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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 2024 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV.

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RANKPLACESTATEPOPIRISH POPULATIONVS 2010
2501Franklin County, IAIA9,868712−35%
2502Clay County, MSMS18,238709−54%
2503Chippewa County, MNMN12,406708−43%
2504Lyon County, IAIA12,354705−26%
2505Mitchell County, KSKS5,590703−12%
2506Rosebud County, MTMT8,253702+17%
2507Scott County, ILIL4,866702−19%
2508Lyon County, KYKY9,123700−45%
2509Nevada County, ARAR7,942694−15%
2510Anson County, NCNC21,758691−53%
2511Conecuh County, ALAL10,899690−13%
2512Jefferson County, NENE7,070690−10%
2513Union County, ININ6,863690−42%
2514Toole County, MTMT5,211690−24%
2515Gates County, NCNC10,234687−9%
2517Tillman County, OKOK6,780682−47%
2518Saguache County, COCO6,732682−12%
2519Charlotte County, VAVA11,401679−16%
2520Todd County, KYKY12,972679−52%
2521Calhoun County, ARAR4,632678−13%
2522Kingman County, KSKS7,029676−31%
2523Franklin County, IDID15,889674+67%
2524Washakie County, WYWY7,597671−31%
2525Northampton County, VAVA11,879670−23%
2526Tucker County, WVWV6,540670−40%
2527Stark County, ILIL5,319670−29%
2528Big Stone County, MNMN5,054668+12%
2529Jack County, TXTX9,563667−29%
2530Martinsville, VAVA13,849664−35%
2531Boone County, NENE5,355663−32%
2532Cumberland County, KYKY5,992663+49%
2533Adams County, IDID5,013660+14%
2534Moore County, TXTX21,891659−60%
2535Johnson County, GAGA9,310659−25%
2536Choctaw County, ALAL11,904658−33%
2537Carroll County, KYKY11,141656−59%
2538Wallowa County, OROR7,595654−35%
2539Bon Homme County, SDSD7,244654+18%
2540Kearney County, NENE6,790652−25%
2541Monroe County, ALAL18,965650−63%
2542Frio County, TXTX18,823649+56%
2543Phillips County, ARAR14,255648−54%
2544Iron County, WIWI6,127648+10%
2545Baraga County, MIMI8,169646−13%
2546Kit Carson County, COCO7,069645−15%
2547Hertford County, NCNC19,015644−37%
2548Harrison County, MOMO8,281642−57%
2549Murray County, MNMN7,942641−12%
2550Washington County, KSKS5,533641+68%
2551Jefferson Davis County, MSMS10,941640−6%
2552Valley County, MTMT7,385640−30%
2553Lamb County, TXTX12,579638−27%
2554Gaines County, TXTX23,956638−44%
2555Mathews County, VAVA8,529637−60%
2556Daviess County, MOMO8,558635−31%
2557Jefferson County, OKOK5,431635−12%
2558Charlton County, GAGA13,121635−17%
2559Phillips County, MTMT4,203633+12%
2560Conejos County, COCO7,529632+10%
2561Cook County, MNMN5,522628+9%
2562Worth County, IAIA7,338627−33%
2563Kodiak Island, AKAK12,387626−46%
2564Charles Mix County, SDSD9,303626+34%
2565Dawson County, TXTX11,776624−18%
2566Covington, VAVA5,680623−8%
2567Cameron County, PAPA4,211622−17%
2568Ontonagon County, MIMI5,823621−17%
2569Pembina County, NDND6,568621−22%
2570Marlboro County, SCSC25,488621−51%
2571Tallahatchie County, MSMS10,877620−44%
2572Jasper County, MSMS15,785618−49%
2573Barnwell County, SCSC20,653618−43%
2574Mason County, TXTX3,990618+12%
2575Watonwan County, MNMN11,459617−33%
2576McCulloch County, TXTX7,472612+18%
2577Sussex County, VAVA10,755611+7%
2578San Saba County, TXTX5,787610−38%
2579Treutlen County, GAGA6,466610+9%
2580Montgomery County, GAGA8,635609+13%
2581Trousdale County, TNTN12,623608−38%
2582Dillon County, SCSC27,458607−65%
2583Essex County, VAVA10,654607−41%
2584Norton County, KSKS5,288606−33%
2585Power County, IDID8,246603+74%
2586Lincoln County, GAGA8,112601+59%
2587Shelby County, MOMO5,870600−33%
2588Morgan County, UTUT13,383599+55%
2589White Pine County, NVNV8,661598−41%
2590Crisp County, GAGA19,237597−73%
2591San Juan County, UTUT14,542597−12%
2592Yellow Medicine County, MNMN9,477596−16%
2594Rooks County, KSKS4,646595−29%
2595Hutchinson County, SDSD7,413592+16%
2596Delta County, TXTX5,549591−39%
2597Ottawa County, KSKS5,744590+1%
2598Buchanan County, VAVA18,492589−74%
2599Morris County, KSKS5,348589−18%
2600Musselshell County, MTMT5,582588−16%
2601Cleveland County, ARAR7,224586−60%
2602Cuming County, NENE8,823585−9%
2603Casey County, KYKY16,205585−53%
2604Mineral County, MTMT5,185583−18%
2605Clinton County, KYKY9,139582−15%
2606Monroe County, ARAR6,244580−48%
2607Carter County, MOMO5,418579−33%
2608Grant County, OROR7,075579−38%
2609Clay County, NENE6,170578−20%
2610Nottoway County, VAVA15,796578−28%
2611Rock County, MNMN9,524575−5%
2612Lewis County, IDID3,704574−8%
2613St. Helena Parish, LALA10,758573−46%
2614Wayne County, MSMS19,807572−69%
2615Jenkins County, GAGA8,843570−8%
2616Grant County, SDSD7,534569−13%
2617Brunswick County, VAVA15,727569−36%
2618Jefferson County, GAGA15,011567−16%
2619Taylor County, IAIA5,835564−44%
2620Fillmore County, NENE5,458564−16%
2621Russell County, KSKS6,581564−48%
2622Nemaha County, NENE7,102563−48%
2623Cedar County, NENE8,373562−30%
2624Jones County, NCNC9,575562−61%
2625Beaver County, OKOK4,882562−22%
2626Richmond County, VAVA9,294559−34%
2627Washington County, COCO4,732559−12%
2628Pulaski County, GAGA10,172558−37%
2629Ben Hill County, GAGA17,099558−62%
2630Brown County, ILIL6,401558−36%
2631Seward County, KSKS21,073558−57%
2632Cottonwood County, MNMN11,405557−30%
2633Newton County, TXTX11,954555−74%
2634Crenshaw County, ALAL13,175554−54%
2635Pawnee County, KSKS5,991554−39%
2636Pope County, ILIL3,672549−35%
2637Ouray County, COCO5,265547−46%
2638Pickett County, TNTN5,219546+9%
2639Prowers County, COCO11,884541−63%
2640Wilkes County, GAGA9,540541+11%
2641Lincoln County, COCO5,645540−16%
2642Pondera County, MTMT6,072539−33%
2643King and Queen County, VAVA6,743539+7%
2644Cherry County, NENE5,561539−39%
2645Hancock County, GAGA8,682538+259%
2646Thayer County, NENE4,842535+6%
2647Shackelford County, TXTX3,197535+52%
2648Harper County, KSKS5,370534−20%
2649Dewey County, OKOK4,207532−26%
2650Kimble County, TXTX4,438530+24%
2651Socorro County, NMNM15,838529−40%
2652Livingston County, KYKY8,863527−55%
2653Pepin County, WIWI7,513526−28%
2654Hancock County, TNTN7,075524−5%
2655Adams County, IAIA3,617519−21%
2656Walsh County, NDND10,179518−51%
2657Quay County, NMNM8,454515−42%
2658Sherman County, KSKS5,763512+9%
2659Wilkin County, MNMN6,288511−4%
2660Bleckley County, GAGA12,866509−37%
2661Chariton County, MOMO7,377507−48%
2662Juab County, UTUT13,567506+5%
2663Kingsbury County, SDSD5,284504+1%
2664Northampton County, NCNC16,491503−58%
2665Alfalfa County, OKOK5,649501−29%
2666Archer County, TXTX9,129501−63%
2667Carson County, TXTX5,805500−50%
2668Mercer County, NDND8,441498−3%
2669Edwards County, ILIL5,898496−12%
2670Ellis County, OKOK3,613495−30%
2671Tripp County, SDSD5,708495−20%
2672Storey County, NVNV4,260494−39%
2673Bradley County, ARAR9,828490−48%
2674Childress County, TXTX6,643490−34%
2675Republic County, KSKS4,640490−17%
2676Grant County, OKOK4,067488−42%
2677Terry County, TXTX11,720487−22%
2678Beaver County, UTUT7,301487−29%
2679Atkinson County, GAGA8,454485−64%
2680Galax, VAVA6,670484−27%
2681Benton County, MSMS7,502483−54%
2682Traill County, NDND7,920483+0%
2683Big Horn County, MTMT12,752481−22%
2684Roger Mills County, OKOK3,259481−38%
2685Florence County, WIWI4,748481−12%
2686Ringgold County, IAIA4,642478−47%
2687Willacy County, TXTX19,971478+45%
2688Kemper County, MSMS8,600475−41%
2689Irwin County, GAGA9,020474−47%
2690Chautauqua County, KSKS3,321474−7%
2691Franklin County, MSMS7,491472−52%
2692Furnas County, NENE4,524472−36%
2693Evans County, GAGA11,028471−63%
2694Quitman County, MSMS5,364469−33%
2695Mills County, TXTX4,580469−26%
2696Wilkinson County, GAGA8,650468+5%
2697Smith County, KSKS3,566468+10%
2698Custer County, IDID4,636467−44%
2699Holt County, MOMO4,200464−27%
2700Webster County, NENE3,336463+17%
2701Donley County, TXTX3,213463−4%
2702Pulaski County, ILIL4,820461+9%
2703Lee County, SCSC15,730457−2%
2704Montgomery County, MSMS9,354455−60%
2705Woodruff County, ARAR5,710454−50%
2706Bath County, VAVA4,076454+23%
2707Turner County, GAGA8,983453−18%
2708Hartley County, TXTX4,904451−53%
2709Columbia County, WAWA4,141450−7%
2710Hardin County, ILIL3,588449−61%
2711Polk County, NENE5,270447−28%
2712Audubon County, IAIA5,509447−31%
2713Calhoun County, SCSC14,188446−65%
2714Marshall County, MNMN8,798444−36%
2715Woodson County, KSKS3,118440−32%
2716Valley County, NENE4,094439−34%
2717Union County, NMNM3,844438−4%
2718Ward County, TXTX11,125438−45%
2719Refugio County, TXTX6,657437−55%
2720Pecos County, TXTX14,560436−42%
2721Walworth County, SDSD5,217435+48%
2722Haskell County, TXTX5,499435−50%
2723Greeley County, NENE2,154435−46%
2724Barber County, KSKS4,083435−20%
2725Menifee County, KYKY6,430435−61%
2726Assumption Parish, LALA19,720430−21%
2727Red River Parish, LALA7,165429−66%
2728Roberts County, SDSD10,255429−32%
2729McLean County, NDND9,740426−26%
2730Bertie County, NCNC17,086425−51%
2731McHenry County, NDND5,130425+67%
2732Macon County, ALAL18,132422−13%
2733Chouteau County, MTMT5,865422−44%
2734Edmunds County, SDSD4,022422+189%
2735Buena Vista, VAVA6,672422−48%
2736Stanton County, NENE5,744421−13%
2737Phillips County, KSKS4,728421−41%
2738Clearwater County, MNMN8,647419−25%
2739Rush County, KSKS2,845419−16%
2740Brule County, SDSD5,278418−31%
2741Huerfano County, COCO7,011418−53%
2742Hickman County, KYKY4,372416−32%
2743Wheeler County, TXTX4,773416−43%
2744Granite County, MTMT3,658413−33%
2745Pipestone County, MNMN9,260412−46%
2746Sheridan County, MTMT3,436410+1%
2747Goliad County, TXTX7,208410−31%
2748Marion County, GAGA7,676410−55%
2749Grant County, MNMN6,085409−25%
2750Hyde County, NCNC4,554409−32%
2751Stafford County, KSKS4,005409−24%
2752Roosevelt County, MTMT10,242405−35%
2753Grant County, KSKS7,028405−47%
2754Claiborne Parish, LALA13,354403−73%
2755Craig County, VAVA4,800403−48%
2756Lander County, NVNV5,872400−41%
2757Martin County, TXTX5,284400−42%
2758Lafayette County, FLFL8,792400−58%
2759Chase County, NENE3,718399−46%
2760Dooly County, GAGA11,156397−21%
2761Pershing County, NVNV6,421397−65%
2762Butler County, NENE8,507395−54%
2763Charles City County, VAVA6,623395−16%
2764Bent County, COCO5,716394−33%
2765Carroll County, MSMS9,226393−26%
2766Lynn County, TXTX6,017393−7%
2767Dickey County, NDND4,895392−35%
2768Fisher County, TXTX3,692389−1%
2769Nance County, NENE3,290389−32%
2770Sullivan County, MOMO5,738388−56%
2771Telfair County, GAGA11,195387+47%
2772Osborne County, KSKS3,285386−21%
2773Deaf Smith County, TXTX18,626385−67%
2774Wahkiakum County, WAWA4,873384+42%
2775Lincoln County, MNMN5,583381−33%
2776Miller County, GAGA5,812381+21%
2777Lunenburg County, VAVA12,058380−59%
2778Kimball County, NENE3,391379−34%
2779Bottineau County, NDND6,284378−23%
2780Moody County, SDSD6,632378−35%
2781Sumter County, ALAL11,588377−28%
2782Meade County, KSKS3,852377−48%
2783Morrill County, NENE4,404377−56%
2784Emery County, UTUT10,177377−65%
2785Mineral County, NVNV4,407376−43%
2786Sheridan County, NENE4,809375−46%
2787Calhoun County, ILIL4,300375−41%
2788Baylor County, TXTX3,472374−20%
2789Lincoln County, NVNV4,320373−40%
2790Greensville County, VAVA11,181373+66%
2791Greenlee County, AZAZ9,312372−58%
2792Catahoula Parish, LALA8,223372−79%
2793Baca County, COCO3,347371−23%
2794Caribou County, IDID7,252371+8%
2795Cavalier County, NDND3,497370+58%
2796Dallas County, ARAR6,011368−48%
2797Macon County, GAGA11,756363−43%
2798Maverick County, TXTX58,823363+18%
2799Gregory County, SDSD4,037362−26%
2800Swisher County, TXTX6,703361−50%
2801Dallam County, TXTX7,508360−58%
2802Scott County, KSKS4,815358−46%
2803Ransom County, NDND5,617356−30%
2804Sweet Grass County, MTMT3,762356−25%
2805Johnson County, NENE5,218354−45%
2806Putnam County, MOMO4,546353−43%
2807Real County, TXTX2,745353−38%
2808Norton, VAVA3,477349−40%
2809Pawnee County, NENE2,510348−21%
2810Haakon County, SDSD1,802348−5%
2811Crowley County, COCO5,677348−27%
2812Lafayette County, ARAR5,888347−59%
2813Wolfe County, KYKY6,298346−58%
2814Wilcox County, ALAL9,666344−6%
2815Frontier County, NENE2,655344−7%
2816Osceola County, IAIA5,980344−31%
2817Lac qui Parle County, MNMN6,704343−20%
2818Gray County, KSKS5,652343+7%
2819Norman County, MNMN6,336339−15%
2820Wheatland County, MTMT2,100339+40%
2821Nuckolls County, NENE4,100339−35%
2822Alexander County, ILIL4,570339−41%
2823Warren County, GAGA5,269335+57%
2824Meagher County, MTMT2,137335+21%
2825Hamlin County, SDSD6,900334−5%
2826Elk County, KSKS2,458333−16%
2827Gove County, KSKS2,631333+60%
2828Catron County, NMNM3,827332−7%
2829Bear Lake County, IDID6,727332+26%
2830Sierra County, CACA3,098329−23%
2831Twiggs County, GAGA7,597328−27%
2832Perkins County, SDSD2,853327+26%
2833Schuyler County, MOMO4,140323−46%
2834Hidalgo County, NMNM3,929319+7%
2835Winkler County, TXTX7,540319−39%
2836Judith Basin County, MTMT2,162318+0%
2837Holmes County, MSMS15,465317−43%
2838Gilliam County, OROR1,971317+18%
2839Niobrara County, WYWY2,341309−28%
2840Lincoln County, KSKS2,861309−41%
2841Carlisle County, KYKY4,747309−49%
2842Lake of the Woods County, MNMN3,770308−8%
2843Jewell County, KSKS2,830308−29%
2844Ochiltree County, TXTX9,284307−70%
2845Hemphill County, TXTX3,083304−31%
2846Hardeman County, TXTX3,292304−47%
2847Talbot County, GAGA5,709301−58%
2848Sherman County, NENE2,924300−36%
2849Phillips County, COCO4,420300−42%
2850Knox County, MOMO3,728299−59%
2851Franklin County, NENE2,795299−2%
2852Mercer County, MOMO3,404298−54%
2853Brown County, NENE2,826296−29%
2854Lyman County, SDSD3,694296−14%
2855Surry County, VAVA6,603295−34%
2856Noxubee County, MSMS9,798294−53%
2857Early County, GAGA10,455293−58%
2858Yoakum County, TXTX7,438292−42%
2859Petersburg, AKAK3,394290−32%
2860Hand County, SDSD3,121290−44%
2861Lincoln County, IDID5,603290−16%
2862Blaine County, MTMT6,860289−32%
2863Garfield County, NENE1,710289−13%
2864La Salle County, TXTX6,517289+22%
2865Garfield County, UTUT5,256289−42%
2866Clinch County, GAGA6,847288−47%
2867Red Lake County, MNMN3,940286−4%
2868Humphreys County, MSMS7,001286−32%
2869Harper County, OKOK3,172286−44%
2870Sanborn County, SDSD2,388286−1%
2871Bethel Census Area, AKAK18,391285−50%
2872Clark County, SDSD4,031285−21%
2873Dolores County, COCO2,466285−30%
2874Tunica County, MSMS8,819284−51%
2875Wirt County, WVWV4,879284−60%
2876Tensas Parish, LALA3,700283−13%
2877Nome Census Area, AKAK9,830282−36%
2878North Slope, AKAK10,582282+52%
2879Petersburg, VAVA33,734282−55%
2880Allendale County, SCSC7,355281+19%
2881Mountrail County, NDND9,395280−41%
2882Owsley County, KYKY3,932280−53%
2883Terrell County, GAGA8,656278−43%
2884Stevens County, KSKS4,984278−6%
2885Faulk County, SDSD2,178276+21%
2886Morton County, KSKS2,470276−46%
2887Concho County, TXTX3,607275+199%
2888Dundy County, NENE1,568273−5%
2889Garden County, NENE1,804272−29%
2890Mora County, NMNM4,051272+31%
2891Bamberg County, SCSC12,796272−39%
2892Franklin, VAVA8,478272−24%
2893Desha County, ARAR9,984271−65%
2894Kiowa County, KSKS2,432271−0%
2895Fulton County, KYKY6,218271−58%
2896Wilkinson County, MSMS7,582269−70%
2897Hanson County, SDSD3,456269−27%
2898Wilcox County, GAGA8,797269−71%
2899Hitchcock County, NENE2,467268−48%
2900Sterling County, TXTX1,349268+114%
2901Garfield County, WAWA2,416267−40%
2902LaMoure County, NDND4,135265+27%
2903Eureka County, NVNV1,867265+35%
2904Thurston County, NENE6,752264−42%
2905Crosby County, TXTX4,852264−30%
2906Knox County, TXTX3,192263−42%
2907Chase County, KSKS2,572263−42%
2908Washington County, NCNC10,638262−60%
2909Edwards County, TXTX1,370262+120%
2910Pierce County, NDND3,838260+8%
2911Graham County, KSKS2,371260−12%
2912Collingsworth County, TXTX2,487259−34%
2913Chicot County, ARAR9,107257−78%
2914Logan County, KSKS2,661257−24%
2915Fallon County, MTMT2,959256−63%
2916Highland County, VAVA2,318256−20%
2917Throckmorton County, TXTX1,554255−20%
2918Dunn County, NDND4,058255+29%
2919Echols County, GAGA3,685255−26%
2920Hansford County, TXTX4,944252−59%
2921Day County, SDSD5,484251−50%
2922Jackson County, SDSD2,666250−32%
2924Boyd County, NENE1,674248−31%
2925Ness County, KSKS2,617248+7%
2926Decatur County, KSKS2,716246−56%
2927Trego County, KSKS2,740246−48%
2928Foster County, NDND3,212245−28%
2929Perkins County, NENE2,849243−51%
2930Hudspeth County, TXTX3,433241+308%
2931Cheyenne County, COCO1,713241−28%
2932Wells County, NDND3,729240−17%
2933Sedgwick County, COCO2,247239+22%
2934Liberty County, MTMT1,957238−27%
2935Rawlins County, KSKS2,431238−24%
2936Perry County, ALAL7,425237−27%
2938Wheeler County, OROR1,472236−18%
2939Wrangell, AKAK2,007235−43%
2940Coke County, TXTX3,412235−46%
2941Oldham County, TXTX1,783234−39%
2942Sheridan County, KSKS2,427234−23%
2943Glascock County, GAGA3,141233+27%
2944Deuel County, NENE1,862230−22%
2945Sherman County, OROR2,051230−3%
2946Pendleton County, WVWV5,826230−59%
2947Traverse County, MNMN3,130229−35%
2948Marshall County, SDSD4,426229−15%
2949Armstrong County, TXTX1,843229−44%
2950Costilla County, COCO3,679228+15%
2951Jefferson County, MSMS6,825227+47%
2953Dewey County, SDSD5,419225−35%
2954Clark County, KSKS1,900224−52%
2955Mahnomen County, MNMN5,153223−24%
2956Hall County, TXTX2,737223−31%
2957Robertson County, KYKY2,325222−41%
2958Stanley County, SDSD3,018222−39%
2959Worth County, MOMO1,914219+0%
2960Jerauld County, SDSD1,654219+58%
2961Gosper County, NENE1,803217+22%
2962Lowndes County, ALAL9,359212−18%
2963Lee County, ARAR8,029212−64%
2964Eddy County, NDND2,329212−7%
2965Kidder County, NDND2,393212+77%
2966Skagway, AKAK1,104211−29%
2967Miner County, SDSD2,281211−30%
2968Terrell County, TXTX702211+61%
2969Madison Parish, LALA8,844210−56%
2970Scotland County, MOMO4,796208−56%
2971Cheyenne County, KSKS2,604207−50%
2972Taylor County, GAGA7,818206−72%
2973Rock County, NENE1,259205+0%
2974Kiowa County, COCO1,412204+39%
2975Tyrrell County, NCNC3,537202−50%
2976McPherson County, SDSD2,347202+84%
2977East Carroll Parish, LALA6,760201−3%
2978Edwards County, KSKS2,640200−42%
2979Deuel County, SDSD4,408199−43%
2980Golden Valley County, NDND1,808199+63%
2981Garza County, TXTX4,510198−46%
2982Corson County, SDSD3,781196+20%
2983Oneida County, IDID5,085196+7%
2984Calhoun County, GAGA5,413194−52%
2985Todd County, SDSD8,863193+18%
2986Wichita County, KSKS2,031193+51%
2987Parmer County, TXTX9,678192−80%
2988Camas County, IDID1,316192+79%
2989Comanche County, KSKS1,673192−52%
2990Divide County, NDND2,110191+9%
2991Ziebach County, SDSD2,389191+1%
2992St. James Parish, LALA18,938189−58%
2993Griggs County, NDND2,239188+62%
2994Harlan County, NENE3,000188−55%
2995Hettinger County, NDND2,492186+38%
2996Floyd County, TXTX4,881185−46%
2997Greene County, ALAL7,067184−56%
2998Schleicher County, TXTX2,245184−51%
2999Prairie County, MTMT1,112183+43%
3000Alpine County, CACA1,043182+6%
SHOWING 2,501–3,000 OF 3,144

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