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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 vulnerableLeast socially vulnerableMost socially vulnerable peopleMost homes without air conditioningMost 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
2393El Paso County, COCO757,0403
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
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
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
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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES