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 –

2001Lawrence County, ININ45,5685–

2002Martin County, ININ9,8565–

2003Monroe County, ININ143,3455–

2004Morgan County, ININ74,9675–

2005Ohio County, ININ5,9945–

2006Orange County, ININ19,8345–

2007Perry County, ININ19,3895–

2008Sullivan County, ININ20,8315–

2009Vermillion County, ININ15,4885–

2010Vigo County, ININ106,5125–

2011Washington County, ININ28,3835–

2012Adair County, KYKY19,4235–

2013Allen County, KYKY22,5365–

2014Barren County, KYKY45,6415–

2015Bath County, KYKY13,1765–

2016Boone County, KYKY145,3165–

2017Bourbon County, KYKY20,2435–

2018Boyd County, KYKY47,7515–

2019Breckinridge County, KYKY21,5035–

2020Campbell County, KYKY95,4415–

2021Clark County, KYKY37,8885–

2022Estill County, KYKY13,9625–

2023Fayette County, KYKY329,7515–

2024Fleming County, KYKY15,7875–

2025Gallatin County, KYKY8,8405–

2026Garrard County, KYKY18,2075–

2027Grant County, KYKY26,1815–

2028Grayson County, KYKY27,4065–

2029Greenup County, KYKY35,2135–

2030Hancock County, KYKY9,0505–

2031Harrison County, KYKY19,6275–

2032Hart County, KYKY20,1175–

2033Jefferson County, KYKY795,2225–

2034Jessamine County, KYKY57,1475–

2035Johnson County, KYKY22,0515–

2036Kenton County, KYKY175,7795–

2037Larue County, KYKY15,1845–

2038Lawrence County, KYKY15,7655–

2039Lee County, KYKY7,2975–

2040Madison County, KYKY101,6965–

2041Marion County, KYKY20,1155–

2042Martin County, KYKY10,6975–

2043Meade County, KYKY30,6995–

2044Menifee County, KYKY6,4305–

2045Mercer County, KYKY23,7335–

2046Metcalfe County, KYKY10,5835–

2047Montgomery County, KYKY28,8225–

2048Morgan County, KYKY14,4155–

2049Nelson County, KYKY49,0365–

2050Nicholas County, KYKY7,9495–

2051Owen County, KYKY11,6015–

2052Owsley County, KYKY3,9325–

2053Pendleton County, KYKY14,8005–

2054Powell County, KYKY12,8125–

2055Robertson County, KYKY2,3255–

2056Washington County, KYKY12,3685–

2057Wolfe County, KYKY6,2985–

2058York County, MEME222,4345–

2059Queen Anne's County, MDMD54,4485–

2060Worcester County, MDMD54,4595–

2061Douglas County, MNMN40,1205–

2062Meeker County, MNMN23,6035–

2063Norman County, MNMN6,3365–

2064Polk County, MNMN30,5455–

2065Cascade County, MTMT85,0295–

2066Gallatin County, MTMT128,7405–

2067Strafford County, NHNH135,0435–

2068Hunterdon County, NJNJ131,7815–

2069Middlesex County, NJNJ883,3355–

2070Somerset County, NJNJ356,4865–

2071Cleveland County, NCNC103,3255–

2072Jones County, NCNC9,5755–

2073McDowell County, NCNC45,1985–

2074Rutherford County, NCNC65,7455–

2075Tyrrell County, NCNC3,5375–

2076Wilkes County, NCNC66,2335–

2077Grand Forks County, NDND74,5015–

2078Griggs County, NDND2,2395–

2079Mountrail County, NDND9,3955–

2080Nelson County, NDND2,9635–

2081Ramsey County, NDND11,5305–

2082Steele County, NDND1,7975–

2083Towner County, NDND2,0405–

2084Traill County, NDND7,9205–

2085Walsh County, NDND10,1795–

2086Athens County, OHOH63,1975–

2087Gallia County, OHOH29,0725–

2088Hamilton County, OHOH838,4185–

2089Jackson County, OHOH32,8175–

2090Lawrence County, OHOH55,7105–

2091Meigs County, OHOH21,5875–

2092Scioto County, OHOH71,3655–

2093Grant County, OROR7,0755–

2094Klamath County, OROR70,2745–

2095Union County, OROR25,9005–

2096Chester County, PAPA557,1165–

2097Delaware County, PAPA580,9375–

2098Montgomery County, PAPA877,6435–

2099Pickens County, SCSC139,1985–

2100Bedford County, TNTN55,2735–

2101Coffee County, TNTN62,4195–

2102Giles County, TNTN31,4335–

2103Hamilton County, TNTN390,8335–

2104Hickman County, TNTN26,2195–

2105Lawrence County, TNTN46,9145–

2106Lincoln County, TNTN36,8535–

2107McMinn County, TNTN57,4045–

2108Macon County, TNTN27,6635–

2109Marion County, TNTN29,8045–

2110Marshall County, TNTN38,0715–

2111Maury County, TNTN118,1315–

2112Meigs County, TNTN14,1865–

2113Moore County, TNTN6,9205–

2114Rutherford County, TNTN386,3525–

2115Smith County, TNTN20,9815–

2116Trousdale County, TNTN12,6235–

2117Wayne County, TNTN16,4165–

2118Wilson County, TNTN175,0335–

2119Chambers County, TXTX57,5945–

2120Jeff Davis County, TXTX1,7115–

2121Duchesne County, UTUT20,8565–

2122Accomack County, VAVA33,8595–

2123Buchanan County, VAVA18,4925–

2124Frederick County, VAVA99,9555–

2125Greene County, VAVA21,9585–

2126Madison County, VAVA14,2375–

2127Shenandoah County, VAVA45,8395–

2128Cabell County, WVWV91,1835–

2129Hampshire County, WVWV24,1055–

2130Hardy County, WVWV14,3375–

2131Jackson County, WVWV27,4505–

2132Mason County, WVWV24,7075–

2133Mineral County, WVWV26,7925–

2134Wayne County, WVWV37,3095–

2135St. Croix County, WIWI98,2765–

2136Converse County, WYWY13,8245–

2137DeKalb County, ALAL74,0854–

2138Jackson County, ALAL54,2814–

2139Navajo County, AZAZ109,9464–

2140Plumas County, CACA18,5834–

2141Delta County, COCO32,1784–

2142Mesa County, COCO162,8454–

2143Moffat County, COCO13,1224–

2144San Miguel County, COCO7,7534–

2145Dawson County, GAGA35,3654–

2146Fannin County, GAGA26,1114–

2147Lumpkin County, GAGA36,1784–

2148White County, GAGA29,8024–

2149Latah County, IDID41,8424–

2150Cook County, ILIL5,194,6254–

2151DuPage County, ILIL934,2984–

2152Ford County, ILIL13,2164–

2153Iroquois County, ILIL26,1504–

2154Kankakee County, ILIL105,5254–

2155Kendall County, ILIL145,4704–

2156Stephenson County, ILIL43,2204–

2157Will County, ILIL712,2534–

2158Winnebago County, ILIL283,6744–

2159Adams County, ININ36,6504–

2160Allen County, ININ402,3294–

2161Bartholomew County, ININ85,7294–

2162Benton County, ININ8,8834–

2163Blackford County, ININ11,7304–

2164Boone County, ININ80,6894–

2165Carroll County, ININ20,6554–

2166Cass County, ININ37,8364–

2167Clark County, ININ130,4514–

2168Clinton County, ININ33,3224–

2169Dearborn County, ININ51,6094–

2170Decatur County, ININ26,5764–

2171Delaware County, ININ113,1064–

2172Fayette County, ININ23,5334–

2173Fountain County, ININ17,0134–

2174Franklin County, ININ23,2864–

2175Fulton County, ININ20,0914–

2176Grant County, ININ66,5244–

2177Hamilton County, ININ387,0364–

2178Hancock County, ININ90,9694–

2179Hendricks County, ININ193,5104–

2180Henry County, ININ49,1374–

2181Howard County, ININ83,9044–

2182Huntington County, ININ37,2244–

2183Jasper County, ININ33,8944–

2184Jay County, ININ20,1184–

2185Jefferson County, ININ33,2794–

2186Jennings County, ININ27,6224–

2187Johnson County, ININ174,2624–

2188Kosciusko County, ININ80,8924–

2189Lake County, ININ504,6124–

2190LaPorte County, ININ111,2944–

2191Madison County, ININ135,0884–

2192Marion County, ININ992,1964–

2193Miami County, ININ34,4874–

2194Montgomery County, ININ38,9544–

2195Newton County, ININ14,1884–

2196Owen County, ININ21,8864–

2197Parke County, ININ16,6424–

2198Porter County, ININ176,0494–

2199Pulaski County, ININ12,4634–

2200Putnam County, ININ37,8764–

2201Ripley County, ININ29,4344–

2202Rush County, ININ16,7674–

2203Scott County, ININ25,0534–

2204Shelby County, ININ45,8824–

2205Starke County, ININ23,4254–

2206Switzerland County, ININ10,0374–

2207Tippecanoe County, ININ190,4564–

2208Tipton County, ININ15,3194–

2209Union County, ININ6,8634–

2210Wabash County, ININ30,7134–

2211Warren County, ININ8,4744–

2212Wells County, ININ28,8834–

2213White County, ININ25,1644–

2214Buchanan County, IAIA20,8834–

2215Anderson County, KYKY25,2254–

2216Boyle County, KYKY31,6324–

2217Bracken County, KYKY8,5114–

2218Breathitt County, KYKY12,5584–

2219Carroll County, KYKY11,1414–

2220Carter County, KYKY26,1494–

2221Casey County, KYKY16,2054–

2222Clinton County, KYKY9,1394–

2223Cumberland County, KYKY5,9924–

2224Elliott County, KYKY7,2654–

2225Franklin County, KYKY52,6494–

2226Green County, KYKY11,6444–

2227Henry County, KYKY16,4474–

2228Jackson County, KYKY13,3254–

2229Knox County, KYKY29,5324–

2230Laurel County, KYKY63,7464–

2231Lewis County, KYKY12,9014–

2232Magoffin County, KYKY11,1104–

2233Mason County, KYKY16,9364–

2234Monroe County, KYKY11,1914–

2235Oldham County, KYKY70,9864–

2236Perry County, KYKY26,5554–

2237Pulaski County, KYKY67,3844–

2238Rowan County, KYKY24,4764–

2239Russell County, KYKY18,6084–

2240Scott County, KYKY62,2624–

2241Shelby County, KYKY51,2434–

2242Taylor County, KYKY26,7634–

2243Trimble County, KYKY8,7014–

2244Wayne County, KYKY19,5974–

2245Whitley County, KYKY37,2974–

2246Woodford County, KYKY27,8834–

2247Baltimore County, MDMD847,6504–

2248Carroll County, MDMD176,6774–

2249Baltimore, MDMD569,9974–

2250Gladwin County, MIMI26,0774–

2251Mecosta County, MIMI42,3204–

2252Pennington County, MNMN13,6864–

2253Pope County, MNMN11,4204–

2254Red Lake County, MNMN3,9404–

2255Wabasha County, MNMN21,5374–

2256Clark County, NVNV2,407,2264–

2257Colfax County, NMNM12,1844–

2258Brunswick County, NCNC174,7024–

2259Caldwell County, NCNC81,1054–

2260Duplin County, NCNC51,5714–

2261Hyde County, NCNC4,5544–

2262Onslow County, NCNC217,1754–

2263Pamlico County, NCNC12,7584–

2264Pender County, NCNC72,1114–

2265Cavalier County, NDND3,4974–

2266Pembina County, NDND6,5684–

2267Rolette County, NDND11,6884–

2268Adams County, OHOH27,8654–

2269Allen County, OHOH100,8814–

2270Auglaize County, OHOH45,9094–

2271Brown County, OHOH44,3974–

2272Butler County, OHOH400,1284–

2273Clermont County, OHOH216,9774–

2274Clinton County, OHOH42,3014–

2275Darke County, OHOH51,5204–

2276Defiance County, OHOH38,2924–

2277Fayette County, OHOH28,5524–

2278Fulton County, OHOH41,8534–

2279Greene County, OHOH174,3224–

2280Hardin County, OHOH30,0724–

2281Henry County, OHOH27,5984–

2282Highland County, OHOH43,8234–

2283Madison County, OHOH46,9854–

2284Marion County, OHOH65,1154–

2285Mercer County, OHOH42,7374–

2286Montgomery County, OHOH539,5984–

2287Morrow County, OHOH36,3054–

2288Paulding County, OHOH18,7274–

2289Pickaway County, OHOH62,9784–

2290Pike County, OHOH27,0614–

2291Preble County, OHOH40,6644–

2292Putnam County, OHOH34,3804–

2293Ross County, OHOH76,4294–

2294Shelby County, OHOH48,0654–

2295Van Wert County, OHOH29,0134–

2296Warren County, OHOH257,1814–

2297Wyandot County, OHOH21,5674–

2298Baker County, OROR16,6584–

2299Adams County, PAPA107,5944–

2300Cumberland County, PAPA277,2704–

2301Fulton County, PAPA14,4834–

2302Anderson County, TNTN82,0664–

2303Bledsoe County, TNTN15,9204–

2304Bradley County, TNTN115,4654–

2305Cannon County, TNTN15,2964–

2306Clay County, TNTN7,8214–

2307DeKalb County, TNTN21,8734–

2308Franklin County, TNTN45,5794–

2309Grainger County, TNTN25,7394–

2310Hamblen County, TNTN68,8434–

2311Jackson County, TNTN12,4664–

2312Jefferson County, TNTN60,0244–

2313Knox County, TNTN511,4534–

2314Lewis County, TNTN13,4874–

2315Loudon County, TNTN63,7644–

2316Polk County, TNTN18,5924–

2317Roane County, TNTN57,3954–

2318Sequatchie County, TNTN17,8614–

2319Union County, TNTN21,4504–

2320White County, TNTN29,6124–

2321Alleghany County, VAVA14,5464–

2322Bath County, VAVA4,0764–

2323Botetourt County, VAVA34,1444–

2324Craig County, VAVA4,8004–

2325Roanoke County, VAVA97,1504–

2326Covington, VAVA5,6804–

2327Roanoke, VAVA99,1114–

2328Salem, VAVA25,8164–

2329El Paso County, COCO757,0403–

2330Greater Bridgeport Planning Region, CTCT337,6973–

2331Habersham County, GAGA50,4163–

2332Adams County, IDID5,0133–

2333DeKalb County, ILIL101,8353–

2334Kane County, ILIL525,7573–

2335Lake County, ILIL719,3393–

2336McHenry County, ILIL317,7513–

2337Ogle County, ILIL51,3993–

2338Marshall County, ININ46,5993–

2339Randolph County, ININ24,4383–

2340Whitley County, ININ35,0463–

2341Allamakee County, IAIA14,2383–

2342Bremer County, IAIA25,2963–

2343Butler County, IAIA14,0493–

2344Cerro Gordo County, IAIA42,3723–

2345Chickasaw County, IAIA11,6633–

2346Clayton County, IAIA16,8453–

2347Delaware County, IAIA17,6743–

2348Dubuque County, IAIA99,3813–

2349Fayette County, IAIA19,0473–

2350Floyd County, IAIA14,9013–

2351Worth County, IAIA7,3383–

2352Clay County, KYKY19,4653–

2353Floyd County, KYKY34,4013–

2354Lincoln County, KYKY25,3533–

2355McCreary County, KYKY17,1243–

2356Pike County, KYKY54,7213–

2357Rockcastle County, KYKY16,1483–

2358Middlesex County, MAMA1,669,9793–

2359Grand Traverse County, MIMI96,7293–

2360Ionia County, MIMI66,5573–

2361Lake County, MIMI13,1823–

2362Manistee County, MIMI25,6563–

2363Benton County, MNMN41,7443–

2364Cass County, MNMN31,4303–

2365Chisago County, MNMN59,1423–

2366Crow Wing County, MNMN69,1323–

2367Freeborn County, MNMN30,4403–

2368Houston County, MNMN18,4003–

2369Isanti County, MNMN44,3863–

2370Kandiyohi County, MNMN44,7203–

2371Kittson County, MNMN4,0313–

2372Marshall County, MNMN8,7983–

2373Mille Lacs County, MNMN27,7533–

2374Morrison County, MNMN34,6203–

2375Otter Tail County, MNMN61,0413–

2376Stearns County, MNMN164,1103–

2377Todd County, MNMN26,0603–

2378Wadena County, MNMN14,3883–

2379Sweet Grass County, MTMT3,7623–

2380San Miguel County, NMNM26,2603–

2381Bronx County, NYNY1,406,3323–

2382Fairfield County, OHOH169,7523–

2383Guernsey County, OHOH38,3793–

2384Hancock County, OHOH75,0343–

2385Hocking County, OHOH27,5123–

2386Morgan County, OHOH13,6263–

2387Noble County, OHOH14,2763–

2388Perry County, OHOH35,9183–

2389Seneca County, OHOH54,5223–

2390Vinton County, OHOH12,6453–

2391Wood County, OHOH134,1763–

2392Douglas County, OROR111,9513–

2393Josephine County, OROR87,8673–

2394Fentress County, TNTN20,3223–

2395Greene County, TNTN73,8313–

2396Grundy County, TNTN14,1163–

2397Monroe County, TNTN49,7303–

2398Overton County, TNTN23,7873–

2399Rhea County, TNTN34,8443–

2400Scott County, TNTN22,6713–

2401Van Buren County, TNTN6,8743–

2402Warren County, TNTN43,7173–

2403Washington County, TNTN141,1993–

2404Dickenson County, VAVA13,2363–

2405Scott County, VAVA21,2003–

2406Lincoln County, WVWV19,1773–

2407Mingo County, WVWV21,4553–

2408Adams County, WIWI21,7523–

2409Barron County, WIWI46,4843–

2410Buffalo County, WIWI13,3183–

2411Chippewa County, WIWI67,6143–

2412Columbia County, WIWI58,1323–

2413Crawford County, WIWI15,9103–

2414Dane County, WIWI590,3753–

2415Dodge County, WIWI89,0973–

2416Dunn County, WIWI46,2233–

2417Fond du Lac County, WIWI104,6693–

2418Grant County, WIWI52,4463–

2419Green County, WIWI37,2273–

2420Green Lake County, WIWI19,3053–

2421Iowa County, WIWI23,9513–

2422Jackson County, WIWI20,9993–

2423Jefferson County, WIWI86,5053–

2424Marquette County, WIWI15,9273–

2425Menominee County, WIWI4,1993–

2426Outagamie County, WIWI195,8943–

2427Polk County, WIWI45,8033–

2428Richland County, WIWI17,0363–

2429Rock County, WIWI166,4723–

2430Sauk County, WIWI66,6523–

2431Shawano County, WIWI41,5603–

2432Vernon County, WIWI31,4433–

2433Waukesha County, WIWI417,2103–

2434Waushara County, WIWI25,2233–

2435Winnebago County, WIWI174,2183–

2436Wood County, WIWI74,0603–

2437Natrona County, WYWY80,5263–

2438Marin County, CACA253,6942–

2439Placer County, CACA442,0812–

2440Siskiyou County, CACA42,0132–

2441Glynn County, GAGA87,5992–

2442McIntosh County, GAGA11,9892–

2443Benewah County, IDID10,5082–

2444Butte County, IDID2,7832–

2445Boone County, ILIL53,5682–

2446DeKalb County, ININ44,5352–

2447Elkhart County, ININ208,7742–

2448LaGrange County, ININ41,3052–

2449Noble County, ININ47,9372–

2450St. Joseph County, ININ272,8612–

2451Steuben County, ININ34,7992–

2452Howard County, IAIA9,4152–

2453Mitchell County, IAIA10,6502–

2454Winneshiek County, IAIA19,7332–

2455Bell County, KYKY22,8292–

2456Knott County, KYKY13,3212–

2457Allegany County, MDMD66,8482–

2458Harford County, MDMD266,4462–

2459Antrim County, MIMI24,6982–

2460Arenac County, MIMI15,0682–

2461Bay County, MIMI102,1232–

2462Benzie County, MIMI18,5682–

2463Berrien County, MIMI152,4442–

2464Branch County, MIMI45,9932–

2465Calhoun County, MIMI133,4082–

2466Cass County, MIMI51,6772–

2467Eaton County, MIMI109,5812–

2468Hillsdale County, MIMI45,7382–

2469Ingham County, MIMI289,7092–

2470Kalamazoo County, MIMI263,7952–

2471Lenawee County, MIMI97,7792–

2472Midland County, MIMI83,7542–

2473Monroe County, MIMI156,0042–

2474Saginaw County, MIMI187,6882–

2475St. Joseph County, MIMI60,9682–

2476Shiawassee County, MIMI67,6812–

2477Tuscola County, MIMI52,6802–

2478Van Buren County, MIMI76,0712–

2479Wayne County, MIMI1,769,0382–

2480Wexford County, MIMI34,4452–

2481Aitkin County, MNMN16,2522–

2482Becker County, MNMN35,4972–

2483Beltrami County, MNMN47,0552–

2484Carlton County, MNMN36,7112–

2485Clearwater County, MNMN8,6472–

2486Fillmore County, MNMN21,5402–

2487Hubbard County, MNMN22,3692–

2488Kanabec County, MNMN16,6282–

2489Lake of the Woods County, MNMN3,7702–

2490Mahnomen County, MNMN5,1532–

2491Mower County, MNMN40,9712–

2492Pine County, MNMN30,4722–

2493Roseau County, MNMN15,2462–

2494Winona County, MNMN50,5232–

2495Broadwater County, MTMT8,4932–

2496Glacier County, MTMT13,4632–

2497Lake County, MTMT33,3922–

2498Lewis and Clark County, MTMT75,3312–

2499Wheatland County, MTMT2,1002–

2500Washoe County, NVNV509,3862–

SHOWING 2,001–2,500 OF 3,144

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