXTX86753–

247Terry County, TXTX11,72053–

248Andrews County, TXTX18,91452–

249Briscoe County, TXTX1,47452–

250Yoakum County, TXTX7,43852–

251Lea County, NMNM74,74951–

252Quay County, NMNM8,45451–

253Colorado County, TXTX21,43951–

254Crosby County, TXTX4,85251–

255Floyd County, TXTX4,88151–

256Goliad County, TXTX7,20851–

257Hale County, TXTX31,81951–

258Jackson County, TXTX15,39351–

259Lavaca County, TXTX20,65151–

260Lubbock County, TXTX328,90651–

261Parmer County, TXTX9,67851–

262Potter County, TXTX114,45351–

263Randall County, TXTX152,35151–

264Sherman County, TXTX2,78151–

265Swisher County, TXTX6,70351–

266Lafayette County, ARAR5,88850–

267Miller County, ARAR42,35750–

268Bossier Parish, LALA131,86750–

269Caddo Parish, LALA224,22650–

270De Soto Parish, LALA27,38150–

271Webster Parish, LALA34,94850–

272Chaves County, NMNM63,36450–

273Cleveland County, OKOK303,97350–

274Pontotoc County, OKOK38,52850–

275Pottawatomie County, OKOK75,10250–

276Seminole County, OKOK23,44150–

277Texas County, OKOK20,32250–

278Armstrong County, TXTX1,84350–

279Bailey County, TXTX6,96350–

280Carson County, TXTX5,80550–

281Castro County, TXTX7,29550–

282Cochran County, TXTX2,54650–

283Deaf Smith County, TXTX18,62650–

284Donley County, TXTX3,21350–

285Gray County, TXTX20,91950–

286Harrison County, TXTX71,95650–

287Hutchinson County, TXTX19,63350–

288Marion County, TXTX9,89650–

289Moore County, TXTX21,89150–

290Panola County, TXTX23,01850–

291Sabine County, TXTX10,01250–

292Shelby County, TXTX24,28650–

293Wharton County, TXTX42,06050–

294Washington County, UTUT213,67050–

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–

304Pittsburg County, OKOK43,32049–

305Pushmataha County, OKOK10,80749–

306Tulsa County, OKOK698,78249–

307Wagoner County, OKOK93,26349–

308Sabine Parish, LALA21,83448–

309Harris County, TXTX5,045,02648–

310Liberty County, TXTX121,36448–

311Polk County, TXTX53,43448–

312San Augustine County, TXTX7,72248–

313Canyon County, IDID275,12347–

314Payette County, IDID27,82447–

315Malheur County, OROR32,26147–

316Hudspeth County, TXTX3,43343–

317Early County, GAGA10,45542–

318Miller County, GAGA5,81242–

319Barber County, KSKS4,08342–

320Chautauqua County, KSKS3,32142–

321Clark County, KSKS1,90042–

322Harper County, KSKS5,37042–

323Kingman County, KSKS7,02942–

324Pawnee County, KSKS5,99142–

325Reno County, KSKS61,53942–

326Rice County, KSKS9,26642–

327Sedgwick County, KSKS538,43342–

328Stafford County, KSKS4,00542–

329Sumner County, KSKS22,31242–

330Wilson County, KSKS8,29942–

331De Baca County, NMNM1,64742–

332Alfalfa County, OKOK5,64942–

333Grant County, OKOK4,06742–

334Harper County, OKOK3,17242–

335Noble County, OKOK10,89942–

336Osage County, OKOK46,79442–

337Pawnee County, OKOK16,02942–

338Woods County, OKOK8,44342–

339Butler County, KSKS69,48441–

340Comanche County, KSKS1,67341–

341Cowley County, KSKS34,38241–

342Elk County, KSKS2,45841–

343Ford County, KSKS33,99341–

344Hodgeman County, KSKS1,61941–

345Ness County, KSKS2,61741–

346Pratt County, KSKS9,11741–

347Roosevelt County, NMNM18,61541–

348Garfield County, OKOK61,77941–

349Kay County, OKOK43,49041–

350Tooele County, UTUT87,46141–

351Wilcox County, ALAL9,66640–

352San Luis Obispo County, CACA282,36740–

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–

368East Carroll Parish, LALA6,76038–

369Franklin Parish, LALA19,00238–

370Jackson Parish, LALA15,83438–

371Lincoln Parish, LALA48,36038–

372Ouachita Parish, LALA158,54238–

373Red River Parish, LALA7,16538–

374West Carroll Parish, LALA9,15638–

375Winn Parish, LALA14,96138–

376Bolivar County, MSMS28,26238–

377Issaquena County, MSMS1,26338–

378Warren County, MSMS41,75938–

379Washington 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–

395Fort Bend County, TXTX975,19135–

396Hardin County, TXTX58,72335–

397Matagorda County, TXTX36,46335–

398Madera County, CACA167,92734–

399Mariposa County, CACA16,91834–

400Jasper County, TXTX33,07534–

401Newton County, TXTX11,95434–

402Tyler County, TXTX20,44334–

403Yolo County, CACA224,41033–

404Houston County, GAGA178,21433–

405Pulaski County, GAGA10,17233–

406Treutlen County, GAGA6,46633–

407Wilcox County, GAGA8,79733–

408El Dorado County, CACA192,32332–

409Bleckley County, GAGA12,86632–

410Hinds County, MSMS211,88832–

411Wayne County, UTUT2,58732–

412Lee County, ARAR8,02931–

413Mississippi County, ARAR37,82831–

414Bent County, COCO5,71631–

415Crowley County, COCO5,67731–

416Kit Carson County, COCO7,06931–

417Otero County, COCO17,68331–

418Prowers County, COCO11,88431–

419Ellis County, KSKS29,07531–

420Finney County, KSKS37,50531–

421Gove County, KSKS2,63131–

422Gray County, KSKS5,65231–

423Greeley County, KSKS1,18231–

424Kiowa County, KSKS2,43231–

425Lane County, KSKS1,50831–

426Logan County, KSKS2,66131–

427Meade County, KSKS3,85231–

428Rawlins County, KSKS2,43131–

429Rooks County, KSKS4,64631–

430Rush County, KSKS2,84531–

431Scott County, KSKS4,81531–

432Trego County, KSKS2,74031–

433Wallace County, KSKS1,44131–

434Wichita County, KSKS2,03131–

435Catahoula Parish, LALA8,22331–

436Concordia Parish, LALA17,83631–

437LaSalle Parish, LALA15,15431–

438Tensas Parish, LALA3,70031–

439Claiborne County, MSMS8,05831–

440Coahoma County, MSMS19,84931–

441Quitman County, MSMS5,36431–

442Boyd County, NENE1,67431–

443Deuel County, NENE1,86231–

444Frontier County, NENE2,65531–

445Furnas County, NENE4,52431–

446Gosper County, NENE1,80331–

447Harlan County, NENE3,00031–

448Knox County, NENE8,33531–

449Merrick County, NENE7,90531–

450Red Willow County, NENE10,30731–

451Beaver County, OKOK4,88231–

452Blaine County, OKOK8,51531–

453Dewey County, OKOK4,20731–

454Ellis County, OKOK3,61331–

455Major County, OKOK7,53631–

456Woodward County, OKOK19,82731–

457Bon Homme County, SDSD7,24431–

458Yankton County, SDSD23,63531–

459Tipton County, TNTN62,28731–

460Hansford County, TXTX4,94431–

461Hartley County, TXTX4,90431–

462Lipscomb County, TXTX2,95531–

463Ochiltree County, TXTX9,28431–

464Oldham County, TXTX1,78331–

465San Juan County, UTUT14,54231–

466Clay County, ARAR14,05230–

467Craighead County, ARAR116,95730–

468Cross County, ARAR16,18630–

469Greene County, ARAR47,41130–

470Jackson County, ARAR16,74130–

471Lawrence County, ARAR16,27330–

472Logan County, ARAR21,63330–

473Poinsett County, ARAR22,48330–

474Randolph County, ARAR18,87630–

475Woodruff County, ARAR5,71030–

476Baca County, COCO3,34730–

477Barton County, KSKS24,79030–

478Edwards County, KSKS2,64030–

479Ellsworth County, KSKS6,25730–

480Grant County, KSKS7,02830–

481Hamilton County, KSKS2,50030–

482Haskell County, KSKS3,59930–

483Kearny County, KSKS3,88830–

484Labette County, KSKS19,68530–

485Montgomery County, KSKS30,17730–

486Morton County, KSKS2,47030–

487Ottawa County, KSKS5,74430–

488Russell County, KSKS6,58130–

489Saline County, KSKS53,37730–

490Seward County, KSKS21,07330–

491Stanton County, KSKS1,98630–

492Stevens County, KSKS4,98430–

493Allen Parish, LALA22,67230–

494Grant Parish, LALA22,07530–

495Natchitoches Parish, LALA36,08930–

496Sharkey County, MSMS3,09730–

497Butler County, MOMO41,90430–

498Dunklin County, MOMO26,85530–

499New Madrid County, MOMO15,08630–

500Pemiscot County, MOMO14,46530–

SHOWING 1–500 OF 3,144

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UPDATED 2026-08-08 · 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).