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RANKING · 2020 CENSUS · 500 SHOWN OF 3,101

Largest Scotch-Irish population, US counties · 2020

US counties ranked by the number of residents who are Scotch-Irish ancestry, from the 2020 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV.

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YEAR201020202024
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RANKPLACESTATEPOPSCOTCH-IRISH POPULATIONVS 2010
2501Marshall County, ILIL11,47366−58%
2502Richmond County, VAVA9,29466−63%
2503Schleicher County, TXTX2,24566+83%
2504Presque Isle County, MIMI13,12866−69%
2505Martin County, KYKY10,69766−89%
2506Juab County, UTUT13,56765+76%
2507Houston County, MNMN18,40065−57%
2508Norton, VAVA3,47765−45%
2509Dakota County, NENE21,68765−62%
2510Green Lake County, WIWI19,30565−62%
2511St. Helena Parish, LALA10,75865−20%
2512Howard County, IAIA9,41565−19%
2513Craig County, OKOK14,51865−84%
2514Clay County, GAGA2,81565+713%
2515Power County, IDID8,24665+41%
2516Pawnee County, KSKS5,99165−3%
2517Dodge County, MNMN21,37664−59%
2518Chariton County, MOMO7,37764−6%
2519Jeff Davis County, TXTX1,71164−22%
2520Refugio County, TXTX6,65764−47%
2521Davis County, IAIA9,23064−4%
2522Stutsman County, NDND21,41464−66%
2523Cloud County, KSKS8,83364−60%
2524Morgan County, KYKY14,41563−85%
2525Trousdale County, TNTN12,62363−69%
2526Osage County, MOMO13,61163−51%
2527Shelby County, MOMO5,87063−45%
2528Carson County, TXTX5,80563−75%
2529Audubon County, IAIA5,50963−15%
2530Cedar County, IAIA18,35963−70%
2531Fisher County, TXTX3,69263+91%
2532Richland County, NDND16,73163−38%
2533Walsh County, NDND10,17963−68%
2534Holt County, MOMO4,20062−55%
2535Owyhee County, IDID12,66162−49%
2536Floyd County, TXTX4,88162−19%
2537Jasper County, ILIL9,03262−67%
2538Martin County, ININ9,85662−55%
2539Alger County, MIMI8,64162−57%
2540Reeves County, TXTX12,13862−66%
2541Elk County, KSKS2,45862+27%
2542Maries County, MOMO8,39761−63%
2543Clearwater County, MNMN8,64761−24%
2544Ben Hill County, GAGA17,09961−86%
2545Coke County, TXTX3,41261+20%
2546Schoolcraft County, MIMI8,18761−59%
2547Houston County, TNTN8,47961−86%
2548Liberty County, FLFL8,03560−14%
2549Morrill County, NENE4,40460−53%
2550Jefferson Davis Parish, LALA31,47160−64%
2551Putnam County, MOMO4,54660−58%
2552Carter County, MTMT1,38360+58%
2553Lincoln County, GAGA8,11260−69%
2554Red River Parish, LALA7,16560−41%
2555Knox County, TXTX3,19260−17%
2556Early County, GAGA10,45560−39%
2557Hamlin County, SDSD6,90060+445%
2558Greensville County, VAVA11,18159−27%
2559Columbia County, WAWA4,14159−45%
2560Merrick County, NENE7,90559−22%
2561Irwin County, GAGA9,02059−47%
2562Montgomery County, GAGA8,63559−60%
2563Franklin County, IDID15,88959−67%
2564Calhoun County, IAIA9,56259−51%
2565Lewis County, IDID3,70459−42%
2566Mountrail County, NDND9,39559+18%
2567Stafford County, KSKS4,00559−42%
2568Moore County, TNTN6,92058−75%
2569Charles City County, VAVA6,62358−75%
2570Sierra County, CACA3,09858−66%
2571White Pine County, NVNV8,66158−52%
2572Pecos County, TXTX14,56058−59%
2573Adair County, IAIA7,40358−49%
2574Traill County, NDND7,92058−25%
2575Mackinac County, MIMI11,23658−80%
2576Kiowa County, KSKS2,43258+7%
2577Rush County, KSKS2,84558+66%
2578Bennett County, SDSD3,30758+1350%
2579Edmonson County, KYKY12,74958−65%
2581Pierce County, NENE7,37857+119%
2582Donley County, TXTX3,21357−47%
2583Kiowa County, OKOK8,18157−78%
2584Edwards County, ILIL5,89857−65%
2585Mason County, TXTX3,99057−50%
2586Grand Isle County, VTVT7,51157−68%
2587Harper County, KSKS5,37057−59%
2588Jackson County, MNMN9,85757−28%
2589Lewis County, MOMO9,87956−71%
2590Johnson County, NENE5,21856−2%
2591Brooks County, GAGA16,10156−84%
2592Gaines County, TXTX23,95656−66%
2593Hardy County, WVWV14,33755−67%
2594Knox County, NENE8,33555−11%
2595Meriwether County, GAGA21,51655−91%
2596Allamakee County, IAIA14,23855−43%
2597Lucas County, IAIA8,84755−81%
2598Quay County, NMNM8,45455−78%
2599Union County, SDSD17,40255−67%
2600Harrison County, MOMO8,28154−53%
2601Huerfano County, COCO7,01154−84%
2602Clark County, SDSD4,03154+32%
2603Kingsbury County, SDSD5,28454−31%
2604Mineral County, NVNV4,40753−55%
2605Love County, OKOK10,78053−42%
2606Martin County, TXTX5,28453+71%
2607Pickett County, TNTN5,21952+6%
2608Mono County, CACA12,50552−89%
2609Sac County, IAIA9,52552−77%
2610Bent County, COCO5,71652−21%
2611Deer Lodge County, MTMT9,70952−84%
2612Montgomery County, MSMS9,35452−65%
2613Lake County, MNMN10,74652−70%
2614Clay County, NENE6,17051−26%
2615Dixon County, NENE5,60251−63%
2616Carroll County, MOMO8,41751−63%
2617Covington, VAVA5,68051−83%
2618Rio Grande County, COCO11,08751−84%
2619Nuckolls County, NENE4,10051−61%
2620Lincoln County, IDID5,60351−53%
2621Hancock County, GAGA8,68251+28%
2622Willacy County, TXTX19,97151−46%
2623Nobles County, MNMN22,33851−33%
2624Lyon County, MNMN25,68450−80%
2625Sitka, AKAK8,31950−75%
2626Kit Carson County, COCO7,06950−78%
2627Saline County, NENE14,99650−77%
2628Jim Wells County, TXTX38,80450−80%
2629Forest County, WIWI9,57449−40%
2630Trempealeau County, WIWI31,17149−80%
2631Childress County, TXTX6,64349−56%
2632McKinley County, NMNM68,11949−67%
2633Doniphan County, KSKS7,59449−65%
2634Cavalier County, NDND3,49749+53%
2635Cheyenne County, KSKS2,60449−74%
2636Brown County, NENE2,82648+23%
2637Martin County, MNMN19,44048−59%
2638Little River County, ARAR11,76348−76%
2639Surry County, VAVA6,60348−82%
2640Taylor County, WIWI20,11848−71%
2641Prairie County, MTMT1,11248−6%
2642Wilkinson County, GAGA8,65048+33%
2643Kimble County, TXTX4,43848−37%
2644Gallatin County, ILIL4,61648−41%
2645Sullivan County, MOMO5,73847−68%
2646Polk County, NENE5,27047−61%
2647Stanton County, NENE5,74447+104%
2648Concho County, TXTX3,60747+7%
2649Broadwater County, MTMT8,49347−59%
2650Union County, NMNM3,84447+12%
2651Lane County, KSKS1,50847+34%
2652Perkins County, SDSD2,85347+2%
2653Gallatin County, KYKY8,84047−84%
2654Daggett County, UTUT93446+84%
2655Sumter County, ALAL11,58846+10%
2656Calhoun County, ARAR4,63246−82%
2657Furnas County, NENE4,52446−48%
2658Lafayette County, WIWI17,47846−77%
2659Cotton County, OKOK5,43246−76%
2660Perry County, ININ19,38946−77%
2661Wilkes County, GAGA9,54046−73%
2662Quitman County, MSMS5,36446−67%
2663Hancock County, TNTN7,07546−68%
2664Fremont County, IAIA6,52245−75%
2665Pocahontas County, IAIA6,81945−30%
2666Bethel Census Area, AKAK18,39145−55%
2667Carroll County, IAIA20,30345−80%
2668Custer County, SDSD9,43145−75%
2669Greenwood County, KSKS5,82645−61%
2670Garden County, NENE1,80444−44%
2671Gentry County, MOMO6,38444−51%
2672Cedar County, NENE8,37344+33%
2673Phillips County, MTMT4,20344−61%
2674Marion County, GAGA7,67644−68%
2675Pope County, ILIL3,67244−72%
2676Sherman County, TXTX2,78144+42%
2677Manassas Park, VAVA16,56044−73%
2678Beaverhead County, MTMT10,04344−72%
2679Bolivar County, MSMS28,26244−90%
2680Jefferson County, OKOK5,43144−37%
2681Le Sueur County, MNMN29,45343−75%
2682Conejos County, COCO7,52943−76%
2683Richland County, MTMT11,37743−78%
2684Major County, OKOK7,53643−63%
2685Johnson County, ILIL13,36343−88%
2686Richland County, ILIL15,21943−83%
2687Wilbarger County, TXTX12,48143−85%
2688Cass County, ILIL12,46343−78%
2689Buena Vista County, IAIA20,44943−79%
2690Sullivan County, PAPA5,85643−71%
2691Holmes County, MSMS15,46543−43%
2692Republic County, KSKS4,64043−53%
2693Gove County, KSKS2,63143−60%
2694Meeker County, MNMN23,60343−65%
2695Macon County, ALAL18,13242−77%
2696Shackelford County, TXTX3,19742+50%
2697Osceola County, IAIA5,98042−18%
2698Humphreys County, MSMS7,00142−39%
2699Grant County, OKOK4,06742−45%
2700Roger Mills County, OKOK3,25942−28%
2701Ballard County, KYKY7,59442−83%
2702Tensas Parish, LALA3,70041+3%
2703Antelope County, NENE6,35241−51%
2704Collingsworth County, TXTX2,48741+37%
2705Calhoun County, MSMS12,64341−87%
2706Latimer County, OKOK9,64541−53%
2707Taylor County, IAIA5,83541−72%
2708Lincoln County, ARAR12,76440−37%
2709Northwest Arctic, AKAK7,09540+25%
2710Buffalo County, WIWI13,31840−48%
2711Roosevelt County, MTMT10,24240−30%
2712Sweet Grass County, MTMT3,76240−32%
2713Morris County, TXTX12,13340−91%
2714Chicot County, ARAR9,10740−55%
2715Andrews County, TXTX18,91440−72%
2716Jasper County, MSMS15,78540−90%
2717Barnes County, NDND10,57340−39%
2718Johnson County, GAGA9,31039+5%
2719Shelby County, IAIA11,68939−77%
2720Baraga County, MIMI8,16939−45%
2721Chautauqua County, KSKS3,32139−68%
2722San Miguel County, NMNM26,26039−87%
2723Eureka County, NVNV1,86738+52%
2724Baca County, COCO3,34738−73%
2725Bear Lake County, IDID6,72738−34%
2726Custer County, IDID4,63638−51%
2727Goliad County, TXTX7,20838−64%
2728Emmet County, IAIA9,10738−67%
2729Newton County, ININ14,18838−87%
2730Maverick County, TXTX58,82338−79%
2731Meade County, KSKS3,85238−47%
2732Decatur County, KSKS2,71638−22%
2733Cumberland County, KYKY5,99238+27%
2734Waseca County, MNMN18,68837−69%
2735Wrangell, AKAK2,00737−56%
2736Stewart County, GAGA4,63137−57%
2737Dallas County, ARAR6,01137−72%
2738Pondera County, MTMT6,07237−76%
2739Warren County, GAGA5,26937−31%
2740Osborne County, KSKS3,28537−29%
2741Lake County, SDSD10,99337+95%
2742Washington County, KSKS5,53337−24%
2743Nicholas County, KYKY7,94936−89%
2744Shannon County, MOMO7,28536−41%
2745Edwards County, TXTX1,37036−68%
2746Irion County, TXTX1,46336−14%
2747Sutton County, TXTX3,20336−3%
2748Cherokee County, IAIA11,36936−86%
2749Talbot County, GAGA5,70936−74%
2750Scott County, ILIL4,86636−72%
2751Rolette County, NDND11,68836−22%
2752Mercer County, MOMO3,40435−57%
2753Caribou County, IDID7,25235+94%
2754Jones County, NCNC9,57535−79%
2755Throckmorton County, TXTX1,55435−44%
2756Wheeler County, TXTX4,77335−62%
2757Wheeler County, OROR1,47235−29%
2758Mercer County, NDND8,44135−69%
2759Knox County, MOMO3,72834−51%
2760Banner County, NENE68634+209%
2761Hooker County, NENE68634+113%
2762Jefferson County, NENE7,07034−48%
2763Blaine County, OKOK8,51534−74%
2764Fulton County, KYKY6,21834−56%
2765Renville County, MNMN14,35634−74%
2766Lac qui Parle County, MNMN6,70433−28%
2767Chugach Census Area, AKAK6,55333
2768Calhoun County, WVWV5,97833−77%
2769Monona County, IAIA8,53933−68%
2770Beaver County, OKOK4,88233−52%
2771Greenlee County, AZAZ9,31233−67%
2772Stanley County, SDSD3,01833+74%
2773Boone County, NENE5,35532−43%
2774Marshall County, MNMN8,79832−58%
2775Murray County, MNMN7,94232+28%
2776Nome Census Area, AKAK9,83032+540%
2777Sioux County, NENE1,18832+0%
2778Hutchinson County, SDSD7,41332+23%
2779Phillips County, COCO4,42032−58%
2780Oscoda County, MIMI8,72332−71%
2781Barber County, KSKS4,08332−73%
2782Scotland County, MOMO4,79631−58%
2783Lincoln County, COCO5,64531−84%
2784Nance County, NENE3,29031−37%
2785Wheeler County, GAGA7,57031+55%
2786Humboldt County, IAIA9,40931−74%
2787Kewaunee County, WIWI20,75831−74%
2788Mitchell County, TXTX8,94731−75%
2789Norton County, KSKS5,28831−79%
2790McKenzie County, NDND15,19231−43%
2791Rock County, MNMN9,52430−71%
2792Traverse County, MNMN3,13030+50%
2793Carter County, MOMO5,41830−69%
2794Ohio County, ININ5,99430−58%
2795Jackson County, COCO1,21130+3%
2796Burt County, NENE6,67830−61%
2797Iron County, WIWI6,12730−33%
2798Bon Homme County, SDSD7,24430−46%
2799Franklin, VAVA8,47830−75%
2800Tillman County, OKOK6,78030−83%
2801Chase County, KSKS2,57230−50%
2802Valley County, NENE4,09429+16%
2804Perkins County, NENE2,84929−66%
2805Bailey County, TXTX6,96329−31%
2806Beaver County, UTUT7,30129−60%
2807Hamilton County, ILIL7,85929−50%
2808Hodgeman County, KSKS1,61929+45%
2809Wabaunsee County, KSKS7,01829−76%
2810Pennington County, MNMN13,68628−74%
2811Sibley County, MNMN15,35628−56%
2812Costilla County, COCO3,67928+33%
2813Edwards County, KSKS2,64028−66%
2814Stevens County, MNMN9,74727−88%
2815Wilkin County, MNMN6,28827−67%
2816Wilcox County, GAGA8,79727−76%
2817Pulaski County, ILIL4,82027−78%
2818Lipscomb County, TXTX2,95527−60%
2819Newton County, TXTX11,95427−89%
2820Rooks County, KSKS4,64627−73%
2821Gregory County, SDSD4,03727−44%
2822Morgan County, UTUT13,38326−28%
2823Chase County, NENE3,71826−71%
2824Garfield County, WAWA2,41626−64%
2825Pendleton County, WVWV5,82626−58%
2826Fillmore County, NENE5,45826−68%
2827Weston County, WYWY6,84026−89%
2828Carroll County, ILIL15,41926−87%
2829Harper County, OKOK3,17226−79%
2830Dooly County, GAGA11,15626−73%
2831Dickey County, NDND4,89526−71%
2832LaMoure County, NDND4,13526−10%
2833Worth County, IAIA7,33826−40%
2834Worth County, MOMO1,91425−69%
2835Lafayette County, FLFL8,79225−80%
2836Blackford County, ININ11,73025−86%
2837Dolores County, COCO2,46625−85%
2838Crane County, TXTX4,55425−70%
2839Glascock County, GAGA3,14125+0%
2840Putnam County, ILIL5,61925−72%
2841Clark County, KSKS1,90025−67%
2842Haskell County, KSKS3,59925−39%
2843Hand County, SDSD3,12125−43%
2844Watonwan County, MNMN11,45924−84%
2845Grant County, MNMN6,08524−65%
2846Pope County, MNMN11,42024−59%
2847Niobrara County, WYWY2,34124−78%
2848Crawford County, IAIA16,23724−78%
2849Hall County, TXTX2,73724−38%
2850Griggs County, NDND2,23924−59%
2851McLean County, NDND9,74024−69%
2852Towner County, NDND2,04024+9%
2853Winnebago County, IAIA10,25124−72%
2854Walworth County, SDSD5,21724−62%
2855Clark County, MOMO6,47523−88%
2856Thayer County, NENE4,84223−38%
2857Quitman County, GAGA2,25423−60%
2858Baylor County, TXTX3,47223−32%
2859Harmon County, OKOK2,32723−67%
2860Luce County, MIMI6,33923−81%
2861Granite County, MTMT3,65823−80%
2862Benson County, NDND5,75923−56%
2863Bracken County, KYKY8,51123−81%
2864Hickman County, KYKY4,37223−77%
2865Norman County, MNMN6,33622−59%
2866Bath County, VAVA4,07622−96%
2867Fallon County, MTMT2,95922−85%
2868Cherry County, NENE5,56122−81%
2869Garfield County, NENE1,71022−82%
2870Powder River County, MTMT1,78122−27%
2871Hartley County, TXTX4,90422−73%
2872Stephens County, TXTX9,38022−85%
2873Sterling County, TXTX1,34922+10%
2874Turner County, SDSD9,31422−76%
2875Glasscock County, TXTX1,12822−51%
2876Issaquena County, MSMS1,26322+69%
2877Judith Basin County, MTMT2,16222−73%
2878Eddy County, NDND2,32922+10%
2879Haakon County, SDSD1,80222−24%
2880Morton County, KSKS2,47022−41%
2881Stanton County, KSKS1,98622−12%
2882Trego County, KSKS2,74022−53%
2883Frontier County, NENE2,65521−64%
2886Schley County, GAGA4,59321−59%
2887Butte County, IDID2,78321−83%
2888Pepin County, WIWI7,51321−67%
2889Lynn County, TXTX6,01721−77%
2890Okfuskee County, OKOK11,45121−85%
2891Day County, SDSD5,48421−59%
2892Edmunds County, SDSD4,02221−32%
2893Renville County, NDND2,33121−79%
2894Jewell County, KSKS2,83021−60%
2895Wallace County, KSKS1,44121−73%
2896Garfield County, UTUT5,25620−84%
2897Howard County, NENE6,53820−66%
2898Denali, AKAK1,61620−23%
2899Catahoula Parish, LALA8,22320−77%
2900Jefferson County, GAGA15,01120−74%
2901Armstrong County, TXTX1,84320−58%
2902Delta County, TXTX5,54920−64%
2903Calhoun County, GAGA5,41320−89%
2904Gray County, KSKS5,65220−56%
2905Roseau County, MNMN15,24620−82%
2906Swift County, MNMN9,76319−76%
2907Gilmer County, WVWV7,08519−86%
2908Sedgwick County, COCO2,24719−74%
2909Yuma County, COCO9,89619−94%
2910Toole County, MTMT5,21119−82%
2911Crawford County, GAGA12,20619−84%
2912Benton County, ININ8,88319−88%
2913Reagan County, TXTX3,16619+27%
2914Socorro County, NMNM15,83819−93%
2915Cuming County, NENE8,82318−14%
2916Garfield County, MTMT1,14818−44%
2917Blaine County, NENE45818−42%
2918Chattahoochee County, GAGA8,46518−95%
2919Pawnee County, NENE2,51018−87%
2920Sherman County, NENE2,92418−71%
2921Calhoun County, ILIL4,30018−72%
2922Lee County, ARAR8,02918−58%
2923Aleutians East, AKAK3,47918+157%
2924Mineral County, COCO91018−40%
2925Presidio County, TXTX5,43318−69%
2926Logan County, KSKS2,66118−63%
2927Jones County, SDSD91318−5%
2928Greene County, ALAL7,06717−87%
2929Hale County, ALAL15,19417−92%
2930Cleveland County, ARAR7,22417−90%
2931Bacon County, GAGA11,07017−78%
2932Webster County, NENE3,33617−53%
2933Foard County, TXTX1,04417+55%
2934Adams County, IAIA3,61717−74%
2935Nemaha County, KSKS10,05417−32%
2936Kittson County, MNMN4,03117−74%
2937Lincoln County, MNMN5,58317−47%
2938Cameron Parish, LALA4,71816−64%
2939Blaine County, MTMT6,86016−70%
2940Daniels County, MTMT1,61216+167%
2941Gosper County, NENE1,80316+0%
2942Hamilton County, NYNY5,00616−86%
2943Tyrrell County, NCNC3,53716−59%
2944De Baca County, NMNM1,64716−67%
2945Kidder County, NDND2,39316−16%
2946Ontonagon County, MIMI5,82316−88%
2947Sargent County, NDND3,71116−27%
2948Slope County, NDND62816−11%
2949Ness County, KSKS2,61716−81%
2950Wayne County, UTUT2,58715−42%
2951Wayne County, NENE10,02015−88%
2952Skagway, AKAK1,10415+15%
2953Big Horn County, MTMT12,75215−89%
2954Clark County, IDID78315−21%
2955McCook County, SDSD5,96415−58%
2956Ida County, IAIA6,77715−44%
2957San Juan County, COCO81315−77%
2958Liberty County, MTMT1,95715+0%
2959Delaware County, IAIA17,67415−80%
2960Oliver County, NDND1,89815−17%
2961Roberts County, SDSD10,25515−79%
2962Mahnomen County, MNMN5,15315−62%
2963Treasure County, MTMT72814−50%
2964Thurston County, NENE6,75214−13%
2965Lemhi County, IDID8,47414−93%
2966Duval County, TXTX9,40214−18%
2967Starr County, TXTX66,31914
2968Keweenaw County, MIMI2,18614−26%
2969Gilliam County, OROR1,97114−65%
2970Foster County, NDND3,21214−60%
2971Lincoln County, KSKS2,86114−74%
2972Charles Mix County, SDSD9,30314−78%
2973Woodson County, KSKS3,11814−87%
2974Robertson County, KYKY2,32513+160%
2975Esmeralda County, NVNV72913−35%
2976Garza County, TXTX4,51013−79%
2977Terrell County, TXTX70213−54%
2978Woodruff County, ARAR5,71013−81%
2979Oldham County, TXTX1,78313−88%
2980Comanche County, KSKS1,67313−61%
2981Emmons County, NDND3,21513−58%
2982Pipestone County, MNMN9,26013−91%
2983Kearney County, NENE6,79012−88%
2984Desha County, ARAR9,98412−95%
2985Hyde County, NCNC4,55412−91%
2986Harlan County, NENE3,00012−76%
2987Echols County, GAGA3,68512−68%
2988Bamberg County, SCSC12,79612−94%
2989Hanson County, SDSD3,45612−8%
2990Perry County, ALAL7,42512−94%
2991Rawlins County, KSKS2,43112−66%
2992Lyman County, SDSD3,69412−79%
2993Nelson County, NDND2,96312−74%
2994Carlisle County, KYKY4,74712−76%
2995Big Stone County, MNMN5,05411−59%
2996Hitchcock County, NENE2,46711−88%
2997Assumption Parish, LALA19,72011+57%
2998King County, TXTX19211
2999Twiggs County, GAGA7,59711−76%
3000Wichita County, KSKS2,03111−88%
SHOWING 2,501–3,000 OF 3,101
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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS