RANKING · 2024 ACS · 144 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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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 2010

3001Aurora County, SDSD2,801181−24%

3002Sherman County, TXTX2,781180−28%

3003Douglas County, SDSD2,888178+6%

3004Kinney County, TXTX3,128178−35%

3005Roberts County, TXTX867177+30%

3006Kittson County, MNMN4,031176−45%

3007Sioux County, NENE1,188175−40%

3008Lipscomb County, TXTX2,955175−50%

3009Grant County, NENE561174+11%

3010Powder River County, MTMT1,781170−27%

3011Cottle County, TXTX1,224170+7%

3012Benson County, NDND5,759167−50%

3013Carter County, MTMT1,383166+4%

3014Potter County, SDSD2,377165−38%

3015Daniels County, MTMT1,612164+20%

3016Schley County, GAGA4,593163−76%

3017Lane County, KSKS1,508163−45%

3018Cameron Parish, LALA4,718163−67%

3019McCone County, MTMT1,720163−20%

3020Bowman County, NDND2,762163−47%

3021Grant County, NDND2,206162+11%

3022Rolette County, NDND11,688162−56%

3023Piute County, UTUT1,509162+6%

3024Garfield County, MTMT1,148160−23%

3025Glasscock County, TXTX1,128159+49%

3026Dickens County, TXTX1,692158−53%

3027Renville County, NDND2,331158−44%

3028Baker County, GAGA2,725158+888%

3029Nelson County, NDND2,963157−40%

3030Motley County, TXTX1,043156−9%

3031Sargent County, NDND3,711152−54%

3032Emmons County, NDND3,215151−4%

3033Wibaux County, MTMT885149+4%

3034Bailey County, TXTX6,963148−58%

3035Hinsdale County, COCO753146+128%

3036Kearny County, KSKS3,888146−62%

3037Aleutians East, AKAK3,479144+227%

3038Dillingham Census Area, AKAK4,483144−54%

3039Emporia, VAVA5,447144−36%

3040Hyde County, SDSD1,191143−33%

3041Sully County, SDSD1,479143−26%

3042Sutton County, TXTX3,203143−21%

3043Wallace County, KSKS1,441143−32%

3044Hooker County, NENE686142+15%

3045McMullen County, TXTX544142+1%

3046Rich County, UTUT2,687141+11%

3047Jeff Davis County, TXTX1,711140−47%

3048Cimarron County, OKOK2,059135−68%

3049Mineral County, COCO910133+4%

3050Kusilvak Census Area, AKAK7,932131–

3051Burke County, NDND2,132131+41%

3052Harmon County, OKOK2,327131−56%

3053Jackson County, COCO1,211131−36%

3054Aleutians West Census Area, AKAK5,240130−55%

3055Northwest Arctic, AKAK7,095128−29%

3056Duval County, TXTX9,402126−73%

3057Harding County, SDSD1,331126−45%

3058Oliver County, NDND1,898125+64%

3059Reeves County, TXTX12,138125+9%

3060Cochran County, TXTX2,546124−45%

3061Presidio County, TXTX5,433123−7%

3062Hodgeman County, KSKS1,619123−53%

3063Adams County, NDND2,275122−35%

3064Thomas County, NENE639121−2%

3065Menard County, TXTX1,956121+9%

3066De Baca County, NMNM1,647120−8%

3067Wayne County, UTUT2,587119−62%

3068Haines, AKAK2,068118−65%

3069Keweenaw County, MIMI2,186117+19%

3070Greeley County, KSKS1,182115−19%

3071Towner County, NDND2,040114−52%

3072Bennett County, SDSD3,307110+55%

3073Dimmit County, TXTX8,024110−41%

3074Claiborne County, MSMS8,058109−24%

3075Wheeler County, NENE789109−8%

3076Butte County, IDID2,783105−59%

3077Loup County, NENE570105−26%

3078Haskell County, KSKS3,599103−73%

3079Culberson County, TXTX2,267102−3%

3080Briscoe County, TXTX1,47498−77%

3081Stonewall County, TXTX1,18698−29%

3082Wheeler County, GAGA7,57098−51%

3083Zapata County, TXTX13,75395−74%

3084Quitman County, GAGA2,25494−71%

3085Steele County, NDND1,79792−14%

3086Upton County, TXTX3,13192−77%

3087Keya Paha County, NENE79290−2%

3088Zavala County, TXTX9,03790+38%

3089Castro County, TXTX7,29590−86%

3090Treasure County, MTMT72888+5%

3091Denali, AKAK1,61687−61%

3092Starr County, TXTX66,31987−71%

3093Randolph County, GAGA6,15687−86%

3094Logan County, NENE66985+1%

3095Oglala Lakota County, SDSD13,33884–

3096Irion County, TXTX1,46383−63%

3097Slope County, NDND62881+42%

3098Taliaferro County, GAGA1,66281+17%

3099Foard County, TXTX1,04480−60%

3100Bullock County, ALAL9,78078−71%

3101San Juan County, COCO81377+1%

3102Clay County, GAGA2,81577−42%

3103Reagan County, TXTX3,16675−53%

3104Hamilton County, KSKS2,50074−75%

3105Sheridan County, NDND1,29670+21%

3106Golden Valley County, MTMT84469−54%

3107Hayes County, NENE82168−58%

3108Daggett County, UTUT93467−18%

3109Banner County, NENE68665−21%

3110Logan County, NDND1,85964−30%

3111Borden County, TXTX56763−42%

3112Guadalupe County, NMNM4,34362−67%

3113Stewart County, GAGA4,63162−78%

3114Sharkey County, MSMS3,09761−59%

3115Kent County, TXTX67459−24%

3116Crane County, TXTX4,55456−81%

3117Billings County, NDND1,07154−35%

3118McIntosh County, NDND2,45152−37%

3119Petroleum County, MTMT54850−37%

3120Menominee County, WIWI4,19948−52%

3121Bristol Bay, AKAK84742−45%

3122Lake and Peninsula, AKAK1,35741+21%

3123Mellette County, SDSD2,13738−78%

3124Webster County, GAGA2,36937−93%

3125Arthur County, NENE39636−53%

3126Jones County, SDSD91335−80%

3127Sioux County, NDND3,66733−51%

3128King County, TXTX19233+3%

3129McPherson County, NENE36933−81%

3130Blaine County, NENE45831−61%

3131Clark County, IDID78329+45%

3132Brooks County, TXTX6,57927−48%

3133Esmeralda County, NVNV72926−79%

3134Jim Hogg County, TXTX4,55525−39%

3135Yakutat, AKAK67223−72%

3136Harding County, NMNM61720−47%

3137Issaquena County, MSMS1,26319−83%

3138Crockett County, TXTX2,76913−88%

3139Stanton County, KSKS1,98613−93%

3140Campbell County, SDSD1,37711−90%

3141Buffalo County, SDSD1,8027−67%

3142Kalawao County, HIHI826+50%

3143Loving County, TXTX523−77%

3144Kenedy County, TXTX3192–

SHOWING 3,001–3,144 OF 3,144

Download CSV (full list, 3,144 rows)

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