RANKING · 2024 ACS · 500 SHOWN OF 3,144

Largest Irish population, US counties

US counties ranked by the number of residents who are Irish ancestry, from the 2023 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV.

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SAME RANKING BYCities States Metros

RELATEDLargest American population Highest American population share Largest Arab population Highest Arab population share Largest Egyptian population Highest Egyptian population share

YEAR2010 2020 2024

RANKPLACESTATEPOPIRISH POPULATIONVS 2000

2501Franklin County, IAIA9,868712–

2502Clay County, MSMS18,238709–

2503Chippewa County, MNMN12,406708–

2504Lyon County, IAIA12,354705–

2505Mitchell County, KSKS5,590703–

2506Rosebud County, MTMT8,253702–

2507Scott County, ILIL4,866702–

2508Lyon County, KYKY9,123700–

2509Nevada County, ARAR7,942694–

2510Anson County, NCNC21,758691–

2511Conecuh County, ALAL10,899690–

2512Jefferson County, NENE7,070690–

2513Union County, ININ6,863690–

2514Toole County, MTMT5,211690–

2515Gates County, NCNC10,234687–

2516Southeast Fairbanks Census Area, AKAK7,270684–

2517Tillman County, OKOK6,780682–

2518Saguache County, COCO6,732682–

2519Charlotte County, VAVA11,401679–

2520Todd County, KYKY12,972679–

2521Calhoun County, ARAR4,632678–

2522Kingman County, KSKS7,029676–

2523Franklin County, IDID15,889674–

2524Washakie County, WYWY7,597671–

2525Northampton County, VAVA11,879670–

2526Tucker County, WVWV6,540670–

2527Stark County, ILIL5,319670–

2528Big Stone County, MNMN5,054668–

2529Jack County, TXTX9,563667–

2530Martinsville, VAVA13,849664–

2531Boone County, NENE5,355663–

2532Cumberland County, KYKY5,992663–

2533Adams County, IDID5,013660–

2534Moore County, TXTX21,891659–

2535Johnson County, GAGA9,310659–

2536Choctaw County, ALAL11,904658–

2537Carroll County, KYKY11,141656–

2538Wallowa County, OROR7,595654–

2539Bon Homme County, SDSD7,244654–

2540Kearney County, NENE6,790652–

2541Monroe County, ALAL18,965650–

2542Frio County, TXTX18,823649–

2543Phillips County, ARAR14,255648–

2544Iron County, WIWI6,127648–

2545Baraga County, MIMI8,169646–

2546Kit Carson County, COCO7,069645–

2547Hertford County, NCNC19,015644–

2548Harrison County, MOMO8,281642–

2549Murray County, MNMN7,942641–

2550Washington County, KSKS5,533641–

2551Jefferson Davis County, MSMS10,941640–

2552Valley County, MTMT7,385640–

2553Lamb County, TXTX12,579638–

2554Gaines County, TXTX23,956638–

2555Mathews County, VAVA8,529637–

2556Daviess County, MOMO8,558635–

2557Jefferson County, OKOK5,431635–

2558Charlton County, GAGA13,121635–

2559Phillips County, MTMT4,203633–

2560Conejos County, COCO7,529632–

2561Cook County, MNMN5,522628–

2562Worth County, IAIA7,338627–

2563Kodiak Island, AKAK12,387626–

2564Charles Mix County, SDSD9,303626–

2565Dawson County, TXTX11,776624–

2566Covington, VAVA5,680623–

2567Cameron County, PAPA4,211622–

2568Ontonagon County, MIMI5,823621–

2569Pembina County, NDND6,568621–

2570Marlboro County, SCSC25,488621–

2571Tallahatchie County, MSMS10,877620–

2572Jasper County, MSMS15,785618–

2573Barnwell County, SCSC20,653618–

2574Mason County, TXTX3,990618–

2575Watonwan County, MNMN11,459617–

2576McCulloch County, TXTX7,472612–

2577Sussex County, VAVA10,755611–

2578San Saba County, TXTX5,787610–

2579Treutlen County, GAGA6,466610–

2580Montgomery County, GAGA8,635609–

2581Trousdale County, TNTN12,623608–

2582Dillon County, SCSC27,458607–

2583Essex County, VAVA10,654607–

2584Norton County, KSKS5,288606–

2585Power County, IDID8,246603–

2586Lincoln County, GAGA8,112601–

2587Shelby County, MOMO5,870600–

2588Morgan County, UTUT13,383599–

2589White Pine County, NVNV8,661598–

2590Crisp County, GAGA19,237597–

2591San Juan County, UTUT14,542597–

2592Yellow Medicine County, MNMN9,477596–

2593Prince of Wales-Hyder Census Area, AKAK5,777595–

2594Rooks County, KSKS4,646595–

2595Hutchinson County, SDSD7,413592–

2596Delta County, TXTX5,549591–

2597Ottawa County, KSKS5,744590–

2598Buchanan County, VAVA18,492589–

2599Morris County, KSKS5,348589–

2600Musselshell County, MTMT5,582588–

2601Cleveland County, ARAR7,224586–

2602Cuming County, NENE8,823585–

2603Casey County, KYKY16,205585–

2604Mineral County, MTMT5,185583–

2605Clinton County, KYKY9,139582–

2606Monroe County, ARAR6,244580–

2607Carter County, MOMO5,418579–

2608Grant County, OROR7,075579–

2609Clay County, NENE6,170578–

2610Nottoway County, VAVA15,796578–

2611Rock County, MNMN9,524575–

2612Lewis County, IDID3,704574–

2613St. Helena Parish, LALA10,758573–

2614Wayne County, MSMS19,807572–

2615Jenkins County, GAGA8,843570–

2616Grant County, SDSD7,534569–

2617Brunswick County, VAVA15,727569–

2618Jefferson County, GAGA15,011567–

2619Taylor County, IAIA5,835564–

2620Fillmore County, NENE5,458564–

2621Russell County, KSKS6,581564–

2622Nemaha County, NENE7,102563–

2623Cedar County, NENE8,373562–

2624Jones County, NCNC9,575562–

2625Beaver County, OKOK4,882562–

2626Richmond County, VAVA9,294559–

2627Washington County, COCO4,732559–

2628Pulaski County, GAGA10,172558–

2629Ben Hill County, GAGA17,099558–

2630Brown County, ILIL6,401558–

2631Seward County, KSKS21,073558–

2632Cottonwood County, MNMN11,405557–

2633Newton County, TXTX11,954555–

2634Crenshaw County, ALAL13,175554–

2635Pawnee County, KSKS5,991554–

2636Pope County, ILIL3,672549–

2637Ouray County, COCO5,265547–

2638Pickett County, TNTN5,219546–

2639Prowers County, COCO11,884541–

2640Wilkes County, GAGA9,540541–

2641Lincoln County, COCO5,645540–

2642Pondera County, MTMT6,072539–

2643King and Queen County, VAVA6,743539–

2644Cherry County, NENE5,561539–

2645Hancock County, GAGA8,682538–

2646Thayer County, NENE4,842535–

2647Shackelford County, TXTX3,197535–

2648Harper County, KSKS5,370534–

2649Dewey County, OKOK4,207532–

2650Kimble County, TXTX4,438530–

2651Socorro County, NMNM15,838529–

2652Livingston County, KYKY8,863527–

2653Pepin County, WIWI7,513526–

2654Hancock County, TNTN7,075524–

2655Adams County, IAIA3,617519–

2656Walsh County, NDND10,179518–

2657Quay County, NMNM8,454515–

2658Sherman County, KSKS5,763512–

2659Wilkin County, MNMN6,288511–

2660Bleckley County, GAGA12,866509–

2661Chariton County, MOMO7,377507–

2662Juab County, UTUT13,567506–

2663Kingsbury County, SDSD5,284504–

2664Northampton County, NCNC16,491503–

2665Alfalfa County, OKOK5,649501–

2666Archer County, TXTX9,129501–

2667Carson County, TXTX5,805500–

2668Mercer County, NDND8,441498–

2669Edwards County, ILIL5,898496–

2670Ellis County, OKOK3,613495–

2671Tripp County, SDSD5,708495–

2672Storey County, NVNV4,260494–

2673Bradley County, ARAR9,828490–

2674Childress County, TXTX6,643490–

2675Republic County, KSKS4,640490–

2676Grant County, OKOK4,067488–

2677Terry County, TXTX11,720487–

2678Beaver County, UTUT7,301487–

2679Atkinson County, GAGA8,454485–

2680Galax, VAVA6,670484–

2681Benton County, MSMS7,502483–

2682Traill County, NDND7,920483–

2683Big Horn County, MTMT12,752481–

2684Roger Mills County, OKOK3,259481–

2685Florence County, WIWI4,748481–

2686Ringgold County, IAIA4,642478–

2687Willacy County, TXTX19,971478–

2688Kemper County, MSMS8,600475–

2689Irwin County, GAGA9,020474–

2690Chautauqua County, KSKS3,321474–

2691Franklin County, MSMS7,491472–

2692Furnas County, NENE4,524472–

2693Evans County, GAGA11,028471–

2694Quitman County, MSMS5,364469–

2695Mills County, TXTX4,580469–

2696Wilkinson County, GAGA8,650468–

2697Smith County, KSKS3,566468–

2698Custer County, IDID4,636467–

2699Holt County, MOMO4,200464–

2700Webster County, NENE3,336463–

2701Donley County, TXTX3,213463–

2702Pulaski County, ILIL4,820461–

2703Lee County, SCSC15,730457–

2704Montgomery County, MSMS9,354455–

2705Woodruff County, ARAR5,710454–

2706Bath County, VAVA4,076454–

2707Turner County, GAGA8,983453–

2708Hartley County, TXTX4,904451–

2709Columbia County, WAWA4,141450–

2710Hardin County, ILIL3,588449–

2711Polk County, NENE5,270447–

2712Audubon County, IAIA5,509447–

2713Calhoun County, SCSC14,188446–

2714Marshall County, MNMN8,798444–

2715Woodson County, KSKS3,118440–

2716Valley County, NENE4,094439–

2717Union County, NMNM3,844438–

2718Ward County, TXTX11,125438–

2719Refugio County, TXTX6,657437–

2720Pecos County, TXTX14,560436–

2721Walworth County, SDSD5,217435–

2722Haskell County, TXTX5,499435–

2723Greeley County, NENE2,154435–

2724Barber County, KSKS4,083435–

2725Menifee County, KYKY6,430435–

2726Assumption Parish, LALA19,720430–

2727Red River Parish, LALA7,165429–

2728Roberts County, SDSD10,255429–

2729McLean County, NDND9,740426–

2730Bertie County, NCNC17,086425–

2731McHenry County, NDND5,130425–

2732Macon County, ALAL18,132422–

2733Chouteau County, MTMT5,865422–

2734Edmunds County, SDSD4,022422–

2735Buena Vista, VAVA6,672422–

2736Stanton County, NENE5,744421–

2737Phillips County, KSKS4,728421–

2738Clearwater County, MNMN8,647419–

2739Rush County, KSKS2,845419–

2740Brule County, SDSD5,278418–

2741Huerfano County, COCO7,011418–

2742Hickman County, KYKY4,372416–

2743Wheeler County, TXTX4,773416–

2744Granite County, MTMT3,658413–

2745Pipestone County, MNMN9,260412–

2746Sheridan County, MTMT3,436410–

2747Goliad County, TXTX7,208410–

2748Marion County, GAGA7,676410–

2749Grant County, MNMN6,085409–

2750Hyde County, NCNC4,554409–

2751Stafford County, KSKS4,005409–

2752Roosevelt County, MTMT10,242405–

2753Grant County, KSKS7,028405–

2754Claiborne Parish, LALA13,354403–

2755Craig County, VAVA4,800403–

2756Lander County, NVNV5,872400–

2757Martin County, TXTX5,284400–

2758Lafayette County, FLFL8,792400–

2759Chase County, NENE3,718399–

2760Dooly County, GAGA11,156397–

2761Pershing County, NVNV6,421397–

2762Butler County, NENE8,507395–

2763Charles City County, VAVA6,623395–

2764Bent County, COCO5,716394–

2765Carroll County, MSMS9,226393–

2766Lynn County, TXTX6,017393–

2767Dickey County, NDND4,895392–

2768Fisher County, TXTX3,692389–

2769Nance County, NENE3,290389–

2770Sullivan County, MOMO5,738388–

2771Telfair County, GAGA11,195387–

2772Osborne County, KSKS3,285386–

2773Deaf Smith County, TXTX18,626385–

2774Wahkiakum County, WAWA4,873384–

2775Lincoln County, MNMN5,583381–

2776Miller County, GAGA5,812381–

2777Lunenburg County, VAVA12,058380–

2778Kimball County, NENE3,391379–

2779Bottineau County, NDND6,284378–

2780Moody County, SDSD6,632378–

2781Sumter County, ALAL11,588377–

2782Meade County, KSKS3,852377–

2783Morrill County, NENE4,404377–

2784Emery County, UTUT10,177377–

2785Mineral County, NVNV4,407376–

2786Sheridan County, NENE4,809375–

2787Calhoun County, ILIL4,300375–

2788Baylor County, TXTX3,472374–

2789Lincoln County, NVNV4,320373–

2790Greensville County, VAVA11,181373–

2791Greenlee County, AZAZ9,312372–

2792Catahoula Parish, LALA8,223372–

2793Baca County, COCO3,347371–

2794Caribou County, IDID7,252371–

2795Cavalier County, NDND3,497370–

2796Dallas County, ARAR6,011368–

2797Macon County, GAGA11,756363–

2798Maverick County, TXTX58,823363–

2799Gregory County, SDSD4,037362–

2800Swisher County, TXTX6,703361–

2801Dallam County, TXTX7,508360–

2802Scott County, KSKS4,815358–

2803Ransom County, NDND5,617356–

2804Sweet Grass County, MTMT3,762356–

2805Johnson County, NENE5,218354–

2806Putnam County, MOMO4,546353–

2807Real County, TXTX2,745353–

2808Norton, VAVA3,477349–

2809Pawnee County, NENE2,510348–

2810Haakon County, SDSD1,802348–

2811Crowley County, COCO5,677348–

2812Lafayette County, ARAR5,888347–

2813Wolfe County, KYKY6,298346–

2814Wilcox County, ALAL9,666344–

2815Frontier County, NENE2,655344–

2816Osceola County, IAIA5,980344–

2817Lac qui Parle County, MNMN6,704343–

2818Gray County, KSKS5,652343–

2819Norman County, MNMN6,336339–

2820Wheatland County, MTMT2,100339–

2821Nuckolls County, NENE4,100339–

2822Alexander County, ILIL4,570339–

2823Warren County, GAGA5,269335–

2824Meagher County, MTMT2,137335–

2825Hamlin County, SDSD6,900334–

2826Elk County, KSKS2,458333–

2827Gove County, KSKS2,631333–

2828Catron County, NMNM3,827332–

2829Bear Lake County, IDID6,727332–

2830Sierra County, CACA3,098329–

2831Twiggs County, GAGA7,597328–

2832Perkins County, SDSD2,853327–

2833Schuyler County, MOMO4,140323–

2834Hidalgo County, NMNM3,929319–

2835Winkler County, TXTX7,540319–

2836Judith Basin County, MTMT2,162318–

2837Holmes County, MSMS15,465317–

2838Gilliam County, OROR1,971317–

2839Niobrara County, WYWY2,341309–

2840Lincoln County, KSKS2,861309–

2841Carlisle County, KYKY4,747309–

2842Lake of the Woods County, MNMN3,770308–

2843Jewell County, KSKS2,830308–

2844Ochiltree County, TXTX9,284307–

2845Hemphill County, TXTX3,083304–

2846Hardeman County, TXTX3,292304–

2847Talbot County, GAGA5,709301–

2848Sherman County, NENE2,924300–

2849Phillips County, COCO4,420300–

2850Knox County, MOMO3,728299–

2851Franklin County, NENE2,795299–

2852Mercer County, MOMO3,404298–

2853Brown County, NENE2,826296–

2854Lyman County, SDSD3,694296–

2855Surry County, VAVA6,603295–

2856Noxubee County, MSMS9,798294–

2857Early County, GAGA10,455293–

2858Yoakum County, TXTX7,438292–

2859Petersburg, AKAK3,394290–

2860Hand County, SDSD3,121290–

2861Lincoln County, IDID5,603290–

2862Blaine County, MTMT6,860289–

2863Garfield County, NENE1,710289–

2864La Salle County, TXTX6,517289–

2865Garfield County, UTUT5,256289–

2866Clinch County, GAGA6,847288–

2867Red Lake County, MNMN3,940286–

2868Humphreys County, MSMS7,001286–

2869Harper County, OKOK3,172286–

2870Sanborn County, SDSD2,388286–

2871Bethel Census Area, AKAK18,391285–

2872Clark County, SDSD4,031285–

2873Dolores County, COCO2,466285–

2874Tunica County, MSMS8,819284–

2875Wirt County, WVWV4,879284–

2876Tensas Parish, LALA3,700283–

2877Nome Census Area, AKAK9,830282–

2878North Slope, AKAK10,582282–

2879Petersburg, VAVA33,734282–

2880Allendale County, SCSC7,355281–

2881Mountrail County, NDND9,395280–

2882Owsley County, KYKY3,932280–

2883Terrell County, GAGA8,656278–

2884Stevens County, KSKS4,984278–

2885Faulk County, SDSD2,178276–

2886Morton County, KSKS2,470276–

2887Concho County, TXTX3,607275–

2888Dundy County, NENE1,568273–

2889Garden County, NENE1,804272–

2890Mora County, NMNM4,051272–

2891Bamberg County, SCSC12,796272–

2892Franklin, VAVA8,478272–

2893Desha County, ARAR9,984271–

2894Kiowa County, KSKS2,432271–

2895Fulton County, KYKY6,218271–

2896Wilkinson County, MSMS7,582269–

2897Hanson County, SDSD3,456269–

2898Wilcox County, GAGA8,797269–

2899Hitchcock County, NENE2,467268–

2900Sterling County, TXTX1,349268–

2901Garfield County, WAWA2,416267–

2902LaMoure County, NDND4,135265–

2903Eureka County, NVNV1,867265–

2904Thurston County, NENE6,752264–

2905Crosby County, TXTX4,852264–

2906Knox County, TXTX3,192263–

2907Chase County, KSKS2,572263–

2908Washington County, NCNC10,638262–

2909Edwards County, TXTX1,370262–

2910Pierce County, NDND3,838260–

2911Graham County, KSKS2,371260–

2912Collingsworth County, TXTX2,487259–

2913Chicot County, ARAR9,107257–

2914Logan County, KSKS2,661257–

2915Fallon County, MTMT2,959256–

2916Highland County, VAVA2,318256–

2917Throckmorton County, TXTX1,554255–

2918Dunn County, NDND4,058255–

2919Echols County, GAGA3,685255–

2920Hansford County, TXTX4,944252–

2921Day County, SDSD5,484251–

2922Jackson County, SDSD2,666250–

2923Hoonah-Angoon Census Area, AKAK2,271248–

2924Boyd County, NENE1,674248–

2925Ness County, KSKS2,617248–

2926Decatur County, KSKS2,716246–

2927Trego County, KSKS2,740246–

2928Foster County, NDND3,212245–

2929Perkins County, NENE2,849243–

2930Hudspeth County, TXTX3,433241–

2931Cheyenne County, COCO1,713241–

2932Wells County, NDND3,729240–

2933Sedgwick County, COCO2,247239–

2934Liberty County, MTMT1,957238–

2935Rawlins County, KSKS2,431238–

2936Perry County, ALAL7,425237–

2937Copper River Census Area, AKAK2,666237–

2938Wheeler County, OROR1,472236–

2939Wrangell, AKAK2,007235–

2940Coke County, TXTX3,412235–

2941Oldham County, TXTX1,783234–

2942Sheridan County, KSKS2,427234–

2943Glascock County, GAGA3,141233–

2944Deuel County, NENE1,862230–

2945Sherman County, OROR2,051230–

2946Pendleton County, WVWV5,826230–

2947Traverse County, MNMN3,130229–

2948Marshall County, SDSD4,426229–

2949Armstrong County, TXTX1,843229–

2950Costilla County, COCO3,679228–

2951Jefferson County, MSMS6,825227–

2952Yukon-Koyukuk Census Area, AKAK5,028225–

2953Dewey County, SDSD5,419225–

2954Clark County, KSKS1,900224–

2955Mahnomen County, MNMN5,153223–

2956Hall County, TXTX2,737223–

2957Robertson County, KYKY2,325222–

2958Stanley County, SDSD3,018222–

2959Worth County, MOMO1,914219–

2960Jerauld County, SDSD1,654219–

2961Gosper County, NENE1,803217–

2962Lowndes County, ALAL9,359212–

2963Lee County, ARAR8,029212–

2964Eddy County, NDND2,329212–

2965Kidder County, NDND2,393212–

2966Skagway, AKAK1,104211–

2967Miner County, SDSD2,281211–

2968Terrell County, TXTX702211–

2969Madison Parish, LALA8,844210–

2970Scotland County, MOMO4,796208–

2971Cheyenne County, KSKS2,604207–

2972Taylor County, GAGA7,818206–

2973Rock County, NENE1,259205–

2974Kiowa County, COCO1,412204–

2975Tyrrell County, NCNC3,537202–

2976McPherson County, SDSD2,347202–

2977East Carroll Parish, LALA6,760201–

2978Edwards County, KSKS2,640200–

2979Deuel County, SDSD4,408199–

2980Golden Valley County, NDND1,808199–

2981Garza County, TXTX4,510198–

2982Corson County, SDSD3,781196–

2983Oneida County, IDID5,085196–

2984Calhoun County, GAGA5,413194–

2985Todd County, SDSD8,863193–

2986Wichita County, KSKS2,031193–

2987Parmer County, TXTX9,678192–

2988Camas County, IDID1,316192–

2989Comanche County, KSKS1,673192–

2990Divide County, NDND2,110191–

2991Ziebach County, SDSD2,389191–

2992St. James Parish, LALA18,938189–

2993Griggs County, NDND2,239188–

2994Harlan County, NENE3,000188–

2995Hettinger County, NDND2,492186–

2996Floyd County, TXTX4,881185–

2997Greene County, ALAL7,067184–

2998Schleicher County, TXTX2,245184–

2999Prairie County, MTMT1,112183–

3000Alpine County, CACA1,043182–

SHOWING 2,501–3,000 OF 3,144

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UPDATED 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES