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 –

1501Dallas County, MOMO18,02510–

1502Douglas County, MOMO12,34210–

1503Howell County, MOMO40,79810–

1504Laclede County, MOMO36,94310–

1505Maries County, MOMO8,39710–

1506Miller County, MOMO25,81710–

1507Mississippi County, MOMO12,00310–

1508Moniteau County, MOMO15,42810–

1509Perry County, MOMO19,09310–

1510Polk County, MOMO33,60410–

1511Ste. Genevieve County, MOMO18,68910–

1512Blaine County, MTMT6,86010–

1513Carter County, MTMT1,38310–

1514Phillips County, MTMT4,20310–

1515Powder River County, MTMT1,78110–

1516Valley County, MTMT7,38510–

1517Cabarrus County, NCNC249,72510–

1518Davie County, NCNC45,85510–

1519Franklin County, NCNC82,03710–

1520Gaston County, NCNC246,55810–

1521Nash County, NCNC99,36510–

1522Stanly County, NCNC68,83010–

1523Dickey County, NDND4,89510–

1524Ransom County, NDND5,61710–

1525Renville County, NDND2,33110–

1526Richland County, NDND16,73110–

1527Sargent County, NDND3,71110–

1528Chester County, SCSC33,00110–

1529Union County, SCSC26,79910–

1530York County, SCSC306,88710–

1531Brookings County, SDSD37,63510–

1532Brown County, SDSD37,56110–

1533Campbell County, SDSD1,37710–

1534Clark County, SDSD4,03110–

1535Codington County, SDSD29,56210–

1536Day County, SDSD5,48410–

1537Deuel County, SDSD4,40810–

1538Edmunds County, SDSD4,02210–

1539Faulk County, SDSD2,17810–

1540Grant County, SDSD7,53410–

1541Hamlin County, SDSD6,90010–

1542McPherson County, SDSD2,34710–

1543Marshall County, SDSD4,42610–

1544Potter County, SDSD2,37710–

1545Roberts County, SDSD10,25510–

1546Sully County, SDSD1,47910–

1547Walworth County, SDSD5,21710–

1548Carroll County, TNTN29,20010–

1549Henderson County, TNTN28,51810–

1550Beaver County, UTUT7,30110–

1551Juab County, UTUT13,56710–

1552Millard County, UTUT14,05710–

1553Utah County, UTUT759,85910–

1554Albemarle County, VAVA118,35610–

1555Culpeper County, VAVA57,66610–

1556King William County, VAVA19,61710–

1557Louisa County, VAVA42,92410–

1558Nelson County, VAVA14,92010–

1559Orange County, VAVA40,08310–

1560Pittsylvania County, VAVA59,49010–

1561Spotsylvania County, VAVA155,38810–

1562Stafford County, VAVA170,80310–

1563Charlottesville, VAVA44,38810–

1564Coosa County, ALAL10,1619–

1565Santa Cruz County, AZAZ50,0209–

1566Lake County, CACA67,7729–

1567Glades County, FLFL13,2709–

1568Lee County, FLFL875,6079–

1569St. Johns County, FLFL346,3289–

1570Cass County, ILIL12,4639–

1571Fulton County, ILIL32,9019–

1572Menard County, ILIL11,8639–

1573Rock Island County, ILIL141,8699–

1574Scott County, ILIL4,8669–

1575Audubon County, IAIA5,5099–

1576Benton County, IAIA26,0049–

1577Calhoun County, IAIA9,5629–

1578Carroll County, IAIA20,3039–

1579Cedar County, IAIA18,3599–

1580Clinton County, IAIA46,0029–

1581Greene County, IAIA8,6589–

1582Pocahontas County, IAIA6,8199–

1583Scott County, IAIA175,2599–

1584Story County, IAIA101,2919–

1585Webster County, IAIA36,8389–

1586Trigg County, KYKY14,5129–

1587Charles County, MDMD176,5939–

1588Goodhue County, MNMN48,1959–

1589Grant County, MNMN6,0859–

1590Sherburne County, MNMN104,1949–

1591Stevens County, MNMN9,7479–

1592Swift County, MNMN9,7639–

1593Washington County, MNMN286,8959–

1594Alcorn County, MSMS34,5699–

1595Benton County, MSMS7,5029–

1596Itawamba County, MSMS24,1529–

1597Tippah County, MSMS21,3899–

1598Union County, MSMS28,4599–

1599Audrain County, MOMO24,5289–

1600Callaway County, MOMO45,7659–

1601Crawford County, MOMO22,9299–

1602Dent County, MOMO14,5849–

1603Howard County, MOMO10,1809–

1604Iron County, MOMO9,3189–

1605Madison County, MOMO12,8589–

1606Montgomery County, MOMO11,5909–

1607Morgan County, MOMO22,4189–

1608Osage County, MOMO13,6119–

1609Phelps County, MOMO45,2479–

1610Pike County, MOMO17,9559–

1611Pulaski County, MOMO54,4429–

1612Ralls County, MOMO10,4449–

1613Reynolds County, MOMO5,9929–

1614St. Francois County, MOMO67,8099–

1615Shannon County, MOMO7,2859–

1616Texas County, MOMO25,9949–

1617Warren County, MOMO39,0169–

1618Washington County, MOMO23,8109–

1619Wayne County, MOMO10,7829–

1620Webster County, MOMO43,0549–

1621Wright County, MOMO19,6719–

1622Daniels County, MTMT1,6129–

1623Stillwater County, MTMT9,4459–

1624Eureka County, NVNV1,8679–

1625Storey County, NVNV4,2609–

1626Burlington County, NJNJ481,4399–

1627Camden County, NJNJ535,7999–

1628Cumberland County, NJNJ157,1489–

1629Ocean County, NJNJ673,7469–

1630Salem County, NJNJ66,2809–

1631McKinley County, NMNM68,1199–

1632Santa Fe County, NMNM156,9079–

1633Burke County, NDND2,1329–

1634Burleigh County, NDND103,2519–

1635Divide County, NDND2,1109–

1636Kidder County, NDND2,3939–

1637Williams County, NDND41,7679–

1638Crook County, OROR27,5649–

1639Aiken County, SCSC181,5159–

1640Berkeley County, SCSC274,6669–

1641Charleston County, SCSC436,2009–

1642Spartanburg County, SCSC380,8579–

1643Williamsburg County, SCSC29,6629–

1644Benton County, TNTN16,1839–

1645Decatur County, TNTN11,8209–

1646Humphreys County, TNTN19,6469–

1647Amherst County, VAVA31,9629–

1648Caroline County, VAVA34,4139–

1649Essex County, VAVA10,6549–

1650Fauquier County, VAVA76,5039–

1651Hanover County, VAVA116,4239–

1652Henry County, VAVA49,2429–

1653King George County, VAVA29,6469–

1654Prince William County, VAVA502,9669–

1655Richmond County, VAVA9,2949–

1656Fredericksburg, VAVA30,3939–

1657Lynchburg, VAVA81,3479–

1658Manassas, VAVA44,3329–

1659Manassas Park, VAVA16,5609–

1660Martinsville, VAVA13,8499–

1661Douglas County, WAWA46,4739–

1662Ferry County, WAWA7,5179–

1663Klickitat County, WAWA24,3319–

1664Lincoln County, WAWA11,9829–

1665Sheridan County, WYWY33,2419–

1666Chambers County, ALAL34,2538–

1667Randolph County, ALAL23,1638–

1668Modoc County, CACA8,4268–

1669Boulder County, COCO328,5608–

1670Broomfield County, COCO79,1748–

1671District of Columbia, DCDC693,6458–

1672Collier County, FLFL417,1318–

1673Indian River County, FLFL172,7998–

1674Nassau County, FLFL106,8798–

1675Barrow County, GAGA99,7738–

1676Camden County, GAGA60,1438–

1677Madison County, GAGA32,9198–

1678Meriwether County, GAGA21,5168–

1679Troup County, GAGA72,8448–

1680Walton County, GAGA112,6968–

1681Nez Perce County, IDID42,9058–

1682Clinton County, ILIL37,1288–

1683Henry County, ILIL48,0958–

1684Knox County, ILIL47,7678–

1685Marshall County, ILIL11,4738–

1686Perry County, ILIL20,1608–

1687Putnam County, ILIL5,6198–

1688Washington County, ILIL13,5648–

1689Boone County, IAIA26,7998–

1690Buena Vista County, IAIA20,4498–

1691Clay County, IAIA16,2028–

1692Emmet County, IAIA9,1078–

1693Franklin County, IAIA9,8688–

1694Grundy County, IAIA12,3618–

1695Hamilton County, IAIA14,9448–

1696Hancock County, IAIA10,5288–

1697Humboldt County, IAIA9,4098–

1698Kossuth County, IAIA14,3228–

1699O'Brien County, IAIA14,2208–

1700Palo Alto County, IAIA8,8998–

1701Wright County, IAIA12,8018–

1702Prince George's County, MDMD970,3748–

1703Bristol County, MAMA593,6408–

1704Plymouth County, MAMA546,8298–

1705Anoka County, MNMN381,6058–

1706Blue Earth County, MNMN70,6348–

1707Faribault County, MNMN13,8888–

1708Jackson County, MNMN9,8578–

1709Martin County, MNMN19,4408–

1710Nobles County, MNMN22,3388–

1711Watonwan County, MNMN11,4598–

1712Franklin County, MOMO108,0908–

1713Gasconade County, MOMO14,7848–

1714Pershing County, NVNV6,4218–

1715Burke County, NCNC88,6558–

1716Catawba County, NCNC170,1728–

1717Lincoln County, NCNC98,6548–

1718Polk County, NCNC20,5338–

1719Barnes County, NDND10,5738–

1720Benson County, NDND5,7598–

1721Cass County, NDND201,7948–

1722Eddy County, NDND2,3298–

1723Foster County, NDND3,2128–

1724LaMoure County, NDND4,1358–

1725Sheridan County, NDND1,2968–

1726Stutsman County, NDND21,4148–

1727Wells County, NDND3,7298–

1728Harney County, OROR7,3808–

1729Jefferson County, OROR25,7408–

1730Wasco County, OROR26,3108–

1731Wheeler County, OROR1,4728–

1732Bristol County, RIRI50,0018–

1733Kent County, RIRI173,4958–

1734Newport County, RIRI83,0518–

1735Providence County, RIRI678,1798–

1736Cherokee County, SCSC58,2758–

1737Georgetown County, SCSC65,9128–

1738Greenville County, SCSC583,1258–

1739Arlington County, VAVA243,9318–

1740Clarke County, VAVA15,6098–

1741Fairfax County, VAVA1,167,8738–

1742King and Queen County, VAVA6,7438–

1743Loudoun County, VAVA449,7498–

1744New Kent County, VAVA28,0228–

1745Page County, VAVA23,7628–

1746Rappahannock County, VAVA7,4398–

1747Warren County, VAVA42,7408–

1748Alexandria, VAVA160,6628–

1749Fairfax, VAVA26,7728–

1750Falls Church, VAVA15,1598–

1751Winchester, VAVA28,2728–

1752Garfield County, WAWA2,4168–

1753Spokane County, WAWA558,3448–

1754Jefferson County, WVWV63,1028–

1755Crook County, WYWY7,8528–

1756Bibb County, ALAL22,2627–

1757Calhoun County, ALAL115,8347–

1758Chilton County, ALAL47,7087–

1759Cullman County, ALAL94,0097–

1760Franklin County, ALAL32,4497–

1761Lawrence County, ALAL33,8437–

1762Morgan County, ALAL126,4837–

1763St. Clair County, ALAL98,2067–

1764Shelby County, ALAL238,5527–

1765Tuscaloosa County, ALAL241,3687–

1766Alameda County, CACA1,636,6307–

1767Mendocino County, CACA88,1227–

1768Nevada County, CACA101,9117–

1769San Mateo County, CACA743,5687–

1770La Plata County, COCO56,8987–

1771Montezuma County, COCO26,6787–

1772Southeastern Connecticut Planning Region, CTCT284,0157–

1773Carroll County, GAGA131,0367–

1774Cherokee County, GAGA299,2737–

1775Cobb County, GAGA793,3457–

1776DeKalb County, GAGA774,3947–

1777Douglas County, GAGA154,2937–

1778Fayette County, GAGA125,1567–

1779Floyd County, GAGA101,3787–

1780Fulton County, GAGA1,098,7917–

1781Heard County, GAGA12,1497–

1782Paulding County, GAGA190,9967–

1783Bureau County, ILIL32,5107–

1784Franklin County, ILIL36,9167–

1785Greene County, ILIL11,3137–

1786Hamilton County, ILIL7,8597–

1787Jersey County, ILIL21,1607–

1788LaSalle County, ILIL107,7737–

1789Macoupin County, ILIL43,7487–

1790Madison County, ILIL263,1107–

1791Mason County, ILIL12,4117–

1792Monroe County, ILIL34,8407–

1793Peoria County, ILIL178,5537–

1794St. Clair County, ILIL250,7087–

1795Tazewell County, ILIL130,0497–

1796White County, ILIL13,2507–

1797Woodford County, ILIL38,1117–

1798Posey County, ININ24,9887–

1799Spencer County, ININ20,0617–

1800Vanderburgh County, ININ181,9957–

1801Warrick County, ININ66,8037–

1802Dickinson County, IAIA18,0777–

1803Osceola County, IAIA5,9807–

1804Winnebago County, IAIA10,2517–

1805Bullitt County, KYKY86,4547–

1806Daviess County, KYKY104,8987–

1807Henderson County, KYKY44,2557–

1808McLean County, KYKY9,0647–

1809Ohio County, KYKY23,9347–

1810Spencer County, KYKY20,9987–

1811Frederick County, MDMD302,8837–

1812Howard County, MDMD339,1837–

1813Montgomery County, MDMD1,074,5827–

1814Suffolk County, MAMA791,8917–

1815Tishomingo County, MSMS18,6397–

1816Jefferson County, MOMO233,1327–

1817St. Louis, MOMO278,1447–

1818Chouteau County, MTMT5,8657–

1819Liberty County, MTMT1,9577–

1820Pondera County, MTMT6,0727–

1821Teton County, MTMT6,4967–

1822Toole County, MTMT5,2117–

1823Atlantic County, NJNJ278,6577–

1824Gloucester County, NJNJ312,6387–

1825Socorro County, NMNM15,8387–

1826Torrance County, NMNM16,1007–

1827Union County, NMNM3,8447–

1828Bottineau County, NDND6,2847–

1829McHenry County, NDND5,1307–

1830Pierce County, NDND3,8387–

1831Ward County, NDND68,2337–

1832Deschutes County, OROR213,0727–

1833Lake County, OROR8,1877–

1834Washington County, RIRI129,7957–

1835Colleton County, SCSC39,3827–

1836Dorchester County, SCSC178,3977–

1837Jasper County, SCSC38,5337–

1838Davidson County, TNTN745,9047–

1839Sumner County, TNTN215,5387–

1840Racine County, WIWI198,9197–

1841Walworth County, WIWI106,1277–

1842Laramie County, WYWY102,9387–

1843Blount County, ALAL60,1566–

1844Cherokee County, ALAL26,4136–

1845Clay County, ALAL14,2076–

1846Cleburne County, ALAL15,9706–

1847Colbert County, ALAL59,4746–

1848Etowah County, ALAL103,8866–

1849Fayette County, ALAL15,8726–

1850Jefferson County, ALAL665,7426–

1851Lamar County, ALAL13,5876–

1852Limestone County, ALAL122,9286–

1853Marion County, ALAL29,0976–

1854Marshall County, ALAL103,5376–

1855Walker County, ALAL65,1406–

1856Winston County, ALAL23,8296–

1857Calaveras County, CACA46,6056–

1858Contra Costa County, CACA1,170,0706–

1859Humboldt County, CACA131,6476–

1860Trinity County, CACA15,7206–

1861Northeastern Connecticut Planning Region, CTCT98,0966–

1862Kent County, DEDE194,7866–

1863Sussex County, DEDE277,1406–

1864Banks County, GAGA21,2736–

1865Bartow County, GAGA120,8006–

1866Chattooga County, GAGA25,3006–

1867Forsyth County, GAGA282,8056–

1868Franklin County, GAGA25,9486–

1869Gordon County, GAGA61,7016–

1870Hall County, GAGA226,5686–

1871Harris County, GAGA37,2806–

1872Jackson County, GAGA99,2656–

1873Pickens County, GAGA37,1676–

1874Polk County, GAGA45,5146–

1875Stephens County, GAGA27,8546–

1876Bannock County, IDID91,5916–

1877Kootenai County, IDID191,8646–

1878Power County, IDID8,2466–

1879Bond County, ILIL16,9596–

1880Carroll County, ILIL15,4196–

1881Clay County, ILIL12,7936–

1882Edwards County, ILIL5,8986–

1883Fayette County, ILIL20,7906–

1884Grundy County, ILIL54,0526–

1885Jefferson County, ILIL36,1476–

1886Jo Daviess County, ILIL21,5946–

1887Lee County, ILIL32,9146–

1888Livingston County, ILIL35,0576–

1889Logan County, ILIL27,1826–

1890McLean County, ILIL171,4196–

1891Marion County, ILIL36,3826–

1892Stark County, ILIL5,3196–

1893Wabash County, ILIL10,9076–

1894Wayne County, ILIL15,8826–

1895Whiteside County, ILIL54,1216–

1896Gibson County, ININ33,0916–

1897Pike County, ININ12,0036–

1898Black Hawk County, IAIA131,5326–

1899Jackson County, IAIA19,2886–

1900Jones County, IAIA21,2536–

1901Linn County, IAIA232,0286–

1902Butler County, KYKY12,5206–

1903Christian County, KYKY70,1156–

1904Edmonson County, KYKY12,7496–

1905Hardin County, KYKY113,4826–

1906Logan County, KYKY28,6696–

1907Simpson County, KYKY20,7886–

1908Todd County, KYKY12,9726–

1909Warren County, KYKY149,3756–

1910Caroline County, MDMD34,1166–

1911Cecil County, MDMD107,1316–

1912Kent County, MDMD19,5656–

1913Somerset County, MDMD24,9736–

1914Washington County, MDMD157,7316–

1915Wicomico County, MDMD106,8996–

1916Norfolk County, MAMA739,7496–

1917Clay County, MNMN67,7346–

1918Dodge County, MNMN21,3766–

1919Olmsted County, MNMN166,7316–

1920Steele County, MNMN37,4646–

1921Waseca County, MNMN18,6886–

1922Carbon County, MTMT11,4666–

1923White Pine County, NVNV8,6616–

1924Essex County, NJNJ896,3796–

1925Hudson County, NJNJ735,0336–

1926Mercer County, NJNJ399,2896–

1927Union County, NJNJ601,8636–

1928Kings County, NYNY2,653,9636–

1929New York County, NYNY1,664,8626–

1930Queens County, NYNY2,358,1826–

1931Beaufort County, NCNC44,6706–

1932Craven County, NCNC105,0256–

1933Lenoir County, NCNC55,8376–

1934Jackson County, OROR221,7956–

1935Wallowa County, OROR7,5956–

1936Philadelphia County, PAPA1,574,2816–

1937Oconee County, SCSC83,7756–

1938Cheatham County, TNTN42,7786–

1939Dickson County, TNTN58,6626–

1940Houston County, TNTN8,4796–

1941Montgomery County, TNTN249,9356–

1942Perry County, TNTN9,1266–

1943Robertson County, TNTN80,1756–

1944Williamson County, TNTN272,0616–

1945Bedford County, VAVA83,0596–

1946Franklin County, VAVA55,5266–

1947Rockingham County, VAVA89,3166–

1948Harrisonburg, VAVA50,8396–

1949Staunton, VAVA26,8016–

1950Waynesboro, VAVA23,9516–

1951Berkeley County, WVWV139,5226–

1952Morgan County, WVWV18,0276–

1953Juneau County, WIWI26,6496–

1954Lafayette County, WIWI17,4786–

1955Pepin County, WIWI7,5136–

1956Pierce County, WIWI43,5196–

1957Lauderdale County, ALAL97,1355–

1958Madison County, ALAL433,5165–

1959Glenn County, CACA28,1415–

1960Lassen County, CACA28,1175–

1961New Castle County, DEDE588,0265–

1962Catoosa County, GAGA69,6285–

1963Dade County, GAGA16,1545–

1964Gwinnett County, GAGA1,018,0995–

1965Haralson County, GAGA33,0665–

1966Murray County, GAGA41,6075–

1967Walker County, GAGA70,2505–

1968Whitfield County, GAGA106,2125–

1969Elmore County, IDID29,4655–

1970Oneida County, IDID5,0855–

1971Champaign County, ILIL209,9725–

1972Christian County, ILIL33,4435–

1973Clark County, ILIL15,1145–

1974Coles County, ILIL46,6075–

1975Crawford County, ILIL18,6485–

1976Cumberland County, ILIL10,2085–

1977De Witt County, ILIL15,1185–

1978Douglas County, ILIL19,8805–

1979Edgar County, ILIL16,3235–

1980Effingham County, ILIL34,5195–

1981Jasper County, ILIL9,0325–

1982Lawrence County, ILIL13,7905–

1983Macon County, ILIL99,3005–

1984Montgomery County, ILIL28,0765–

1985Moultrie County, ILIL14,3715–

1986Piatt County, ILIL16,7915–

1987Richland County, ILIL15,2195–

1988Sangamon County, ILIL194,1705–

1989Shelby County, ILIL20,5765–

1990Vermilion County, ILIL71,2595–

1991Brown County, ININ15,7775–

1992Clay County, ININ26,4105–

1993Crawford County, ININ10,5095–

1994Daviess County, ININ34,2095–

1995Dubois County, ININ44,0165–

1996Floyd County, ININ82,1535–

1997Greene County, ININ31,1655–

1998Harrison County, ININ40,4375–

1999Jackson County, ININ47,3705–

2000Knox County, ININ35,6525–

SHOWING 1,501–2,000 OF 3,144

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES