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 –

2001Klamath County, OROR70,2745–

2002Union County, OROR25,9005–

2003Delaware County, PAPA580,9375–

2004Pickens County, SCSC139,1985–

2005Bedford County, TNTN55,2735–

2006Coffee County, TNTN62,4195–

2007Hamilton County, TNTN390,8335–

2008Lawrence County, TNTN46,9145–

2009Lincoln County, TNTN36,8535–

2010McMinn County, TNTN57,4045–

2011Macon County, TNTN27,6635–

2012Marion County, TNTN29,8045–

2013Marshall County, TNTN38,0715–

2014Maury County, TNTN118,1315–

2015Meigs County, TNTN14,1865–

2016Moore County, TNTN6,9205–

2017Wayne County, TNTN16,4165–

2018Chambers County, TXTX57,5945–

2019Jeff Davis County, TXTX1,7115–

2020Accomack County, VAVA33,8595–

2021Buchanan County, VAVA18,4925–

2022Frederick County, VAVA99,9555–

2023Madison County, VAVA14,2375–

2024Shenandoah County, VAVA45,8395–

2025Cabell County, WVWV91,1835–

2026Hampshire County, WVWV24,1055–

2027Hardy County, WVWV14,3375–

2028Jackson County, WVWV27,4505–

2029Mason County, WVWV24,7075–

2030Mineral County, WVWV26,7925–

2031Wayne County, WVWV37,3095–

2032Crawford County, ILIL18,6485–

2033Converse County, WYWY13,8245–

2034Coles County, ILIL46,6075–

2035Lawrence County, ILIL13,7905–

2036Sangamon County, ILIL194,1705–

2037Martin County, ININ9,8565–

2038Washington County, ININ28,3835–

2039St. Croix County, WIWI98,2765–

2040Trousdale County, TNTN12,6235–

2041Elmore County, IDID29,4655–

2042Grant County, KYKY26,1815–

2043Hamilton County, OHOH838,4185–

2044Greene County, VAVA21,9585–

2045Madison County, ALAL433,5165–

2046Clark County, KYKY37,8885–

2047Hickman County, TNTN26,2195–

2048Wilson County, TNTN175,0335–

2049Middlesex County, NJNJ883,3355–

2050Chester County, PAPA557,1165–

2051Nelson County, KYKY49,0365–

2052Queen Anne's County, MDMD54,4485–

2053Rutherford County, TNTN386,3525–

2054Smith County, TNTN20,9815–

2055New Castle County, DEDE588,0265–

2056Catoosa County, GAGA69,6285–

2057Dade County, GAGA16,1545–

2058Gwinnett County, GAGA1,018,0995–

2059Haralson County, GAGA33,0665–

2060Murray County, GAGA41,6075–

2061Walker County, GAGA70,2505–

2062Whitfield County, GAGA106,2125–

2063Oneida County, IDID5,0855–

2064Champaign County, ILIL209,9725–

2065Christian County, ILIL33,4435–

2066Clark County, ILIL15,1145–

2067Cumberland County, ILIL10,2085–

2068De Witt County, ILIL15,1185–

2069Douglas County, ILIL19,8805–

2070Edgar County, ILIL16,3235–

2071Effingham County, ILIL34,5195–

2072Jasper County, ILIL9,0325–

2073Macon County, ILIL99,3005–

2074Montgomery County, ILIL28,0765–

2075Moultrie County, ILIL14,3715–

2076Piatt County, ILIL16,7915–

2077Richland County, ILIL15,2195–

2078Shelby County, ILIL20,5765–

2079Vermilion County, ILIL71,2595–

2080Brown County, ININ15,7775–

2081Clay County, ININ26,4105–

2082Crawford County, ININ10,5095–

2083Daviess County, ININ34,2095–

2084Dubois County, ININ44,0165–

2085Floyd County, ININ82,1535–

2086Greene County, ININ31,1655–

2087Harrison County, ININ40,4375–

2088Jackson County, ININ47,3705–

2089Knox County, ININ35,6525–

2090Lawrence County, ININ45,5685–

2091Monroe County, ININ143,3455–

2092Morgan County, ININ74,9675–

2093Ohio County, ININ5,9945–

2094Orange County, ININ19,8345–

2095Perry County, ININ19,3895–

2096Vermillion County, ININ15,4885–

2097Vigo County, ININ106,5125–

2098Adair County, KYKY19,4235–

2099Allen County, KYKY22,5365–

2100Barren County, KYKY45,6415–

2101Estill County, KYKY13,9625–

2102Fayette County, KYKY329,7515–

2103Fleming County, KYKY15,7875–

2104Gallatin County, KYKY8,8405–

2105Garrard County, KYKY18,2075–

2106Grayson County, KYKY27,4065–

2107Greenup County, KYKY35,2135–

2108Hancock County, KYKY9,0505–

2109Harrison County, KYKY19,6275–

2110Hart County, KYKY20,1175–

2111Jefferson County, KYKY795,2225–

2112Jessamine County, KYKY57,1475–

2113Johnson County, KYKY22,0515–

2114Kenton County, KYKY175,7795–

2115Larue County, KYKY15,1845–

2116Lawrence County, KYKY15,7655–

2117Lee County, KYKY7,2975–

2118Madison County, KYKY101,6965–

2119Marion County, KYKY20,1155–

2120Martin County, KYKY10,6975–

2121Meade County, KYKY30,6995–

2122Menifee County, KYKY6,4305–

2123Mercer County, KYKY23,7335–

2124Metcalfe County, KYKY10,5835–

2125Montgomery County, KYKY28,8225–

2126Morgan County, KYKY14,4155–

2127Nicholas County, KYKY7,9495–

2128Owen County, KYKY11,6015–

2129Owsley County, KYKY3,9325–

2130Pendleton County, KYKY14,8005–

2131Powell County, KYKY12,8125–

2132York County, MEME222,4345–

2133McDowell County, NCNC45,1985–

2134Montgomery County, PAPA877,6435–

2135Giles County, TNTN31,4335–

2136Duchesne County, UTUT20,8565–

2137Cook County, ILIL5,194,6254–

2138DeKalb County, ALAL74,0854–

2139Jackson County, ALAL54,2814–

2140Navajo County, AZAZ109,9464–

2141Cavalier County, NDND3,4974–

2142Plumas County, CACA18,5834–

2143Clark County, ININ130,4514–

2144Boyle County, KYKY31,6324–

2145Bracken County, KYKY8,5114–

2146DeKalb County, TNTN21,8734–

2147Delta County, COCO32,1784–

2148Bartholomew County, ININ85,7294–

2149Blackford County, ININ11,7304–

2150Henry County, KYKY16,4474–

2151Trimble County, KYKY8,7014–

2152Wayne County, KYKY19,5974–

2153Whitley County, KYKY37,2974–

2154Woodford County, KYKY27,8834–

2155Baltimore, MDMD569,9974–

2156Gladwin County, MIMI26,0774–

2157Mecosta County, MIMI42,3204–

2158Pennington County, MNMN13,6864–

2159Pope County, MNMN11,4204–

2160Red Lake County, MNMN3,9404–

2161Wabasha County, MNMN21,5374–

2162Clark County, NVNV2,407,2264–

2163Colfax County, NMNM12,1844–

2164Brunswick County, NCNC174,7024–

2165Caldwell County, NCNC81,1054–

2166Hyde County, NCNC4,5544–

2167Onslow County, NCNC217,1754–

2168Pamlico County, NCNC12,7584–

2169Pender County, NCNC72,1114–

2170Pembina County, NDND6,5684–

2171Rolette County, NDND11,6884–

2172Adams County, OHOH27,8654–

2173Allen County, OHOH100,8814–

2174Auglaize County, OHOH45,9094–

2175Brown County, OHOH44,3974–

2176Clermont County, OHOH216,9774–

2177Clinton County, OHOH42,3014–

2178Darke County, OHOH51,5204–

2179Defiance County, OHOH38,2924–

2180Fayette County, OHOH28,5524–

2181Fulton County, OHOH41,8534–

2182Greene County, OHOH174,3224–

2183Hardin County, OHOH30,0724–

2184Henry County, OHOH27,5984–

2185Highland County, OHOH43,8234–

2186Madison County, OHOH46,9854–

2187Marion County, OHOH65,1154–

2188Mercer County, OHOH42,7374–

2189Montgomery County, OHOH539,5984–

2190Morrow County, OHOH36,3054–

2191Paulding County, OHOH18,7274–

2192Pike County, OHOH27,0614–

2193Preble County, OHOH40,6644–

2194Putnam County, OHOH34,3804–

2195Ross County, OHOH76,4294–

2196Shelby County, OHOH48,0654–

2197Warren County, OHOH257,1814–

2198Wyandot County, OHOH21,5674–

2199Baker County, OROR16,6584–

2200Adams County, PAPA107,5944–

2201Cumberland County, PAPA277,2704–

2202Fulton County, PAPA14,4834–

2203Anderson County, TNTN82,0664–

2204Bledsoe County, TNTN15,9204–

2205Bradley County, TNTN115,4654–

2206Cannon County, TNTN15,2964–

2207Clay County, TNTN7,8214–

2208Franklin County, TNTN45,5794–

2209Jackson County, TNTN12,4664–

2210Jefferson County, TNTN60,0244–

2211Knox County, TNTN511,4534–

2212Lewis County, TNTN13,4874–

2213Loudon County, TNTN63,7644–

2214Polk County, TNTN18,5924–

2215White County, TNTN29,6124–

2216Alleghany County, VAVA14,5464–

2217Bath County, VAVA4,0764–

2218Botetourt County, VAVA34,1444–

2219Craig County, VAVA4,8004–

2220Roanoke County, VAVA97,1504–

2221Covington, VAVA5,6804–

2222Breathitt County, KYKY12,5584–

2223Butler County, OHOH400,1284–

2224Van Wert County, OHOH29,0134–

2225Union County, TNTN21,4504–

2226White County, GAGA29,8024–

2227Wabash County, ININ30,7134–

2228Scott County, KYKY62,2624–

2229Franklin County, KYKY52,6494–

2230Cumberland County, KYKY5,9924–

2231Rowan County, KYKY24,4764–

2232Duplin County, NCNC51,5714–

2233DuPage County, ILIL934,2984–

2234Sequatchie County, TNTN17,8614–

2235Hendricks County, ININ193,5104–

2236Carroll County, ININ20,6554–

2237Tipton County, ININ15,3194–

2238Roane County, TNTN57,3954–

2239Johnson County, ININ174,2624–

2240Marion County, ININ992,1964–

2241Laurel County, KYKY63,7464–

2242Pickaway County, OHOH62,9784–

2243Mesa County, COCO162,8454–

2244Moffat County, COCO13,1224–

2245San Miguel County, COCO7,7534–

2246Dawson County, GAGA35,3654–

2247Fannin County, GAGA26,1114–

2248Lumpkin County, GAGA36,1784–

2249Latah County, IDID41,8424–

2250Ford County, ILIL13,2164–

2251Iroquois County, ILIL26,1504–

2252Kankakee County, ILIL105,5254–

2253Kendall County, ILIL145,4704–

2254Stephenson County, ILIL43,2204–

2255Will County, ILIL712,2534–

2256Winnebago County, ILIL283,6744–

2257Adams County, ININ36,6504–

2258Allen County, ININ402,3294–

2259Benton County, ININ8,8834–

2260Boone County, ININ80,6894–

2261Cass County, ININ37,8364–

2262Clinton County, ININ33,3224–

2263Dearborn County, ININ51,6094–

2264Decatur County, ININ26,5764–

2265Delaware County, ININ113,1064–

2266Fayette County, ININ23,5334–

2267Fountain County, ININ17,0134–

2268Franklin County, ININ23,2864–

2269Fulton County, ININ20,0914–

2270Grant County, ININ66,5244–

2271Hamilton County, ININ387,0364–

2272Hancock County, ININ90,9694–

2273Henry County, ININ49,1374–

2274Howard County, ININ83,9044–

2275Huntington County, ININ37,2244–

2276Jasper County, ININ33,8944–

2277Jay County, ININ20,1184–

2278Jefferson County, ININ33,2794–

2279Jennings County, ININ27,6224–

2280Kosciusko County, ININ80,8924–

2281Lake County, ININ504,6124–

2282LaPorte County, ININ111,2944–

2283Madison County, ININ135,0884–

2284Miami County, ININ34,4874–

2285Montgomery County, ININ38,9544–

2286Newton County, ININ14,1884–

2287Owen County, ININ21,8864–

2288Parke County, ININ16,6424–

2289Porter County, ININ176,0494–

2290Pulaski County, ININ12,4634–

2291Putnam County, ININ37,8764–

2292Ripley County, ININ29,4344–

2293Rush County, ININ16,7674–

2294Scott County, ININ25,0534–

2295Shelby County, ININ45,8824–

2296Starke County, ININ23,4254–

2297Switzerland County, ININ10,0374–

2298Tippecanoe County, ININ190,4564–

2299Union County, ININ6,8634–

2300Warren County, ININ8,4744–

2301Wells County, ININ28,8834–

2302White County, ININ25,1644–

2303Buchanan County, IAIA20,8834–

2304Anderson County, KYKY25,2254–

2305Carroll County, KYKY11,1414–

2306Carter County, KYKY26,1494–

2307Casey County, KYKY16,2054–

2308Clinton County, KYKY9,1394–

2309Elliott County, KYKY7,2654–

2310Green County, KYKY11,6444–

2311Jackson County, KYKY13,3254–

2312Knox County, KYKY29,5324–

2313Lewis County, KYKY12,9014–

2314Magoffin County, KYKY11,1104–

2315Mason County, KYKY16,9364–

2316Monroe County, KYKY11,1914–

2317Oldham County, KYKY70,9864–

2318Perry County, KYKY26,5554–

2319Pulaski County, KYKY67,3844–

2320Russell County, KYKY18,6084–

2321Shelby County, KYKY51,2434–

2322Taylor County, KYKY26,7634–

2323Baltimore County, MDMD847,6504–

2324Carroll County, MDMD176,6774–

2325Grainger County, TNTN25,7394–

2326Hamblen County, TNTN68,8434–

2327Roanoke, VAVA99,1114–

2328Salem, VAVA25,8164–

2329Rhea County, TNTN34,8443–

2330Scott County, TNTN22,6713–

2331Rock County, WIWI166,4723–

2332Kane County, ILIL525,7573–

2333Wood County, OHOH134,1763–

2334Van Buren County, TNTN6,8743–

2335Middlesex County, MAMA1,669,9793–

2336Ionia County, MIMI66,5573–

2337Lake County, MIMI13,1823–

2338Manistee County, MIMI25,6563–

2339Benton County, MNMN41,7443–

2340Cass County, MNMN31,4303–

2341Chisago County, MNMN59,1423–

2342Crow Wing County, MNMN69,1323–

2343Freeborn County, MNMN30,4403–

2344Houston County, MNMN18,4003–

2345Isanti County, MNMN44,3863–

2346Kandiyohi County, MNMN44,7203–

2347Kittson County, MNMN4,0313–

2348Marshall County, MNMN8,7983–

2349Mille Lacs County, MNMN27,7533–

2350Morrison County, MNMN34,6203–

2351Otter Tail County, MNMN61,0413–

2352Stearns County, MNMN164,1103–

2353Todd County, MNMN26,0603–

2354Wadena County, MNMN14,3883–

2355San Miguel County, NMNM26,2603–

2356Bronx County, NYNY1,406,3323–

2357Fairfield County, OHOH169,7523–

2358Guernsey County, OHOH38,3793–

2359Hancock County, OHOH75,0343–

2360Hocking County, OHOH27,5123–

2361Morgan County, OHOH13,6263–

2362Noble County, OHOH14,2763–

2363Perry County, OHOH35,9183–

2364Seneca County, OHOH54,5223–

2365Douglas County, OROR111,9513–

2366Josephine County, OROR87,8673–

2367Fentress County, TNTN20,3223–

2368Monroe County, TNTN49,7303–

2369Overton County, TNTN23,7873–

2370Warren County, TNTN43,7173–

2371Washington County, TNTN141,1993–

2372Dickenson County, VAVA13,2363–

2373Lincoln County, WVWV19,1773–

2374Adams County, WIWI21,7523–

2375Barron County, WIWI46,4843–

2376Chippewa County, WIWI67,6143–

2377Columbia County, WIWI58,1323–

2378Crawford County, WIWI15,9103–

2379Dane County, WIWI590,3753–

2380Polk County, WIWI45,8033–

2381Sauk County, WIWI66,6523–

2382Shawano County, WIWI41,5603–

2383Waukesha County, WIWI417,2103–

2384Waushara County, WIWI25,2233–

2385Winnebago County, WIWI174,2183–

2386Wood County, WIWI74,0603–

2387Outagamie County, WIWI195,8943–

2388Richland County, WIWI17,0363–

2389Natrona County, WYWY80,5263–

2390Dunn County, WIWI46,2233–

2391Lincoln County, KYKY25,3533–

2392Grand Traverse County, MIMI96,7293–

2393El Paso County, COCO757,0403–

2394Greater Bridgeport Planning Region, CTCT337,6973–

2395Habersham County, GAGA50,4163–

2396Adams County, IDID5,0133–

2397DeKalb County, ILIL101,8353–

2398Lake County, ILIL719,3393–

2399McHenry County, ILIL317,7513–

2400Ogle County, ILIL51,3993–

2401Marshall County, ININ46,5993–

2402Randolph County, ININ24,4383–

2403Whitley County, ININ35,0463–

2404Allamakee County, IAIA14,2383–

2405Bremer County, IAIA25,2963–

2406Butler County, IAIA14,0493–

2407Cerro Gordo County, IAIA42,3723–

2408Chickasaw County, IAIA11,6633–

2409Clayton County, IAIA16,8453–

2410Delaware County, IAIA17,6743–

2411Dubuque County, IAIA99,3813–

2412Fayette County, IAIA19,0473–

2413Floyd County, IAIA14,9013–

2414Worth County, IAIA7,3383–

2415Clay County, KYKY19,4653–

2416Floyd County, KYKY34,4013–

2417McCreary County, KYKY17,1243–

2418Pike County, KYKY54,7213–

2419Rockcastle County, KYKY16,1483–

2420Sweet Grass County, MTMT3,7623–

2421Vinton County, OHOH12,6453–

2422Greene County, TNTN73,8313–

2423Grundy County, TNTN14,1163–

2424Scott County, VAVA21,2003–

2425Mingo County, WVWV21,4553–

2426Buffalo County, WIWI13,3183–

2427Dodge County, WIWI89,0973–

2428Fond du Lac County, WIWI104,6693–

2429Grant County, WIWI52,4463–

2430Green County, WIWI37,2273–

2431Green Lake County, WIWI19,3053–

2432Iowa County, WIWI23,9513–

2433Jackson County, WIWI20,9993–

2434Jefferson County, WIWI86,5053–

2435Marquette County, WIWI15,9273–

2436Menominee County, WIWI4,1993–

2437Vernon County, WIWI31,4433–

2438Wayne County, MIMI1,769,0382–

2439Marin County, CACA253,6942–

2440Placer County, CACA442,0812–

2441Calhoun County, WVWV5,9782–

2442Antrim County, MIMI24,6982–

2443Arenac County, MIMI15,0682–

2444Bay County, MIMI102,1232–

2445Benzie County, MIMI18,5682–

2446Berrien County, MIMI152,4442–

2447Branch County, MIMI45,9932–

2448Calhoun County, MIMI133,4082–

2449Cass County, MIMI51,6772–

2450Eaton County, MIMI109,5812–

2451Hillsdale County, MIMI45,7382–

2452Ingham County, MIMI289,7092–

2453Kalamazoo County, MIMI263,7952–

2454Lenawee County, MIMI97,7792–

2455Midland County, MIMI83,7542–

2456Monroe County, MIMI156,0042–

2457Saginaw County, MIMI187,6882–

2458St. Joseph County, MIMI60,9682–

2459Shiawassee County, MIMI67,6812–

2460Tuscola County, MIMI52,6802–

2461Van Buren County, MIMI76,0712–

2462Wexford County, MIMI34,4452–

2463Aitkin County, MNMN16,2522–

2464Becker County, MNMN35,4972–

2465Beltrami County, MNMN47,0552–

2466Carlton County, MNMN36,7112–

2467Clearwater County, MNMN8,6472–

2468Fillmore County, MNMN21,5402–

2469Hubbard County, MNMN22,3692–

2470Kanabec County, MNMN16,6282–

2471Lake of the Woods County, MNMN3,7702–

2472Mahnomen County, MNMN5,1532–

2473Mower County, MNMN40,9712–

2474Pine County, MNMN30,4722–

2475Roseau County, MNMN15,2462–

2476Winona County, MNMN50,5232–

2477Broadwater County, MTMT8,4932–

2478Glacier County, MTMT13,4632–

2479Lake County, MTMT33,3922–

2480Lewis and Clark County, MTMT75,3312–

2481Wheatland County, MTMT2,1002–

2482Rockingham County, NHNH324,0772–

2483Bergen County, NJNJ977,0262–

2484Grant County, NMNM27,2522–

2485Jefferson County, NYNY111,5402–

2486Rockland County, NYNY357,3972–

2487Currituck County, NCNC33,1582–

2488Pasquotank County, NCNC42,2012–

2489Clark County, OHOH135,3402–

2490Coshocton County, OHOH37,1882–

2491Delaware County, OHOH242,0322–

2492Erie County, OHOH73,2962–

2493Knox County, OHOH64,0022–

2494Lucas County, OHOH423,3472–

2495Miami County, OHOH112,6342–

2496Muskingum County, OHOH87,0142–

2497Ottawa County, OHOH39,4812–

2498Sandusky County, OHOH58,6552–

2499Williams County, OHOH36,5492–

2500Bedford County, PAPA47,4802–

SHOWING 2,001–2,500 OF 3,144

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