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.

All statesAll rankings

RELATEDMost socially vulnerable Least socially vulnerable Most socially vulnerable people Most homes without air conditioning Most homes without air conditioning (total)Most vulnerable to extreme heat

RANKPLACESTATEPOPEXTREME-HEAT DAYS (90°F+)VS –

1001Lawrence County, MSMS11,81916–

1002Leake County, MSMS21,66216–

1003Leflore County, MSMS25,68616–

1004Neshoba County, MSMS28,73216–

1005Noxubee County, MSMS9,79816–

1006Oktibbeha County, MSMS51,89616–

1007Winston County, MSMS17,47316–

1008Yazoo County, MSMS22,94716–

1009Caldwell County, MOMO9,01216–

1010Daviess County, MOMO8,55816–

1011DeKalb County, MOMO9,79516–

1012Gentry County, MOMO6,38416–

1013Harrison County, MOMO8,28116–

1014Jasper County, MOMO127,42816–

1015Johnson County, MOMO56,67016–

1016Lawrence County, MOMO39,40116–

1017Livingston County, MOMO14,70816–

1018Mercer County, MOMO3,40416–

1019Putnam County, MOMO4,54616–

1020Schuyler County, MOMO4,14016–

1021Scotland County, MOMO4,79616–

1022Stone County, MOMO32,50316–

1023Worth County, MOMO1,91416–

1024Boone County, NENE5,35516–

1025Cedar County, NENE8,37316–

1026Grant County, NENE56116–

1027Holt County, NENE10,06716–

1028Otoe County, NENE16,53116–

1029Thurston County, NENE6,75216–

1030Wheeler County, NENE78916–

1031Adair County, OKOK19,82816–

1032Cherokee County, OKOK49,19616–

1033Lake County, SDSD10,99316–

1034McCook County, SDSD5,96416–

1035Moody County, SDSD6,63216–

1036Spink County, SDSD6,15516–

1037Fayette County, TNTN45,07116–

1038Hardeman County, TNTN25,27416–

1039Columbia County, FLFL74,09416–

1040St. John the Baptist Parish, LALA39,87516–

1041Newton County, MOMO62,26316–

1042Sullivan County, MOMO5,73816–

1043Pierce County, NENE7,37816–

1044Sheridan County, NENE4,80916–

1045Decatur County, IAIA7,65516–

1046Livingston Parish, LALA155,03616–

1047Randolph County, MOMO24,51316–

1048Pottawattamie County, IAIA92,99616–

1049St. Charles Parish, LALA50,58616–

1050Minnehaha County, SDSD212,69116–

1051Denver County, COCO740,61316–

1052Miami-Dade County, FLFL2,802,02916–

1053Okeechobee County, FLFL42,60816–

1054Walton County, FLFL93,28816–

1055Clinch County, GAGA6,84716–

1056McDuffie County, GAGA21,64016–

1057Muscogee County, GAGA202,17116–

1058Taliaferro County, GAGA1,66216–

1059Wilkes County, GAGA9,54016–

1060Adams County, IAIA3,61716–

1061Appanoose County, IAIA12,07716–

1062Crawford County, IAIA16,23716–

1063Harrison County, IAIA14,62316–

1064Monona County, IAIA8,53916–

1065Page County, IAIA14,85616–

1066Washington Parish, LALA44,93716–

1067Wayne County, NENE10,02016–

1068Autauga County, ALAL61,92015–

1069Choctaw County, ALAL11,90415–

1070Pickens County, ALAL18,22115–

1071Sumter County, ALAL11,58815–

1072Carter County, MOMO5,41815–

1073Marion County, ARAR17,59315–

1074Searcy County, ARAR7,84815–

1075San Benito County, CACA70,08215–

1076Santa Cruz County, CACA258,85215–

1077Dade County, MOMO7,80415–

1078Terrebonne Parish, LALA104,16315–

1079Attala County, MSMS17,10015–

1080Calhoun County, MSMS12,64315–

1081Carroll County, MSMS9,22615–

1082Choctaw County, MSMS8,04815–

1083Clarke County, MSMS15,10215–

1084Copiah County, MSMS27,49715–

1085Harrison County, MSMS217,13615–

1086Holmes County, MSMS15,46515–

1087Jasper County, MSMS15,78515–

1088Lauderdale County, MSMS70,31715–

1089Madison County, MSMS116,29815–

1090Marion County, MSMS24,00115–

1091Marshall County, MSMS34,65415–

1092Montgomery County, MSMS9,35415–

1093Newton County, MSMS20,96015–

1094Panola County, MSMS32,69115–

1095Pearl River County, MSMS59,36315–

1096Pike County, MSMS38,71215–

1097Rankin County, MSMS162,18115–

1098Scott County, MSMS28,07315–

1099Simpson County, MSMS25,49815–

1100Smith County, MSMS13,99115–

1101Stone County, MSMS19,65415–

1102Tate County, MSMS28,72515–

1103Walthall County, MSMS13,92815–

1104Wayne County, MSMS19,80715–

1105Webster County, MSMS10,16715–

1106Yalobusha County, MSMS12,37515–

1107Adair County, MOMO25,68415–

1108Benton County, MOMO20,53615–

1109Boone County, MOMO191,74615–

1110Henry County, MOMO22,67115–

1111Hickory County, MOMO9,04415–

1112Knox County, MOMO3,72815–

1113Lewis County, MOMO9,87915–

1114Linn County, MOMO11,81515–

1115Macon County, MOMO15,19015–

1116Marion County, MOMO28,52515–

1117Monroe County, MOMO8,95915–

1118Oregon County, MOMO8,70915–

1119St. Clair County, MOMO9,97615–

1120Shelby County, MOMO5,87015–

1121Dakota County, NENE21,68715–

1122Dixon County, NENE5,60215–

1123Otero County, NMNM70,36815–

1124Chatham County, NCNC85,11115–

1125Edgecombe County, NCNC49,12115–

1126Montgomery County, NCNC26,40315–

1127Northampton County, NCNC16,49115–

1128Randolph County, NCNC149,51615–

1129Warren County, NCNC18,89815–

1130Clay County, SDSD15,03115–

1131Iron County, UTUT67,14115–

1132Brunswick County, VAVA15,72715–

1133Greensville County, VAVA11,18115–

1134Nottoway County, VAVA15,79615–

1135Emporia, VAVA5,44715–

1136Greene County, MOMO309,28615–

1137Grundy County, MOMO9,74415–

1138Ozark County, MOMO9,17215–

1139Cedar County, MOMO14,88815–

1140Marengo County, ALAL18,31115–

1141Hale County, ALAL15,19415–

1142Bay County, FLFL204,47915–

1143Orange County, FLFL1,528,00215–

1144Chattahoochee County, GAGA8,46515–

1145Stewart County, GAGA4,63115–

1146Adams County, ILIL64,26715–

1147Pike County, ILIL14,23115–

1148Plymouth County, IAIA25,69715–

1149Sioux County, IAIA36,77415–

1150Woodbury County, IAIA106,64915–

1151Loup County, NENE57015–

1152Halifax County, NCNC46,53415–

1153Haywood County, TNTN17,04215–

1154Salt Lake County, UTUT1,220,91615–

1155Mobile County, ALAL411,65814–

1156Shasta County, CACA181,64814–

1157Santa Rosa County, FLFL211,11514–

1158George County, MSMS26,33114–

1159Lincoln County, MOMO66,67614–

1160St. Charles County, MOMO426,49914–

1161Scott County, MOMO37,97514–

1162Amelia County, VAVA13,63214–

1163Appomattox County, VAVA17,17214–

1164Buckingham County, VAVA17,13714–

1165Charlotte County, VAVA11,40114–

1166Chesterfield County, VAVA397,14814–

1167Cumberland County, VAVA10,35214–

1168Dinwiddie County, VAVA28,89614–

1169Fluvanna County, VAVA28,97514–

1170Goochland County, VAVA29,18714–

1171Halifax County, VAVA33,44714–

1172Lunenburg County, VAVA12,05814–

1173Prince Edward County, VAVA22,39114–

1174Prince George County, VAVA43,93614–

1175Southampton County, VAVA18,11014–

1176Sussex County, VAVA10,75514–

1177Colonial Heights, VAVA18,73814–

1178Danville, VAVA41,64714–

1179Franklin, VAVA8,47814–

1180Blaine County, NENE45814–

1181Henrico County, VAVA342,77514–

1182Powhatan County, VAVA32,59114–

1183Richmond, VAVA237,25714–

1184St. Louis County, MOMO990,91114–

1185Liberty County, FLFL8,03514–

1186Madison County, FLFL18,75914–

1187Osceola County, FLFL481,71814–

1188Polk County, FLFL874,79014–

1189Suwannee County, FLFL48,14914–

1190Alexander County, ILIL4,57014–

1191Cherokee County, IAIA11,36914–

1192Henry County, IAIA19,34914–

1193Hertford County, NCNC19,01514–

1194Cache County, UTUT145,00014–

1195Campbell County, VAVA55,62914–

1196Hopewell, VAVA23,26114–

1197Petersburg, VAVA33,73414–

1198Talladega County, ALAL81,60313–

1199Johnson County, ARAR26,22513–

1200Butte County, CACA209,21113–

1201Napa County, CACA132,94913–

1202Surry County, VAVA6,60313–

1203Baldwin County, ALAL267,76113–

1204Rockdale County, GAGA98,41613–

1205Clarke County, IAIA9,57413–

1206Union County, IAIA11,82913–

1207Amite County, MSMS12,48713–

1208Big Horn County, MTMT12,75213–

1209Rosebud County, MTMT8,25313–

1210Iredell County, NCNC211,79813–

1211Yadkin County, NCNC38,32513–

1212Morrow County, OROR12,60213–

1213Horry County, SCSC427,55113–

1214Marion County, SCSC28,24213–

1215Butte County, SDSD10,85613–

1216McNairy County, TNTN26,23613–

1217Charles City County, VAVA6,62313–

1218Whitman County, WAWA48,51213–

1219Isle of Wight County, VAVA41,32113–

1220Oglethorpe County, GAGA16,41513–

1221Yellowstone County, MTMT172,69213–

1222Bradford County, FLFL28,30713–

1223Broward County, FLFL2,013,31713–

1224Charlotte County, FLFL217,21213–

1225Flagler County, FLFL140,36013–

1226Gulf County, FLFL15,94313–

1227Hamilton County, FLFL14,18013–

1228Lake County, FLFL456,06813–

1229Sarasota County, FLFL479,95813–

1230Taylor County, FLFL21,21013–

1231Clarke County, GAGA129,92113–

1232Echols County, GAGA3,68513–

1233Lowndes County, GAGA122,86713–

1234Morgan County, GAGA22,09513–

1235Newton County, GAGA125,58313–

1236Oconee County, GAGA44,89313–

1237Washington County, IDID11,58313–

1238Keokuk County, IAIA9,79713–

1239Lucas County, IAIA8,84713–

1240Mahaska County, IAIA21,88013–

1241Marion County, IAIA34,19213–

1242Monroe County, IAIA7,40613–

1243Polk County, IAIA516,54613–

1244Wapello County, IAIA35,21013–

1245Treasure County, MTMT72813–

1246Suffolk, VAVA104,69913–

1247Benton County, WAWA221,72213–

1248Grant County, WAWA105,72713–

1249Amador County, CACA41,87612–

1250Santa Clara County, CACA1,914,39112–

1251Columbus County, NCNC50,48712–

1252Martin County, NCNC21,60112–

1253Jackson County, MSMS147,66612–

1254Bertie County, NCNC17,08612–

1255Caswell County, NCNC22,56312–

1256Chowan County, NCNC14,08212–

1257Forsyth County, NCNC401,71812–

1258Gates County, NCNC10,23412–

1259Granville County, NCNC61,42112–

1260Greene County, NCNC20,70012–

1261Johnston County, NCNC256,44812–

1262Orange County, NCNC152,49812–

1263Person County, NCNC40,63612–

1264Pitt County, NCNC182,93612–

1265Stokes County, NCNC46,12612–

1266Surry County, NCNC72,28712–

1267Vance County, NCNC42,63812–

1268Washington County, NCNC10,63812–

1269Wilson County, NCNC81,15012–

1270Bamberg County, SCSC12,79612–

1271Barnwell County, SCSC20,65312–

1272Calhoun County, SCSC14,18812–

1273Fairfield County, SCSC20,34012–

1274Florence County, SCSC138,50412–

1275Lexington County, SCSC317,58812–

1276McCormick County, SCSC10,21512–

1277Newberry County, SCSC39,56112–

1278Beadle County, SDSD19,62412–

1279Buffalo County, SDSD1,80212–

1280Hand County, SDSD3,12112–

1281Kingsbury County, SDSD5,28412–

1282Miner County, SDSD2,28112–

1283Presidio County, TXTX5,43312–

1284Mecklenburg County, VAVA30,74712–

1285Wayne County, NCNC122,27812–

1286Lancaster County, SCSC114,29612–

1287Ventura County, CACA830,85112–

1288Lincoln County, COCO5,64512–

1289Seminole County, FLFL491,88412–

1290Grady County, GAGA26,59012–

1291Lincoln County, GAGA8,11212–

1292Thomas County, GAGA46,36812–

1293Schuyler County, ILIL6,65712–

1294Adair County, IAIA7,40312–

1295Madison County, IAIA17,27012–

1296Ringgold County, IAIA4,64212–

1297Alamance County, NCNC186,17712–

1298Durham County, NCNC347,24012–

1299Moore County, NCNC110,61912–

1300Orangeburg County, SCSC83,17712–

1301Adams County, WAWA21,48812–

1302Wake County, NCNC1,257,23511–

1303Cooper County, MOMO17,13611–

1304Emmons County, NDND3,21511–

1305Grant County, NDND2,20611–

1306Stewart County, TNTN14,43911–

1307Orange County, CACA3,149,50711–

1308San Diego County, CACA3,282,24811–

1309Yakima County, WAWA259,18511–

1310St. Lucie County, FLFL402,44911–

1311Richmond County, GAGA206,55911–

1312Calloway County, KYKY39,42111–

1313Hickman County, KYKY4,37211–

1314Ascension Parish, LALA135,10511–

1315Assumption Parish, LALA19,72011–

1316Iberville Parish, LALA29,57911–

1317Brown County, MNMN25,51711–

1318Lac qui Parle County, MNMN6,70411–

1319Le Sueur County, MNMN29,45311–

1320Lincoln County, MNMN5,58311–

1321Lyon County, MNMN25,68411–

1322Murray County, MNMN7,94211–

1323Nicollet County, MNMN34,27311–

1324Pipestone County, MNMN9,26011–

1325Redwood County, MNMN15,26511–

1326Renville County, MNMN14,35611–

1327Sibley County, MNMN15,35611–

1328Yellow Medicine County, MNMN9,47711–

1329Franklin County, MSMS7,49111–

1330Pontotoc County, MSMS32,09611–

1331Pettis County, MOMO44,25411–

1332Taney County, MOMO57,00111–

1333Custer County, MTMT12,03411–

1334Dawson County, MTMT8,69211–

1335Fallon County, MTMT2,95911–

1336Fergus County, MTMT11,82511–

1337Garfield County, MTMT1,14811–

1338Golden Valley County, MTMT84411–

1339Hill County, MTMT16,16711–

1340McCone County, MTMT1,72011–

1341Musselshell County, MTMT5,58211–

1342Petroleum County, MTMT54811–

1343Prairie County, MTMT1,11211–

1344Richland County, MTMT11,37711–

1345Roosevelt County, MTMT10,24211–

1346Sheridan County, MTMT3,43611–

1347Wibaux County, MTMT88511–

1348Harding County, NMNM61711–

1349San Juan County, NMNM120,34011–

1350Anson County, NCNC21,75811–

1351Bladen County, NCNC30,00711–

1352Camden County, NCNC11,31511–

1353Perquimans County, NCNC13,49011–

1354Union County, NCNC267,67411–

1355Adams County, NDND2,27511–

1356Billings County, NDND1,07111–

1357Bowman County, NDND2,76211–

1358Hettinger County, NDND2,49211–

1359Logan County, NDND1,85911–

1360McKenzie County, NDND15,19211–

1361McLean County, NDND9,74011–

1362Oliver County, NDND1,89811–

1363Sioux County, NDND3,66711–

1364Slope County, NDND62811–

1365Stark County, NDND34,01311–

1366Gilliam County, OROR1,97111–

1367Sherman County, OROR2,05111–

1368Umatilla County, OROR81,11911–

1369Clarendon County, SCSC31,04311–

1370Edgefield County, SCSC29,80811–

1371Greenwood County, SCSC70,37911–

1372Saluda County, SCSC19,68011–

1373Bennett County, SDSD3,30711–

1374Corson County, SDSD3,78111–

1375Custer County, SDSD9,43111–

1376Harding County, SDSD1,33111–

1377Perkins County, SDSD2,85311–

1378Chester County, TNTN17,99411–

1379Henry County, TNTN32,89611–

1380Madison County, TNTN100,79011–

1381Obion County, TNTN30,06711–

1382Weakley County, TNTN33,26111–

1383Gloucester County, VAVA40,09711–

1384James City County, VAVA83,32611–

1385Middlesex County, VAVA10,84111–

1386Chesapeake, VAVA255,33211–

1387Mercer County, NDND8,44111–

1388Big Horn County, WYWY12,02411–

1389Campbell County, WYWY48,14511–

1390Weston County, WYWY6,84011–

1391Golden Valley County, NDND1,80811–

1392Morton County, NDND34,60111–

1393McIntosh County, NDND2,45111–

1394Brewster County, TXTX9,45811–

1395Alexander County, NCNC36,95811–

1396Dunn County, NDND4,05811–

1397Portsmouth, VAVA96,77711–

1398Duval County, FLFL1,062,96311–

1399Brantley County, GAGA18,93611–

1400Columbia County, GAGA169,18911–

1401Bingham County, IDID51,15311–

1402Jefferson County, IDID35,29711–

1403Brown County, ILIL6,40111–

1404Morgan County, ILIL32,51511–

1405Warren County, ILIL16,22211–

1406Cass County, IAIA12,96011–

1407Ida County, IAIA6,77711–

1408Jasper County, IAIA38,15311–

1409Sac County, IAIA9,52511–

1410Shelby County, IAIA11,68911–

1411Washington County, IAIA22,66711–

1412Fulton County, KYKY6,21811–

1413Marshall County, KYKY31,65911–

1414Humboldt County, NVNV17,26711–

1415Gibson County, TNTN51,77911–

1416Hardin County, TNTN27,98311–

1417Norfolk, VAVA231,01311–

1418Williamsburg, VAVA15,86111–

1419Tallapoosa County, ALAL40,95310–

1420Apache County, AZAZ64,44510–

1421Greenlee County, AZAZ9,31210–

1422Yavapai County, AZAZ252,55210–

1423Cape Girardeau County, MOMO83,99910–

1424Christian County, MOMO96,72510–

1425Cole County, MOMO77,90810–

1426Dickey County, NDND4,89510–

1427Dallas County, MOMO18,02510–

1428Hamlin County, SDSD6,90010–

1429Butts County, GAGA27,21810–

1430Johnson County, IAIA160,04410–

1431Caldwell County, KYKY12,60910–

1432Union County, KYKY12,83910–

1433Webster County, KYKY12,92910–

1434St. Mary Parish, LALA46,55210–

1435Big Stone County, MNMN5,05410–

1436Chippewa County, MNMN12,40610–

1437Cottonwood County, MNMN11,40510–

1438Dakota County, MNMN457,71010–

1439McLeod County, MNMN36,63110–

1440Ramsey County, MNMN541,62310–

1441Rice County, MNMN69,93910–

1442Traverse County, MNMN3,13010–

1443Wilkin County, MNMN6,28810–

1444Wright County, MNMN157,55910–

1445Chickasaw County, MSMS16,73010–

1446Lee County, MSMS83,73110–

1447Lincoln County, MSMS35,01210–

1448Prentiss County, MSMS25,28410–

1449Bollinger County, MOMO10,64610–

1450Camden County, MOMO44,04710–

1451Douglas County, MOMO12,34210–

1452Howell County, MOMO40,79810–

1453Laclede County, MOMO36,94310–

1454Maries County, MOMO8,39710–

1455Miller County, MOMO25,81710–

1456Mississippi County, MOMO12,00310–

1457Moniteau County, MOMO15,42810–

1458Perry County, MOMO19,09310–

1459Polk County, MOMO33,60410–

1460Ste. Genevieve County, MOMO18,68910–

1461Blaine County, MTMT6,86010–

1462Carter County, MTMT1,38310–

1463Phillips County, MTMT4,20310–

1464Powder River County, MTMT1,78110–

1465Cabarrus County, NCNC249,72510–

1466Davie County, NCNC45,85510–

1467Franklin County, NCNC82,03710–

1468Gaston County, NCNC246,55810–

1469Nash County, NCNC99,36510–

1470Ransom County, NDND5,61710–

1471Richland County, NDND16,73110–

1472Sargent County, NDND3,71110–

1473Chester County, SCSC33,00110–

1474Union County, SCSC26,79910–

1475York County, SCSC306,88710–

1476Brookings County, SDSD37,63510–

1477Brown County, SDSD37,56110–

1478Campbell County, SDSD1,37710–

1479Clark County, SDSD4,03110–

1480Codington County, SDSD29,56210–

1481Day County, SDSD5,48410–

1482Deuel County, SDSD4,40810–

1483Edmunds County, SDSD4,02210–

1484Faulk County, SDSD2,17810–

1485Grant County, SDSD7,53410–

1486McPherson County, SDSD2,34710–

1487Marshall County, SDSD4,42610–

1488Potter County, SDSD2,37710–

1489Roberts County, SDSD10,25510–

1490Sully County, SDSD1,47910–

1491Walworth County, SDSD5,21710–

1492Carroll County, TNTN29,20010–

1493Henderson County, TNTN28,51810–

1494Juab County, UTUT13,56710–

1495Millard County, UTUT14,05710–

1496Utah County, UTUT759,85910–

1497Albemarle County, VAVA118,35610–

1498Culpeper County, VAVA57,66610–

1499King William County, VAVA19,61710–

1500Louisa County, VAVA42,92410–

SHOWING 1,001–1,500 OF 3,144

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES