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 –

2501Rockingham County, NHNH324,0772–

2502Bergen County, NJNJ977,0262–

2503Grant County, NMNM27,2522–

2504Jefferson County, NYNY111,5402–

2505Rockland County, NYNY357,3972–

2506Currituck County, NCNC33,1582–

2507Pasquotank County, NCNC42,2012–

2508Clark County, OHOH135,3402–

2509Coshocton County, OHOH37,1882–

2510Delaware County, OHOH242,0322–

2511Erie County, OHOH73,2962–

2512Franklin County, OHOH1,361,5362–

2513Knox County, OHOH64,0022–

2514Licking County, OHOH185,5642–

2515Logan County, OHOH46,3022–

2516Lucas County, OHOH423,3472–

2517Miami County, OHOH112,6342–

2518Muskingum County, OHOH87,0142–

2519Ottawa County, OHOH39,4812–

2520Sandusky County, OHOH58,6552–

2521Union County, OHOH73,4462–

2522Williams County, OHOH36,5492–

2523Bedford County, PAPA47,4802–

2524Bucks County, PAPA647,8282–

2525Lancaster County, PAPA563,1592–

2526Lebanon County, PAPA146,3802–

2527Perry County, PAPA46,8062–

2528Washington County, PAPA210,8022–

2529York County, PAPA473,1972–

2530Campbell County, TNTN40,2902–

2531Claiborne County, TNTN33,2292–

2532Cumberland County, TNTN66,3002–

2533Hancock County, TNTN7,0752–

2534Hawkins County, TNTN59,5592–

2535Morgan County, TNTN22,1602–

2536Weber County, UTUT278,1742–

2537Augusta County, VAVA78,9402–

2538Rockbridge County, VAVA22,6632–

2539Buena Vista, VAVA6,6722–

2540Lexington, VAVA7,7692–

2541Asotin County, WAWA22,5452–

2542Columbia County, WAWA4,1412–

2543Boone County, WVWV20,2512–

2544Calhoun County, WVWV5,9782–

2545Kanawha County, WVWV172,3812–

2546Putnam County, WVWV56,8852–

2547Wirt County, WVWV4,8792–

2548Wyoming County, WVWV19,8012–

2549Brown County, WIWI275,8032–

2550Burnett County, WIWI17,2232–

2551Calumet County, WIWI53,9822–

2552Clark County, WIWI35,0522–

2553Eau Claire County, WIWI109,0332–

2554Kenosha County, WIWI168,4482–

2555Marathon County, WIWI139,4322–

2556Marinette County, WIWI42,5742–

2557Monroe County, WIWI46,5722–

2558Trempealeau County, WIWI31,1712–

2559Washington County, WIWI139,2382–

2560Waupaca County, WIWI51,4612–

2561Carbon County, WYWY14,0132–

2562Sweetwater County, WYWY41,2672–

2563Washakie County, WYWY7,5972–

2564Alamosa County, COCO16,6881–

2565Conejos County, COCO7,5291–

2566Douglas County, COCO399,3961–

2567Lower Connecticut River Valley Planning Region, CTCT177,3111–

2568Naugatuck Valley Planning Region, CTCT463,3491–

2569Brevard County, FLFL663,9821–

2570Wakulla County, FLFL38,0891–

2571Gilmer County, GAGA33,8941–

2572Bear Lake County, IDID6,7271–

2573Bonneville County, IDID135,7711–

2574Clark County, IDID7831–

2575Madison County, IDID55,1721–

2576Wayne County, ININ66,1691–

2577Leslie County, KYKY9,6271–

2578Barry County, MIMI63,9911–

2579Clare County, MIMI31,5431–

2580Clinton County, MIMI80,4321–

2581Crawford County, MIMI13,7221–

2582Delta County, MIMI36,5821–

2583Dickinson County, MIMI25,8271–

2584Genesee County, MIMI401,0931–

2585Gratiot County, MIMI41,1901–

2586Iosco County, MIMI25,2661–

2587Isabella County, MIMI64,6911–

2588Jackson County, MIMI159,5521–

2589Kalkaska County, MIMI18,6931–

2590Kent County, MIMI675,2321–

2591Lapeer County, MIMI89,5161–

2592Livingston County, MIMI197,3151–

2593Macomb County, MIMI886,2211–

2594Menominee County, MIMI22,9411–

2595Missaukee County, MIMI15,2741–

2596Montcalm County, MIMI69,4061–

2597Montmorency County, MIMI9,8421–

2598Newaygo County, MIMI51,6221–

2599Oakland County, MIMI1,288,3371–

2600Ogemaw County, MIMI21,1211–

2601Osceola County, MIMI23,5161–

2602Oscoda County, MIMI8,7231–

2603Roscommon County, MIMI23,9141–

2604St. Clair County, MIMI160,4861–

2605Washtenaw County, MIMI370,2141–

2606Itasca County, MNMN45,4041–

2607Koochiching County, MNMN11,5871–

2608St. Louis County, MNMN200,5181–

2609Elko County, NVNV54,8151–

2610Hillsborough County, NHNH433,4151–

2611Morris County, NJNJ524,2511–

2612Mora County, NMNM4,0511–

2613Niagara County, NYNY208,9121–

2614Orleans County, NYNY39,8251–

2615Wayne County, NYNY91,2501–

2616Westchester County, NYNY1,015,7431–

2617New Hanover County, NCNC245,9591–

2618Ashland County, OHOH52,5231–

2619Ashtabula County, OHOH96,7131–

2620Carroll County, OHOH26,4751–

2621Champaign County, OHOH38,8201–

2622Columbiana County, OHOH99,3771–

2623Crawford County, OHOH41,8961–

2624Cuyahoga County, OHOH1,232,9251–

2625Geauga County, OHOH95,6761–

2626Harrison County, OHOH14,0701–

2627Holmes County, OHOH44,9701–

2628Huron County, OHOH58,2501–

2629Jefferson County, OHOH63,5971–

2630Lake County, OHOH232,2171–

2631Lorain County, OHOH323,2191–

2632Mahoning County, OHOH224,7061–

2633Medina County, OHOH185,0251–

2634Portage County, OHOH163,4041–

2635Richland County, OHOH124,8931–

2636Stark County, OHOH373,7711–

2637Summit County, OHOH538,3761–

2638Trumbull County, OHOH198,9721–

2639Tuscarawas County, OHOH92,3731–

2640Washington County, OHOH58,3891–

2641Wayne County, OHOH116,7581–

2642Multnomah County, OROR795,3911–

2643Washington County, OROR611,7081–

2644Allegheny County, PAPA1,225,0351–

2645Beaver County, PAPA166,0321–

2646Berks County, PAPA440,0721–

2647Crawford County, PAPA81,7921–

2648Dauphin County, PAPA293,3511–

2649Lawrence County, PAPA83,9111–

2650Lehigh County, PAPA384,3831–

2651Schuylkill County, PAPA145,0851–

2652Snyder County, PAPA39,6551–

2653Beaufort County, SCSC204,4331–

2654Lawrence County, SDSD29,4591–

2655Pickett County, TNTN5,2191–

2656Putnam County, TNTN86,6121–

2657Sullivan County, TNTN163,7591–

2658Morgan County, UTUT13,3831–

2659Rich County, UTUT2,6871–

2660Sanpete County, UTUT31,4531–

2661Mathews County, VAVA8,5291–

2662York County, VAVA71,3741–

2663Bristol, VAVA16,4181–

2664Hampton, VAVA137,3151–

2665Newport News, VAVA183,2301–

2666Poquoson, VAVA13,2921–

2667Kitsap County, WAWA283,3741–

2668Stevens County, WAWA49,6681–

2669Brooke County, WVWV21,1421–

2670Clay County, WVWV7,5381–

2671Doddridge County, WVWV7,6341–

2672Gilmer County, WVWV7,0851–

2673Hancock County, WVWV27,7291–

2674Pleasants County, WVWV7,3381–

2675Ritchie County, WVWV8,0341–

2676Roane County, WVWV13,3171–

2677Tyler County, WVWV7,8811–

2678Wood County, WVWV82,3851–

2679Bayfield County, WIWI16,7871–

2680Douglas County, WIWI43,9901–

2681Florence County, WIWI4,7481–

2682La Crosse County, WIWI121,3391–

2683Langlade County, WIWI19,5341–

2684Milwaukee County, WIWI924,2161–

2685Oconto County, WIWI40,1951–

2686Ozaukee County, WIWI94,3461–

2687Portage County, WIWI71,9431–

2688Rusk County, WIWI14,1461–

2689Sawyer County, WIWI18,8461–

2690Taylor County, WIWI20,1181–

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–

2697Chugach Census Area, AKAK6,5530–

2698Copper River Census Area, AKAK2,6660–

2699Denali, AKAK1,6160–

2700Dillingham Census Area, AKAK4,4830–

2701Fairbanks North Star, AKAK93,9720–

2702Haines, AKAK2,0680–

2703Hoonah-Angoon Census Area, AKAK2,2710–

2704Juneau, AKAK31,6090–

2705Kenai Peninsula, AKAK61,9510–

2706Ketchikan Gateway, AKAK13,5490–

2707Kodiak Island, AKAK12,3870–

2708Kusilvak Census Area, AKAK7,9320–

2709Lake and Peninsula, AKAK1,3570–

2710Matanuska-Susitna, AKAK118,6660–

2711Nome Census Area, AKAK9,8300–

2712North Slope, AKAK10,5820–

2713Northwest Arctic, AKAK7,0950–

2714Petersburg, AKAK3,3940–

2715Prince of Wales-Hyder Census Area, AKAK5,7770–

2716Sitka, AKAK8,3190–

2717Skagway, AKAK1,1040–

2718Southeast Fairbanks Census Area, AKAK7,2700–

2719Wrangell, AKAK2,0070–

2720Yakutat, AKAK6720–

2721Yukon-Koyukuk Census Area, AKAK5,0280–

2722Alpine County, CACA1,0430–

2723Del Norte County, CACA26,4100–

2724Mono County, CACA12,5050–

2725Monterey County, CACA433,7290–

2726San Francisco County, CACA826,0790–

2727Sierra County, CACA3,0980–

2728Sonoma County, CACA486,4440–

2729Tuolumne County, CACA53,1600–

2730Archuleta County, COCO14,3060–

2731Chaffee County, COCO20,8310–

2732Clear Creek County, COCO8,9940–

2733Costilla County, COCO3,6790–

2734Custer County, COCO5,5900–

2735Dolores County, COCO2,4660–

2736Eagle County, COCO54,2910–

2737Fremont County, COCO50,0390–

2738Garfield County, COCO63,4740–

2739Gilpin County, COCO6,0730–

2740Grand County, COCO16,4960–

2741Gunnison County, COCO17,4390–

2742Hinsdale County, COCO7530–

2743Huerfano County, COCO7,0110–

2744Jackson County, COCO1,2110–

2745Jefferson County, COCO580,4510–

2746Lake County, COCO7,5520–

2747Larimer County, COCO377,2920–

2748Mineral County, COCO9100–

2749Montrose County, COCO44,5910–

2750Ouray County, COCO5,2650–

2751Park County, COCO18,3140–

2752Pitkin County, COCO16,6250–

2753Rio Blanco County, COCO6,6830–

2754Rio Grande County, COCO11,0870–

2755Routt County, COCO25,3290–

2756Saguache County, COCO6,7320–

2757San Juan County, COCO8130–

2758Summit County, COCO31,5170–

2759Teller County, COCO24,7560–

2760Capitol Planning Region, CTCT994,1150–

2761Northwest Hills Planning Region, CTCT114,6900–

2762South Central Connecticut Planning Region, CTCT578,7410–

2763Western Connecticut Planning Region, CTCT640,4820–

2764Dixie County, FLFL18,0380–

2765Escambia County, FLFL333,8340–

2766Franklin County, FLFL13,0290–

2767Monroe County, FLFL80,4060–

2768Pinellas County, FLFL948,5630–

2769Rabun County, GAGA17,7640–

2770Towns County, GAGA13,2850–

2771Union County, GAGA27,8590–

2772Hawaii County, HIHI210,0430–

2773Honolulu County, HIHI988,7030–

2774Kalawao County, HIHI820–

2775Kauai County, HIHI73,4000–

2776Maui County, HIHI160,5920–

2777Blaine County, IDID25,5170–

2778Boise County, IDID8,5450–

2779Bonner County, IDID54,4200–

2780Boundary County, IDID13,9970–

2781Camas County, IDID1,3160–

2782Caribou County, IDID7,2520–

2783Clearwater County, IDID9,1180–

2784Custer County, IDID4,6360–

2785Fremont County, IDID14,2080–

2786Idaho County, IDID17,8740–

2787Lemhi County, IDID8,4740–

2788Shoshone County, IDID14,1300–

2789Teton County, IDID13,2540–

2790Valley County, IDID12,8310–

2791Harlan County, KYKY24,7250–

2792Letcher County, KYKY19,9520–

2793Plaquemines Parish, LALA22,2560–

2794St. Bernard Parish, LALA45,6420–

2795Androscoggin County, MEME116,4870–

2796Aroostook County, MEME66,6090–

2797Cumberland County, MEME317,2220–

2798Franklin County, MEME30,8240–

2799Hancock County, MEME57,1710–

2800Kennebec County, MEME129,0670–

2801Knox County, MEME41,1170–

2802Lincoln County, MEME36,5950–

2803Oxford County, MEME60,3460–

2804Penobscot County, MEME157,9670–

2805Piscataquis County, MEME17,4090–

2806Sagadahoc County, MEME37,9790–

2807Somerset County, MEME51,6200–

2808Waldo County, MEME40,6930–

2809Washington County, MEME31,3340–

2810Anne Arundel County, MDMD603,3800–

2811Calvert County, MDMD94,4840–

2812Dorchester County, MDMD33,6280–

2813Garrett County, MDMD28,3700–

2814St. Mary's County, MDMD116,6920–

2815Talbot County, MDMD38,2380–

2816Barnstable County, MAMA233,5390–

2817Berkshire County, MAMA128,2240–

2818Dukes County, MAMA21,2190–

2819Essex County, MAMA826,6530–

2820Franklin County, MAMA70,6980–

2821Hampden County, MAMA464,3380–

2822Hampshire County, MAMA164,0650–

2823Nantucket County, MAMA14,7580–

2824Worcester County, MAMA888,5020–

2825Alcona County, MIMI10,5560–

2826Alger County, MIMI8,6410–

2827Allegan County, MIMI123,1880–

2828Alpena County, MIMI28,8530–

2829Baraga County, MIMI8,1690–

2830Charlevoix County, MIMI26,0360–

2831Cheboygan County, MIMI25,7930–

2832Chippewa County, MIMI36,0810–

2833Emmet County, MIMI33,7750–

2834Gogebic County, MIMI14,2850–

2835Houghton County, MIMI37,8420–

2836Huron County, MIMI30,5300–

2837Iron County, MIMI11,7570–

2838Keweenaw County, MIMI2,1860–

2839Leelanau County, MIMI22,9820–

2840Luce County, MIMI6,3390–

2841Mackinac County, MIMI11,2360–

2842Marquette County, MIMI68,0640–

2843Mason County, MIMI29,0400–

2844Muskegon County, MIMI177,9010–

2845Oceana County, MIMI27,1770–

2846Ontonagon County, MIMI5,8230–

2847Otsego County, MIMI26,0800–

2848Ottawa County, MIMI308,4590–

2849Presque Isle County, MIMI13,1280–

2850Sanilac County, MIMI40,0830–

2851Schoolcraft County, MIMI8,1870–

2852Cook County, MNMN5,5220–

2853Lake County, MNMN10,7460–

2854Beaverhead County, MTMT10,0430–

2855Deer Lodge County, MTMT9,7090–

2856Flathead County, MTMT115,4290–

2857Granite County, MTMT3,6580–

2858Jefferson County, MTMT13,3290–

2859Judith Basin County, MTMT2,1620–

2860Lincoln County, MTMT22,3280–

2861Madison County, MTMT10,0260–

2862Meagher County, MTMT2,1370–

2863Mineral County, MTMT5,1850–

2864Missoula County, MTMT123,5130–

2865Park County, MTMT18,2140–

2866Powell County, MTMT7,1570–

2867Ravalli County, MTMT48,5820–

2868Sanders County, MTMT14,0620–

2869Silver Bow County, MTMT36,1180–

2870Douglas County, NVNV50,1110–

2871Nye County, NVNV57,3360–

2872Carson City, NVNV58,5710–

2873Belknap County, NHNH65,1470–

2874Carroll County, NHNH52,7840–

2875Cheshire County, NHNH78,2690–

2876Coos County, NHNH31,3430–

2877Grafton County, NHNH93,2250–

2878Merrimack County, NHNH158,0780–

2879Sullivan County, NHNH43,9610–

2880Cape May County, NJNJ93,3900–

2881Monmouth County, NJNJ651,0350–

2882Passaic County, NJNJ531,6240–

2883Sussex County, NJNJ148,0630–

2884Warren County, NJNJ112,9530–

2885Catron County, NMNM3,8270–

2886Cibola County, NMNM26,8070–

2887Los Alamos County, NMNM19,4070–

2888Rio Arriba County, NMNM39,8320–

2889Sandoval County, NMNM159,5650–

2890Taos County, NMNM34,5640–

2891Albany County, NYNY321,2250–

2892Allegany County, NYNY46,8000–

2893Broome County, NYNY195,7360–

2894Cattaraugus County, NYNY75,3900–

2895Cayuga County, NYNY74,3650–

2896Chautauqua County, NYNY124,1260–

2897Chemung County, NYNY80,4150–

2898Chenango County, NYNY45,7150–

2899Clinton County, NYNY78,1380–

2900Columbia County, NYNY60,1680–

2901Cortland County, NYNY45,8500–

2902Delaware County, NYNY44,3050–

2903Dutchess County, NYNY300,7080–

2904Erie County, NYNY946,7410–

2905Essex County, NYNY36,4380–

2906Franklin County, NYNY46,5000–

2907Fulton County, NYNY52,2160–

2908Genesee County, NYNY58,4160–

2909Greene County, NYNY47,2380–

2910Hamilton County, NYNY5,0060–

2911Herkimer County, NYNY59,2190–

2912Lewis County, NYNY26,4790–

2913Livingston County, NYNY61,4380–

2914Madison County, NYNY67,1200–

2915Monroe County, NYNY750,5060–

2916Montgomery County, NYNY50,0460–

2917Nassau County, NYNY1,398,9390–

2918Oneida County, NYNY226,3920–

2919Onondaga County, NYNY466,5840–

2920Ontario County, NYNY113,1300–

2921Orange County, NYNY417,6690–

2922Oswego County, NYNY118,5690–

2923Otsego County, NYNY60,5890–

2924Putnam County, NYNY99,0280–

2925Rensselaer County, NYNY160,5100–

2926Richmond County, NYNY501,2900–

2927St. Lawrence County, NYNY105,4880–

2928Saratoga County, NYNY241,3430–

2929Schenectady County, NYNY162,5810–

2930Schoharie County, NYNY30,1760–

2931Schuyler County, NYNY16,9240–

2932Seneca County, NYNY32,8830–

2933Steuben County, NYNY91,8550–

2934Suffolk County, NYNY1,546,0900–

2935Sullivan County, NYNY80,5860–

2936Tioga County, NYNY47,4530–

2937Tompkins County, NYNY104,0470–

2938Ulster County, NYNY183,3300–

2939Warren County, NYNY65,0200–

2940Washington County, NYNY59,3530–

2941Wyoming County, NYNY39,7410–

2942Yates County, NYNY24,5470–

2943Alleghany County, NCNC11,4790–

2944Ashe County, NCNC27,5140–

2945Avery County, NCNC18,1100–

2946Buncombe County, NCNC277,4170–

2947Carteret County, NCNC70,4690–

2948Cherokee County, NCNC30,8300–

2949Clay County, NCNC12,2390–

2950Dare County, NCNC38,2450–

2951Graham County, NCNC8,1900–

2952Haywood County, NCNC63,3690–

2953Henderson County, NCNC122,3750–

2954Jackson County, NCNC45,0390–

2955Macon County, NCNC39,2320–

2956Madison County, NCNC22,5530–

2957Mitchell County, NCNC15,0620–

2958Swain County, NCNC14,0240–

2959Transylvania County, NCNC34,2110–

2960Watauga County, NCNC54,7860–

2961Yancey County, NCNC19,0840–

2962Belmont County, OHOH64,4340–

2963Monroe County, OHOH12,9940–

2964Benton County, OROR97,7280–

2965Clackamas County, OROR426,2800–

2966Clatsop County, OROR40,9260–

2967Columbia County, OROR54,0910–

2968Coos County, OROR63,9920–

2969Curry County, OROR22,6210–

2970Hood River County, OROR23,7200–

2971Lane County, OROR381,5840–

2972Lincoln County, OROR50,6360–

2973Linn County, OROR132,8430–

2974Marion County, OROR355,7770–

2975Polk County, OROR90,0370–

2976Tillamook County, OROR27,3840–

2977Yamhill County, OROR110,0240–

2978Armstrong County, PAPA63,6980–

2979Blair County, PAPA119,5410–

2980Bradford County, PAPA59,6000–

2981Butler County, PAPA200,1690–

2982Cambria County, PAPA128,9680–

2983Cameron County, PAPA4,2110–

2984Carbon County, PAPA65,8680–

2985Centre County, PAPA157,3930–

2986Clarion County, PAPA36,6800–

2987Clearfield County, PAPA78,1000–

2988Clinton County, PAPA37,8700–

2989Columbia County, PAPA66,1930–

2990Elk County, PAPA29,9260–

2991Erie County, PAPA265,8320–

2992Fayette County, PAPA123,0210–

2993Forest County, PAPA6,6140–

2994Franklin County, PAPA160,6520–

2995Greene County, PAPA33,8850–

2996Huntingdon County, PAPA43,0010–

2997Indiana County, PAPA82,8780–

2998Jefferson County, PAPA43,2550–

2999Juniata County, PAPA23,4030–

3000Lackawanna County, PAPA216,5020–

SHOWING 2,501–3,000 OF 3,144

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