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 –

2501Bucks County, PAPA647,8282–

2502Lancaster County, PAPA563,1592–

2503Perry County, PAPA46,8062–

2504Washington County, PAPA210,8022–

2505Campbell County, TNTN40,2902–

2506Claiborne County, TNTN33,2292–

2507Hancock County, TNTN7,0752–

2508Morgan County, TNTN22,1602–

2509Weber County, UTUT278,1742–

2510Augusta County, VAVA78,9402–

2511Rockbridge County, VAVA22,6632–

2512Boone County, WVWV20,2512–

2513Kanawha County, WVWV172,3812–

2514Wirt County, WVWV4,8792–

2515Wyoming County, WVWV19,8012–

2516Brown County, WIWI275,8032–

2517Burnett County, WIWI17,2232–

2518Calumet County, WIWI53,9822–

2519Clark County, WIWI35,0522–

2520Kenosha County, WIWI168,4482–

2521Marathon County, WIWI139,4322–

2522Bell County, KYKY22,8292–

2523Licking County, OHOH185,5642–

2524Washington County, WIWI139,2382–

2525Waupaca County, WIWI51,4612–

2526Carbon County, WYWY14,0132–

2527Eau Claire County, WIWI109,0332–

2528Sweetwater County, WYWY41,2672–

2529Washakie County, WYWY7,5972–

2530DeKalb County, ININ44,5352–

2531St. Joseph County, ININ272,8612–

2532Mitchell County, IAIA10,6502–

2533Washoe County, NVNV509,3862–

2534Logan County, OHOH46,3022–

2535Putnam County, WVWV56,8852–

2536Steuben County, ININ34,7992–

2537Cumberland County, TNTN66,3002–

2538Franklin County, OHOH1,361,5362–

2539Union County, OHOH73,4462–

2540Siskiyou County, CACA42,0132–

2541Glynn County, GAGA87,5992–

2542McIntosh County, GAGA11,9892–

2543Benewah County, IDID10,5082–

2544Butte County, IDID2,7832–

2545Boone County, ILIL53,5682–

2546Elkhart County, ININ208,7742–

2547LaGrange County, ININ41,3052–

2548Noble County, ININ47,9372–

2549Howard County, IAIA9,4152–

2550Winneshiek County, IAIA19,7332–

2551Knott County, KYKY13,3212–

2552Allegany County, MDMD66,8482–

2553Harford County, MDMD266,4462–

2554Lebanon County, PAPA146,3802–

2555York County, PAPA473,1972–

2556Hawkins County, TNTN59,5592–

2557Buena Vista, VAVA6,6722–

2558Lexington, VAVA7,7692–

2559Asotin County, WAWA22,5452–

2560Columbia County, WAWA4,1412–

2561Marinette County, WIWI42,5742–

2562Monroe County, WIWI46,5722–

2563Trempealeau County, WIWI31,1712–

2564Multnomah County, OROR795,3911–

2565Putnam County, TNTN86,6121–

2566Sullivan County, TNTN163,7591–

2567Clay County, WVWV7,5381–

2568Gilmer County, WVWV7,0851–

2569Barry County, MIMI63,9911–

2570Clare County, MIMI31,5431–

2571Clinton County, MIMI80,4321–

2572Crawford County, MIMI13,7221–

2573Delta County, MIMI36,5821–

2574Dickinson County, MIMI25,8271–

2575Genesee County, MIMI401,0931–

2576Gratiot County, MIMI41,1901–

2577Iosco County, MIMI25,2661–

2578Isabella County, MIMI64,6911–

2579Jackson County, MIMI159,5521–

2580Kalkaska County, MIMI18,6931–

2581Kent County, MIMI675,2321–

2582Lapeer County, MIMI89,5161–

2583Macomb County, MIMI886,2211–

2584Menominee County, MIMI22,9411–

2585Missaukee County, MIMI15,2741–

2586Montcalm County, MIMI69,4061–

2587Montmorency County, MIMI9,8421–

2588Newaygo County, MIMI51,6221–

2589Oakland County, MIMI1,288,3371–

2590Ogemaw County, MIMI21,1211–

2591Osceola County, MIMI23,5161–

2592Oscoda County, MIMI8,7231–

2593Roscommon County, MIMI23,9141–

2594St. Clair County, MIMI160,4861–

2595Washtenaw County, MIMI370,2141–

2596Itasca County, MNMN45,4041–

2597Koochiching County, MNMN11,5871–

2598St. Louis County, MNMN200,5181–

2599Elko County, NVNV54,8151–

2600Hillsborough County, NHNH433,4151–

2601Mora County, NMNM4,0511–

2602Niagara County, NYNY208,9121–

2603Orleans County, NYNY39,8251–

2604New Hanover County, NCNC245,9591–

2605Ashland County, OHOH52,5231–

2606Ashtabula County, OHOH96,7131–

2607Champaign County, OHOH38,8201–

2608Columbiana County, OHOH99,3771–

2609Crawford County, OHOH41,8961–

2610Cuyahoga County, OHOH1,232,9251–

2611Geauga County, OHOH95,6761–

2612Harrison County, OHOH14,0701–

2613Holmes County, OHOH44,9701–

2614Huron County, OHOH58,2501–

2615Lorain County, OHOH323,2191–

2616Mahoning County, OHOH224,7061–

2617Medina County, OHOH185,0251–

2618Portage County, OHOH163,4041–

2619Richland County, OHOH124,8931–

2620Stark County, OHOH373,7711–

2621Trumbull County, OHOH198,9721–

2622Tuscarawas County, OHOH92,3731–

2623Wayne County, OHOH116,7581–

2624Washington County, OROR611,7081–

2625Allegheny County, PAPA1,225,0351–

2626Beaver County, PAPA166,0321–

2627Berks County, PAPA440,0721–

2628Crawford County, PAPA81,7921–

2629Schuylkill County, PAPA145,0851–

2630Snyder County, PAPA39,6551–

2631Beaufort County, SCSC204,4331–

2632Lawrence County, SDSD29,4591–

2633Pickett County, TNTN5,2191–

2634Mathews County, VAVA8,5291–

2635York County, VAVA71,3741–

2636Brooke County, WVWV21,1421–

2637Hancock County, WVWV27,7291–

2638Pleasants County, WVWV7,3381–

2639Ritchie County, WVWV8,0341–

2640Roane County, WVWV13,3171–

2641Tyler County, WVWV7,8811–

2642Wood County, WVWV82,3851–

2643Bayfield County, WIWI16,7871–

2644La Crosse County, WIWI121,3391–

2645Langlade County, WIWI19,5341–

2646Ozaukee County, WIWI94,3461–

2647Rusk County, WIWI14,1461–

2648Sawyer County, WIWI18,8461–

2649Taylor County, WIWI20,1181–

2650Jefferson County, OHOH63,5971–

2651Washington County, OHOH58,3891–

2652Doddridge County, WVWV7,6341–

2653Carroll County, OHOH26,4751–

2654Florence County, WIWI4,7481–

2655Douglas County, WIWI43,9901–

2656Portage County, WIWI71,9431–

2657Summit County, OHOH538,3761–

2658Lake County, OHOH232,2171–

2659Oconto County, WIWI40,1951–

2660Livingston County, MIMI197,3151–

2661Dauphin County, PAPA293,3511–

2662Bristol, VAVA16,4181–

2663Morgan County, UTUT13,3831–

2664Hampton, VAVA137,3151–

2665Poquoson, VAVA13,2921–

2666Morris County, NJNJ524,2511–

2667Lawrence County, PAPA83,9111–

2668Alamosa County, COCO16,6881–

2669Conejos County, COCO7,5291–

2670Douglas County, COCO399,3961–

2671Lower Connecticut River Valley Planning Region, CTCT177,3111–

2672Naugatuck Valley Planning Region, CTCT463,3491–

2673Brevard County, FLFL663,9821–

2674Wakulla County, FLFL38,0891–

2675Gilmer County, GAGA33,8941–

2676Bear Lake County, IDID6,7271–

2677Bonneville County, IDID135,7711–

2678Clark County, IDID7831–

2679Madison County, IDID55,1721–

2680Wayne County, ININ66,1691–

2681Leslie County, KYKY9,6271–

2682Wayne County, NYNY91,2501–

2683Westchester County, NYNY1,015,7431–

2684Lehigh County, PAPA384,3831–

2685Rich County, UTUT2,6871–

2686Sanpete County, UTUT31,4531–

2687Newport News, VAVA183,2301–

2688Kitsap County, WAWA283,3741–

2689Stevens County, WAWA49,6681–

2690Milwaukee County, WIWI924,2161–

2691Washburn County, WIWI17,0871–

2692Aleutians East, AKAK3,4790–

2693Aleutians West Census Area, AKAK5,2400–

2694Anchorage, AKAK287,1550–

2695Bethel Census Area, AKAK18,3910–

2696Bristol Bay, AKAK8470–

2697Copper River Census Area, AKAK2,6660–

2698Denali, AKAK1,6160–

2699Dillingham Census Area, AKAK4,4830–

2700Fairbanks North Star, AKAK93,9720–

2701Haines, AKAK2,0680–

2702Hoonah-Angoon Census Area, AKAK2,2710–

2703Juneau, AKAK31,6090–

2704Kenai Peninsula, AKAK61,9510–

2705Ketchikan Gateway, AKAK13,5490–

2706Kodiak Island, AKAK12,3870–

2707Kusilvak Census Area, AKAK7,9320–

2708Lake and Peninsula, AKAK1,3570–

2709Matanuska-Susitna, AKAK118,6660–

2710Nome Census Area, AKAK9,8300–

2711North Slope, AKAK10,5820–

2712Northwest Arctic, AKAK7,0950–

2713Petersburg, AKAK3,3940–

2714Prince of Wales-Hyder Census Area, AKAK5,7770–

2715Sitka, AKAK8,3190–

2716Skagway, AKAK1,1040–

2717Southeast Fairbanks Census Area, AKAK7,2700–

2718Wrangell, AKAK2,0070–

2719Yakutat, AKAK6720–

2720Calvert County, MDMD94,4840–

2721Yukon-Koyukuk Census Area, AKAK5,0280–

2722Alpine County, CACA1,0430–

2723Sevier County, TNTN101,3420–

2724Del Norte County, CACA26,4100–

2725Mono County, CACA12,5050–

2726Monterey County, CACA433,7290–

2727Wise County, VAVA34,8240–

2728San Francisco County, CACA826,0790–

2729Forest County, WIWI9,5740–

2730Sierra County, CACA3,0980–

2731Lake County, COCO7,5520–

2732Capitol Planning Region, CTCT994,1150–

2733Allegany County, NYNY46,8000–

2734Chemung County, NYNY80,4150–

2735Grant County, WVWV11,0410–

2736Park County, COCO18,3140–

2737Rabun County, GAGA17,7640–

2738Clearwater County, IDID9,1180–

2739Custer County, IDID4,6360–

2740Plaquemines Parish, LALA22,2560–

2741Androscoggin County, MEME116,4870–

2742Aroostook County, MEME66,6090–

2743Cumberland County, MEME317,2220–

2744Franklin County, MEME30,8240–

2745Hancock County, MEME57,1710–

2746Kennebec County, MEME129,0670–

2747Knox County, MEME41,1170–

2748Talbot County, MDMD38,2380–

2749Barnstable County, MAMA233,5390–

2750Berkshire County, MAMA128,2240–

2751Dukes County, MAMA21,2190–

2752Essex County, MAMA826,6530–

2753Franklin County, MAMA70,6980–

2754Hampden County, MAMA464,3380–

2755Hampshire County, MAMA164,0650–

2756Nantucket County, MAMA14,7580–

2757Worcester County, MAMA888,5020–

2758Alcona County, MIMI10,5560–

2759Alger County, MIMI8,6410–

2760Allegan County, MIMI123,1880–

2761Alpena County, MIMI28,8530–

2762Baraga County, MIMI8,1690–

2763Charlevoix County, MIMI26,0360–

2764Cheboygan County, MIMI25,7930–

2765Chippewa County, MIMI36,0810–

2766Emmet County, MIMI33,7750–

2767Gogebic County, MIMI14,2850–

2768Houghton County, MIMI37,8420–

2769Huron County, MIMI30,5300–

2770Iron County, MIMI11,7570–

2771Keweenaw County, MIMI2,1860–

2772Leelanau County, MIMI22,9820–

2773Luce County, MIMI6,3390–

2774Mackinac County, MIMI11,2360–

2775Marquette County, MIMI68,0640–

2776Mason County, MIMI29,0400–

2777Muskegon County, MIMI177,9010–

2778Oceana County, MIMI27,1770–

2779Ontonagon County, MIMI5,8230–

2780Otsego County, MIMI26,0800–

2781Ottawa County, MIMI308,4590–

2782Presque Isle County, MIMI13,1280–

2783Sanilac County, MIMI40,0830–

2784Schoolcraft County, MIMI8,1870–

2785Cook County, MNMN5,5220–

2786Lake County, MNMN10,7460–

2787Deer Lodge County, MTMT9,7090–

2788Flathead County, MTMT115,4290–

2789Granite County, MTMT3,6580–

2790Lincoln County, MTMT22,3280–

2791Madison County, MTMT10,0260–

2792Meagher County, MTMT2,1370–

2793Mineral County, MTMT5,1850–

2794Missoula County, MTMT123,5130–

2795Park County, MTMT18,2140–

2796Powell County, MTMT7,1570–

2797Ravalli County, MTMT48,5820–

2798Sanders County, MTMT14,0620–

2799Silver Bow County, MTMT36,1180–

2800Douglas County, NVNV50,1110–

2801Nye County, NVNV57,3360–

2802Carson City, NVNV58,5710–

2803Belknap County, NHNH65,1470–

2804Carroll County, NHNH52,7840–

2805Cheshire County, NHNH78,2690–

2806Coos County, NHNH31,3430–

2807Grafton County, NHNH93,2250–

2808Merrimack County, NHNH158,0780–

2809Sullivan County, NHNH43,9610–

2810Passaic County, NJNJ531,6240–

2811Warren County, NJNJ112,9530–

2812Catron County, NMNM3,8270–

2813Cibola County, NMNM26,8070–

2814Los Alamos County, NMNM19,4070–

2815Rio Arriba County, NMNM39,8320–

2816Albany County, NYNY321,2250–

2817Broome County, NYNY195,7360–

2818Cattaraugus County, NYNY75,3900–

2819Cayuga County, NYNY74,3650–

2820Chautauqua County, NYNY124,1260–

2821Chenango County, NYNY45,7150–

2822Clinton County, NYNY78,1380–

2823Columbia County, NYNY60,1680–

2824Cortland County, NYNY45,8500–

2825Delaware County, NYNY44,3050–

2826Dutchess County, NYNY300,7080–

2827Erie County, NYNY946,7410–

2828Essex County, NYNY36,4380–

2829Franklin County, NYNY46,5000–

2830Fulton County, NYNY52,2160–

2831Genesee County, NYNY58,4160–

2832Greene County, NYNY47,2380–

2833Hamilton County, NYNY5,0060–

2834Lewis County, NYNY26,4790–

2835Livingston County, NYNY61,4380–

2836Madison County, NYNY67,1200–

2837Monroe County, NYNY750,5060–

2838Montgomery County, NYNY50,0460–

2839Oneida County, NYNY226,3920–

2840Onondaga County, NYNY466,5840–

2841Ontario County, NYNY113,1300–

2842Orange County, NYNY417,6690–

2843Oswego County, NYNY118,5690–

2844Otsego County, NYNY60,5890–

2845Putnam County, NYNY99,0280–

2846Rensselaer County, NYNY160,5100–

2847Richmond County, NYNY501,2900–

2848St. Lawrence County, NYNY105,4880–

2849Saratoga County, NYNY241,3430–

2850Schenectady County, NYNY162,5810–

2851Schoharie County, NYNY30,1760–

2852Schuyler County, NYNY16,9240–

2853Seneca County, NYNY32,8830–

2854Steuben County, NYNY91,8550–

2855Suffolk County, NYNY1,546,0900–

2856Sullivan County, NYNY80,5860–

2857Tioga County, NYNY47,4530–

2858Alleghany County, NCNC11,4790–

2859Ashe County, NCNC27,5140–

2860Avery County, NCNC18,1100–

2861Buncombe County, NCNC277,4170–

2862Carteret County, NCNC70,4690–

2863Cherokee County, NCNC30,8300–

2864Clay County, NCNC12,2390–

2865Dare County, NCNC38,2450–

2866Graham County, NCNC8,1900–

2867Jackson County, NCNC45,0390–

2868Macon County, NCNC39,2320–

2869Madison County, NCNC22,5530–

2870Mitchell County, NCNC15,0620–

2871Swain County, NCNC14,0240–

2872Transylvania County, NCNC34,2110–

2873Watauga County, NCNC54,7860–

2874Yancey County, NCNC19,0840–

2875Belmont County, OHOH64,4340–

2876Monroe County, OHOH12,9940–

2877Benton County, OROR97,7280–

2878Clackamas County, OROR426,2800–

2879Clatsop County, OROR40,9260–

2880Columbia County, OROR54,0910–

2881Coos County, OROR63,9920–

2882Curry County, OROR22,6210–

2883Hood River County, OROR23,7200–

2884Lane County, OROR381,5840–

2885Lincoln County, OROR50,6360–

2886Linn County, OROR132,8430–

2887Marion County, OROR355,7770–

2888Polk County, OROR90,0370–

2889Tillamook County, OROR27,3840–

2890Yamhill County, OROR110,0240–

2891Armstrong County, PAPA63,6980–

2892Blair County, PAPA119,5410–

2893Bradford County, PAPA59,6000–

2894Cambria County, PAPA128,9680–

2895Cameron County, PAPA4,2110–

2896Carbon County, PAPA65,8680–

2897Centre County, PAPA157,3930–

2898Clarion County, PAPA36,6800–

2899Clearfield County, PAPA78,1000–

2900Clinton County, PAPA37,8700–

2901Columbia County, PAPA66,1930–

2902Elk County, PAPA29,9260–

2903Erie County, PAPA265,8320–

2904Greene County, PAPA33,8850–

2905Huntingdon County, PAPA43,0010–

2906Indiana County, PAPA82,8780–

2907Lackawanna County, PAPA216,5020–

2908McKean County, PAPA38,9840–

2909Mercer County, PAPA107,8600–

2910Mifflin County, PAPA46,1270–

2911Monroe County, PAPA167,1790–

2912Montour County, PAPA17,8680–

2913Northumberland County, PAPA89,9200–

2914Pike County, PAPA62,8080–

2915Potter County, PAPA15,8970–

2916Somerset County, PAPA72,0040–

2917Sullivan County, PAPA5,8560–

2918Union County, PAPA42,3130–

2919Venango County, PAPA49,3460–

2920Warren County, PAPA37,0380–

2921Wayne County, PAPA51,7030–

2922Carter County, TNTN57,3610–

2923Cocke County, TNTN37,8890–

2924Johnson County, TNTN18,7180–

2925Aransas County, TXTX26,1460–

2926Garfield County, UTUT5,2560–

2927Grand County, UTUT9,7900–

2928Kane County, UTUT8,5970–

2929Wasatch County, UTUT38,5140–

2930Addison County, VTVT38,0480–

2931Bennington County, VTVT36,6300–

2932Caledonia County, VTVT30,4140–

2933Essex County, VTVT6,0510–

2934Franklin County, VTVT51,1770–

2935Lamoille County, VTVT26,2940–

2936Orange County, VTVT30,0020–

2937Orleans County, VTVT27,6000–

2938Rutland County, VTVT59,6530–

2939Washington County, VTVT59,6520–

2940Windham County, VTVT45,2040–

2941Windsor County, VTVT57,3120–

2942Bland County, VAVA6,1510–

2943Carroll County, VAVA29,2990–

2944Floyd County, VAVA15,7890–

2945Grayson County, VAVA15,2300–

2946Highland County, VAVA2,3180–

2947Lancaster County, VAVA10,9950–

2948Lee County, VAVA21,6420–

2949Montgomery County, VAVA98,4340–

2950Northampton County, VAVA11,8790–

2951Northumberland County, VAVA12,5570–

2952Patrick County, VAVA17,4240–

2953Pulaski County, VAVA33,5860–

2954Russell County, VAVA25,3320–

2955Smyth County, VAVA28,8820–

2956Tazewell County, VAVA38,6350–

2957Washington County, VAVA53,8980–

2958Westmoreland County, VAVA19,7150–

2959Wythe County, VAVA27,9830–

2960Wahkiakum County, WAWA4,8730–

2961Whatcom County, WAWA236,3920–

2962Barbour County, WVWV15,4140–

2963Braxton County, WVWV11,8850–

2964Greenbrier County, WVWV31,5780–

2965Harrison County, WVWV64,2210–

2966Lewis County, WVWV16,3940–

2967Logan County, WVWV30,3750–

2968McDowell County, WVWV16,8780–

2969Marion County, WVWV55,5840–

2970Marshall County, WVWV29,1590–

2971Mercer County, WVWV57,5030–

2972Monroe County, WVWV12,4910–

2973Nicholas County, WVWV23,8480–

2974Ohio County, WVWV40,4960–

2975Pendleton County, WVWV5,8260–

2976Pocahontas County, WVWV7,6020–

2977Randolph County, WVWV26,8820–

2978Summers County, WVWV11,5320–

2979Tucker County, WVWV6,5400–

2980Upshur County, WVWV23,7580–

2981Webster County, WVWV7,7600–

2982Wetzel County, WVWV13,7340–

2983Ashland County, WIWI16,2030–

2984Kewaunee County, WIWI20,7580–

2985Lincoln County, WIWI28,4030–

2986Manitowoc County, WIWI81,7100–

2987Sheboygan County, WIWI118,0470–

2988Albany County, WYWY38,5580–

2989Chittenden County, VTVT169,1150–

2990Monongalia County, WVWV107,9910–

2991Raleigh County, WVWV71,7750–

2992Price County, WIWI13,9880–

2993Johnson County, WYWY8,9080–

2994Lincoln County, WYWY21,1800–

2995Park County, WYWY31,1710–

2996Sublette County, WYWY8,9290–

2997Teton County, WYWY23,3330–

2998Uinta County, WYWY20,7280–

2999Chugach Census Area, AKAK6,5530–

3000Idaho County, IDID17,8740–

SHOWING 2,501–3,000 OF 3,144

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