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 –

1501Nelson County, VAVA14,92010–

1502Orange County, VAVA40,08310–

1503Pittsylvania County, VAVA59,49010–

1504Spotsylvania County, VAVA155,38810–

1505Stafford County, VAVA170,80310–

1506Charlottesville, VAVA44,38810–

1507Twin Falls County, IDID97,53910–

1508Henderson County, ILIL5,98410–

1509Renville County, NDND2,33110–

1510Des Moines County, IAIA38,07710–

1511Saline County, ILIL22,77210–

1512Santa Barbara County, CACA442,06510–

1513Poweshiek County, IAIA18,36810–

1514Pike County, GAGA20,93210–

1515Carver County, MNMN114,37910–

1516Hennepin County, MNMN1,284,78410–

1517Calhoun County, ILIL4,30010–

1518Scott County, MNMN159,01710–

1519Hendry County, FLFL48,27610–

1520Martin County, FLFL166,27210–

1521Palm Beach County, FLFL1,575,72610–

1522Volusia County, FLFL606,57310–

1523Chatham County, GAGA311,85510–

1524Clayton County, GAGA297,47110–

1525Coweta County, GAGA160,24010–

1526Henry County, GAGA264,92210–

1527Lamar County, GAGA20,94110–

1528Spalding County, GAGA70,77510–

1529Cassia County, IDID26,39710–

1530Franklin County, IDID15,88910–

1531Gem County, IDID21,77310–

1532Lewis County, IDID3,70410–

1533Minidoka County, IDID22,91110–

1534Gallatin County, ILIL4,61610–

1535Hardin County, ILIL3,58810–

1536Jackson County, ILIL52,50110–

1537Johnson County, ILIL13,36310–

1538Massac County, ILIL13,50210–

1539Mercer County, ILIL15,22910–

1540Pope County, ILIL3,67210–

1541Pulaski County, ILIL4,82010–

1542Randolph County, ILIL29,92110–

1543Union County, ILIL16,65610–

1544Williamson County, ILIL67,22510–

1545Guthrie County, IAIA10,78210–

1546Hardin County, IAIA16,45510–

1547Iowa County, IAIA16,50410–

1548Louisa County, IAIA10,41610–

1549Marshall County, IAIA39,89010–

1550Muscatine County, IAIA41,85310–

1551Tama County, IAIA16,79610–

1552Ballard County, KYKY7,59410–

1553Carlisle County, KYKY4,74710–

1554Crittenden County, KYKY8,80710–

1555Graves County, KYKY37,05010–

1556Hopkins County, KYKY45,12710–

1557Livingston County, KYKY8,86310–

1558Lyon County, KYKY9,12310–

1559McCracken County, KYKY67,55310–

1560Muhlenberg County, KYKY30,63410–

1561Valley County, MTMT7,38510–

1562Stanly County, NCNC68,83010–

1563Beaver County, UTUT7,30110–

1564Coosa County, ALAL10,1619–

1565Santa Cruz County, AZAZ50,0209–

1566Divide County, NDND2,1109–

1567Lake County, CACA67,7729–

1568Goodhue County, MNMN48,1959–

1569Grant County, MNMN6,0859–

1570Stevens County, MNMN9,7479–

1571Swift County, MNMN9,7639–

1572Washington County, MNMN286,8959–

1573Alcorn County, MSMS34,5699–

1574Benton County, MSMS7,5029–

1575Itawamba County, MSMS24,1529–

1576Tippah County, MSMS21,3899–

1577Union County, MSMS28,4599–

1578Audrain County, MOMO24,5289–

1579Callaway County, MOMO45,7659–

1580Dent County, MOMO14,5849–

1581Howard County, MOMO10,1809–

1582Iron County, MOMO9,3189–

1583Madison County, MOMO12,8589–

1584Montgomery County, MOMO11,5909–

1585Morgan County, MOMO22,4189–

1586Osage County, MOMO13,6119–

1587Phelps County, MOMO45,2479–

1588Pike County, MOMO17,9559–

1589Pulaski County, MOMO54,4429–

1590Ralls County, MOMO10,4449–

1591Reynolds County, MOMO5,9929–

1592St. Francois County, MOMO67,8099–

1593Shannon County, MOMO7,2859–

1594Texas County, MOMO25,9949–

1595Warren County, MOMO39,0169–

1596Washington County, MOMO23,8109–

1597Wayne County, MOMO10,7829–

1598Webster County, MOMO43,0549–

1599Wright County, MOMO19,6719–

1600Daniels County, MTMT1,6129–

1601Storey County, NVNV4,2609–

1602Burlington County, NJNJ481,4399–

1603Camden County, NJNJ535,7999–

1604Cumberland County, NJNJ157,1489–

1605McKinley County, NMNM68,1199–

1606Santa Fe County, NMNM156,9079–

1607Burke County, NDND2,1329–

1608Burleigh County, NDND103,2519–

1609Kidder County, NDND2,3939–

1610Williams County, NDND41,7679–

1611Crook County, OROR27,5649–

1612Berkeley County, SCSC274,6669–

1613Spartanburg County, SCSC380,8579–

1614Williamsburg County, SCSC29,6629–

1615Benton County, TNTN16,1839–

1616Decatur County, TNTN11,8209–

1617Humphreys County, TNTN19,6469–

1618Amherst County, VAVA31,9629–

1619Essex County, VAVA10,6549–

1620Fauquier County, VAVA76,5039–

1621Hanover County, VAVA116,4239–

1622Henry County, VAVA49,2429–

1623King George County, VAVA29,6469–

1624Prince William County, VAVA502,9669–

1625Richmond County, VAVA9,2949–

1626Fredericksburg, VAVA30,3939–

1627Crawford County, MOMO22,9299–

1628Caroline County, VAVA34,4139–

1629Sheridan County, WYWY33,2419–

1630Salem County, NJNJ66,2809–

1631Greene County, IAIA8,6589–

1632Charleston County, SCSC436,2009–

1633Rock Island County, ILIL141,8699–

1634Sherburne County, MNMN104,1949–

1635Ocean County, NJNJ673,7469–

1636Glades County, FLFL13,2709–

1637Lee County, FLFL875,6079–

1638St. Johns County, FLFL346,3289–

1639Cass County, ILIL12,4639–

1640Fulton County, ILIL32,9019–

1641Menard County, ILIL11,8639–

1642Scott County, ILIL4,8669–

1643Audubon County, IAIA5,5099–

1644Benton County, IAIA26,0049–

1645Calhoun County, IAIA9,5629–

1646Carroll County, IAIA20,3039–

1647Cedar County, IAIA18,3599–

1648Clinton County, IAIA46,0029–

1649Pocahontas County, IAIA6,8199–

1650Scott County, IAIA175,2599–

1651Story County, IAIA101,2919–

1652Webster County, IAIA36,8389–

1653Trigg County, KYKY14,5129–

1654Charles County, MDMD176,5939–

1655Stillwater County, MTMT9,4459–

1656Eureka County, NVNV1,8679–

1657Aiken County, SCSC181,5159–

1658Lynchburg, VAVA81,3479–

1659Manassas, VAVA44,3329–

1660Manassas Park, VAVA16,5609–

1661Martinsville, VAVA13,8499–

1662Douglas County, WAWA46,4739–

1663Ferry County, WAWA7,5179–

1664Klickitat County, WAWA24,3319–

1665Lincoln County, WAWA11,9829–

1666Chambers County, ALAL34,2538–

1667Randolph County, ALAL23,1638–

1668Cass County, NDND201,7948–

1669Eddy County, NDND2,3298–

1670Foster County, NDND3,2128–

1671Modoc County, CACA8,4268–

1672Bristol County, MAMA593,6408–

1673Plymouth County, MAMA546,8298–

1674Anoka County, MNMN381,6058–

1675Blue Earth County, MNMN70,6348–

1676Faribault County, MNMN13,8888–

1677Jackson County, MNMN9,8578–

1678Martin County, MNMN19,4408–

1679Nobles County, MNMN22,3388–

1680Watonwan County, MNMN11,4598–

1681Franklin County, MOMO108,0908–

1682Gasconade County, MOMO14,7848–

1683Burke County, NCNC88,6558–

1684Polk County, NCNC20,5338–

1685Barnes County, NDND10,5738–

1686Benson County, NDND5,7598–

1687LaMoure County, NDND4,1358–

1688Sheridan County, NDND1,2968–

1689Stutsman County, NDND21,4148–

1690Wells County, NDND3,7298–

1691Harney County, OROR7,3808–

1692Wasco County, OROR26,3108–

1693Wheeler County, OROR1,4728–

1694Bristol County, RIRI50,0018–

1695Kent County, RIRI173,4958–

1696Newport County, RIRI83,0518–

1697Providence County, RIRI678,1798–

1698Cherokee County, SCSC58,2758–

1699Georgetown County, SCSC65,9128–

1700Greenville County, SCSC583,1258–

1701Arlington County, VAVA243,9318–

1702Clarke County, VAVA15,6098–

1703Fairfax County, VAVA1,167,8738–

1704Loudoun County, VAVA449,7498–

1705New Kent County, VAVA28,0228–

1706Page County, VAVA23,7628–

1707Rappahannock County, VAVA7,4398–

1708Warren County, VAVA42,7408–

1709Alexandria, VAVA160,6628–

1710Fairfax, VAVA26,7728–

1711Jefferson County, WVWV63,1028–

1712Crook County, WYWY7,8528–

1713Clinton County, ILIL37,1288–

1714Jefferson County, OROR25,7408–

1715Catawba County, NCNC170,1728–

1716Falls Church, VAVA15,1598–

1717Walton County, GAGA112,6968–

1718King and Queen County, VAVA6,7438–

1719Boulder County, COCO328,5608–

1720Broomfield County, COCO79,1748–

1721District of Columbia, DCDC693,6458–

1722Collier County, FLFL417,1318–

1723Indian River County, FLFL172,7998–

1724Nassau County, FLFL106,8798–

1725Barrow County, GAGA99,7738–

1726Camden County, GAGA60,1438–

1727Madison County, GAGA32,9198–

1728Meriwether County, GAGA21,5168–

1729Troup County, GAGA72,8448–

1730Nez Perce County, IDID42,9058–

1731Henry County, ILIL48,0958–

1732Knox County, ILIL47,7678–

1733Marshall County, ILIL11,4738–

1734Perry County, ILIL20,1608–

1735Putnam County, ILIL5,6198–

1736Washington County, ILIL13,5648–

1737Boone County, IAIA26,7998–

1738Buena Vista County, IAIA20,4498–

1739Clay County, IAIA16,2028–

1740Emmet County, IAIA9,1078–

1741Franklin County, IAIA9,8688–

1742Grundy County, IAIA12,3618–

1743Hamilton County, IAIA14,9448–

1744Hancock County, IAIA10,5288–

1745Humboldt County, IAIA9,4098–

1746Kossuth County, IAIA14,3228–

1747O'Brien County, IAIA14,2208–

1748Palo Alto County, IAIA8,8998–

1749Wright County, IAIA12,8018–

1750Prince George's County, MDMD970,3748–

1751Pershing County, NVNV6,4218–

1752Lincoln County, NCNC98,6548–

1753Winchester, VAVA28,2728–

1754Garfield County, WAWA2,4168–

1755Spokane County, WAWA558,3448–

1756Bibb County, ALAL22,2627–

1757Davidson County, TNTN745,9047–

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–

1764Tuscaloosa County, ALAL241,3687–

1765Alameda County, CACA1,636,6307–

1766Sumner County, TNTN215,5387–

1767Mendocino County, CACA88,1227–

1768Nevada County, CACA101,9117–

1769Teton County, MTMT6,4967–

1770Bullitt County, KYKY86,4547–

1771Suffolk County, MAMA791,8917–

1772Tishomingo County, MSMS18,6397–

1773Jefferson County, MOMO233,1327–

1774St. Louis, MOMO278,1447–

1775Chouteau County, MTMT5,8657–

1776Pondera County, MTMT6,0727–

1777Atlantic County, NJNJ278,6577–

1778Gloucester County, NJNJ312,6387–

1779Socorro County, NMNM15,8387–

1780Torrance County, NMNM16,1007–

1781Union County, NMNM3,8447–

1782Bottineau County, NDND6,2847–

1783McHenry County, NDND5,1307–

1784Pierce County, NDND3,8387–

1785Ward County, NDND68,2337–

1786Deschutes County, OROR213,0727–

1787Lake County, OROR8,1877–

1788Colleton County, SCSC39,3827–

1789Jasper County, SCSC38,5337–

1790Liberty County, MTMT1,9577–

1791Racine County, WIWI198,9197–

1792Laramie County, WYWY102,9387–

1793Cobb County, GAGA793,3457–

1794Shelby County, ALAL238,5527–

1795Dorchester County, SCSC178,3977–

1796Spencer County, KYKY20,9987–

1797San Mateo County, CACA743,5687–

1798Monroe County, ILIL34,8407–

1799St. Clair County, ILIL250,7087–

1800Calhoun County, ALAL115,8347–

1801La Plata County, COCO56,8987–

1802Montezuma County, COCO26,6787–

1803Southeastern Connecticut Planning Region, CTCT284,0157–

1804Carroll County, GAGA131,0367–

1805Cherokee County, GAGA299,2737–

1806DeKalb County, GAGA774,3947–

1807Douglas County, GAGA154,2937–

1808Fayette County, GAGA125,1567–

1809Floyd County, GAGA101,3787–

1810Fulton County, GAGA1,098,7917–

1811Heard County, GAGA12,1497–

1812Paulding County, GAGA190,9967–

1813Bureau County, ILIL32,5107–

1814Franklin County, ILIL36,9167–

1815Greene County, ILIL11,3137–

1816Hamilton County, ILIL7,8597–

1817Jersey County, ILIL21,1607–

1818LaSalle County, ILIL107,7737–

1819Macoupin County, ILIL43,7487–

1820Madison County, ILIL263,1107–

1821Mason County, ILIL12,4117–

1822Peoria County, ILIL178,5537–

1823Tazewell County, ILIL130,0497–

1824White County, ILIL13,2507–

1825Woodford County, ILIL38,1117–

1826Posey County, ININ24,9887–

1827Spencer County, ININ20,0617–

1828Vanderburgh County, ININ181,9957–

1829Warrick County, ININ66,8037–

1830Dickinson County, IAIA18,0777–

1831Osceola County, IAIA5,9807–

1832Winnebago County, IAIA10,2517–

1833Daviess County, KYKY104,8987–

1834Henderson County, KYKY44,2557–

1835McLean County, KYKY9,0647–

1836Ohio County, KYKY23,9347–

1837Frederick County, MDMD302,8837–

1838Howard County, MDMD339,1837–

1839Montgomery County, MDMD1,074,5827–

1840Toole County, MTMT5,2117–

1841Washington County, RIRI129,7957–

1842Walworth County, WIWI106,1277–

1843Kings County, NYNY2,653,9636–

1844Cherokee County, ALAL26,4136–

1845Clay County, ALAL14,2076–

1846Cleburne County, ALAL15,9706–

1847Colbert County, ALAL59,4746–

1848Etowah County, ALAL103,8866–

1849Fayette County, ALAL15,8726–

1850Lamar County, ALAL13,5876–

1851Limestone County, ALAL122,9286–

1852Marion County, ALAL29,0976–

1853Marshall County, ALAL103,5376–

1854Polk County, GAGA45,5146–

1855Walker County, ALAL65,1406–

1856Winston County, ALAL23,8296–

1857Calaveras County, CACA46,6056–

1858Contra Costa County, CACA1,170,0706–

1859Humboldt County, CACA131,6476–

1860Carroll County, ILIL15,4196–

1861Butler County, KYKY12,5206–

1862Warren County, KYKY149,3756–

1863Washington County, MDMD157,7316–

1864Wicomico County, MDMD106,8996–

1865Norfolk County, MAMA739,7496–

1866Clay County, MNMN67,7346–

1867Dodge County, MNMN21,3766–

1868Olmsted County, MNMN166,7316–

1869Steele County, MNMN37,4646–

1870Waseca County, MNMN18,6886–

1871Carbon County, MTMT11,4666–

1872White Pine County, NVNV8,6616–

1873Essex County, NJNJ896,3796–

1874Mercer County, NJNJ399,2896–

1875Union County, NJNJ601,8636–

1876New York County, NYNY1,664,8626–

1877Queens County, NYNY2,358,1826–

1878Beaufort County, NCNC44,6706–

1879Craven County, NCNC105,0256–

1880Jackson County, OROR221,7956–

1881Wallowa County, OROR7,5956–

1882Oconee County, SCSC83,7756–

1883Cheatham County, TNTN42,7786–

1884Dickson County, TNTN58,6626–

1885Houston County, TNTN8,4796–

1886Montgomery County, TNTN249,9356–

1887Perry County, TNTN9,1266–

1888Williamson County, TNTN272,0616–

1889Bedford County, VAVA83,0596–

1890Franklin County, VAVA55,5266–

1891Rockingham County, VAVA89,3166–

1892Berkeley County, WVWV139,5226–

1893Blount County, ALAL60,1566–

1894Lafayette County, WIWI17,4786–

1895Pepin County, WIWI7,5136–

1896Pierce County, WIWI43,5196–

1897Logan County, KYKY28,6696–

1898Jefferson County, ALAL665,7426–

1899Pickens County, GAGA37,1676–

1900Edmonson County, KYKY12,7496–

1901Morgan County, WVWV18,0276–

1902Robertson County, TNTN80,1756–

1903Hudson County, NJNJ735,0336–

1904Trinity County, CACA15,7206–

1905Northeastern Connecticut Planning Region, CTCT98,0966–

1906Kent County, DEDE194,7866–

1907Sussex County, DEDE277,1406–

1908Banks County, GAGA21,2736–

1909Bartow County, GAGA120,8006–

1910Chattooga County, GAGA25,3006–

1911Forsyth County, GAGA282,8056–

1912Franklin County, GAGA25,9486–

1913Gordon County, GAGA61,7016–

1914Hall County, GAGA226,5686–

1915Harris County, GAGA37,2806–

1916Jackson County, GAGA99,2656–

1917Stephens County, GAGA27,8546–

1918Bannock County, IDID91,5916–

1919Kootenai County, IDID191,8646–

1920Power County, IDID8,2466–

1921Bond County, ILIL16,9596–

1922Clay County, ILIL12,7936–

1923Edwards County, ILIL5,8986–

1924Fayette County, ILIL20,7906–

1925Grundy County, ILIL54,0526–

1926Jefferson County, ILIL36,1476–

1927Jo Daviess County, ILIL21,5946–

1928Lee County, ILIL32,9146–

1929Livingston County, ILIL35,0576–

1930Logan County, ILIL27,1826–

1931McLean County, ILIL171,4196–

1932Marion County, ILIL36,3826–

1933Stark County, ILIL5,3196–

1934Wabash County, ILIL10,9076–

1935Wayne County, ILIL15,8826–

1936Whiteside County, ILIL54,1216–

1937Gibson County, ININ33,0916–

1938Pike County, ININ12,0036–

1939Black Hawk County, IAIA131,5326–

1940Jackson County, IAIA19,2886–

1941Jones County, IAIA21,2536–

1942Linn County, IAIA232,0286–

1943Christian County, KYKY70,1156–

1944Hardin County, KYKY113,4826–

1945Simpson County, KYKY20,7886–

1946Todd County, KYKY12,9726–

1947Caroline County, MDMD34,1166–

1948Cecil County, MDMD107,1316–

1949Kent County, MDMD19,5656–

1950Somerset County, MDMD24,9736–

1951Lenoir County, NCNC55,8376–

1952Philadelphia County, PAPA1,574,2816–

1953Harrisonburg, VAVA50,8396–

1954Staunton, VAVA26,8016–

1955Waynesboro, VAVA23,9516–

1956Juneau County, WIWI26,6496–

1957Lauderdale County, ALAL97,1355–

1958Bath County, KYKY13,1765–

1959Boone County, KYKY145,3165–

1960Bourbon County, KYKY20,2435–

1961Boyd County, KYKY47,7515–

1962Grand Forks County, NDND74,5015–

1963Glenn County, CACA28,1415–

1964Lassen County, CACA28,1175–

1965Griggs County, NDND2,2395–

1966Sullivan County, ININ20,8315–

1967Breckinridge County, KYKY21,5035–

1968Campbell County, KYKY95,4415–

1969Robertson County, KYKY2,3255–

1970Washington County, KYKY12,3685–

1971Wolfe County, KYKY6,2985–

1972Worcester County, MDMD54,4595–

1973Douglas County, MNMN40,1205–

1974Meeker County, MNMN23,6035–

1975Norman County, MNMN6,3365–

1976Polk County, MNMN30,5455–

1977Cascade County, MTMT85,0295–

1978Gallatin County, MTMT128,7405–

1979Strafford County, NHNH135,0435–

1980Hunterdon County, NJNJ131,7815–

1981Somerset County, NJNJ356,4865–

1982Cleveland County, NCNC103,3255–

1983Jones County, NCNC9,5755–

1984Rutherford County, NCNC65,7455–

1985Tyrrell County, NCNC3,5375–

1986Wilkes County, NCNC66,2335–

1987Mountrail County, NDND9,3955–

1988Nelson County, NDND2,9635–

1989Ramsey County, NDND11,5305–

1990Steele County, NDND1,7975–

1991Towner County, NDND2,0405–

1992Traill County, NDND7,9205–

1993Walsh County, NDND10,1795–

1994Athens County, OHOH63,1975–

1995Gallia County, OHOH29,0725–

1996Jackson County, OHOH32,8175–

1997Lawrence County, OHOH55,7105–

1998Meigs County, OHOH21,5875–

1999Scioto County, OHOH71,3655–

2000Grant County, OROR7,0755–

SHOWING 1,501–2,000 OF 3,144

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