RANKING · 2020 CENSUS · 134 SHOWN OF 3,134

Highest Irish population share, US counties · 2020

US counties ranked by the share of all residents who are Irish ancestry (2023 American Community Survey). A concentration measure: Irish residents as a percentage of total population.

All statesAll rankings

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 SHAREVS 2000

3001Walthall County, MSMS13,9283.3%–

3002Jefferson County, MSMS6,8253.3%–

3003Lea County, NMNM74,7493.3%–

3004Wilkes County, GAGA9,5403.2%–

3005Pendleton County, WVWV5,8263.2%–

3006Titus County, TXTX31,5633.2%–

3007Decatur County, GAGA29,4323.2%–

3008Jim Wells County, TXTX38,8043.2%–

3009Dougherty County, GAGA82,6163.1%–

3010Sunflower County, MSMS22,8933.1%–

3011Mellette County, SDSD2,1373.1%–

3012Dodge County, GAGA19,6633.1%–

3013Sharkey County, MSMS3,0973.1%–

3014Sampson County, NCNC61,5043.1%–

3015Lafourche Parish, LALA95,5053.1%–

3016Cameron Parish, LALA4,7183.1%–

3017Wells County, NDND3,7293.1%–

3018Fairfield County, SCSC20,3403.1%–

3019Nome Census Area, AKAK9,8303.1%–

3020Franklin County, IDID15,8893.1%–

3021Washington County, NCNC10,6383.1%–

3022Oliver County, NDND1,8983.1%–

3023Lee County, ARAR8,0293.1%–

3024Early County, GAGA10,4553.1%–

3025Greene County, ALAL7,0673.1%–

3026Vance County, NCNC42,6383.0%–

3027Ward County, TXTX11,1253.0%–

3028Montgomery County, NCNC26,4033.0%–

3029Washington County, MSMS40,4463.0%–

3030Kemper County, MSMS8,6003.0%–

3031Schley County, GAGA4,5933.0%–

3032Madison Parish, LALA8,8443.0%–

3033St. John the Baptist Parish, LALA39,8752.9%–

3034Lafayette County, FLFL8,7922.9%–

3035Evangeline Parish, LALA31,9802.9%–

3036Kleberg County, TXTX30,3152.9%–

3037Chickasaw County, MSMS16,7302.8%–

3038Aleutians East, AKAK3,4792.8%–

3039St. Martin Parish, LALA51,1062.8%–

3040Edgecombe County, NCNC49,1212.7%–

3041Apache County, AZAZ64,4452.7%–

3042Orangeburg County, SCSC83,1772.6%–

3043Glasscock County, TXTX1,1282.6%–

3044Yoakum County, TXTX7,4382.6%–

3045Wheeler County, GAGA7,5702.6%–

3046Prince George's County, MDMD970,3742.6%–

3047Uvalde County, TXTX24,9632.6%–

3048Guadalupe County, NMNM4,3432.6%–

3049Carroll County, MSMS9,2262.6%–

3050Coahoma County, MSMS19,8492.5%–

3051Greenlee County, AZAZ9,3122.5%–

3052Martin County, NCNC21,6012.5%–

3053Buena Vista, VAVA6,6722.5%–

3054Seminole County, GAGA9,1622.5%–

3055Jasper County, MSMS15,7852.5%–

3056Rich County, UTUT2,6872.5%–

3057Franklin, VAVA8,4782.5%–

3058Sutton County, TXTX3,2032.5%–

3059North Slope, AKAK10,5822.5%–

3060Webster County, GAGA2,3692.4%–

3061Dewey County, SDSD5,4192.4%–

3062Williamsburg County, SCSC29,6622.4%–

3063El Paso County, TXTX877,8582.4%–

3064Bladen County, NCNC30,0072.3%–

3065Marion County, SCSC28,2422.3%–

3066Perry County, ALAL7,4252.3%–

3067Lee County, SCSC15,7302.3%–

3068Bailey County, TXTX6,9632.3%–

3069Dallas County, ALAL35,1402.3%–

3070Sioux County, NDND3,6672.3%–

3071Dimmit County, TXTX8,0242.3%–

3072Santa Cruz County, AZAZ50,0202.2%–

3073Northwest Arctic, AKAK7,0952.2%–

3074Pecos County, TXTX14,5602.2%–

3075San Miguel County, NMNM26,2602.2%–

3076Warren County, GAGA5,2692.2%–

3077Dooly County, GAGA11,1562.1%–

3078Calhoun County, GAGA5,4132.1%–

3079Stewart County, GAGA4,6312.0%–

3080McIntosh County, NDND2,4512.0%–

3081Duval County, TXTX9,4022.0%–

3082Assumption Parish, LALA19,7202.0%–

3083Hudspeth County, TXTX3,4331.9%–

3084Zavala County, TXTX9,0371.9%–

3085Hampton County, SCSC18,1741.9%–

3086Clayton County, GAGA297,4711.9%–

3087Val Verde County, TXTX47,8351.9%–

3088Robeson County, NCNC119,9411.8%–

3089Randolph County, GAGA6,1561.8%–

3090Scotland County, NCNC33,3221.8%–

3091Bronx County, NYNY1,406,3321.8%–

3092Petersburg, VAVA33,7341.8%–

3093Imperial County, CACA181,4111.8%–

3094Barnwell County, SCSC20,6531.7%–

3095Allendale County, SCSC7,3551.7%–

3096Schleicher County, TXTX2,2451.7%–

3097St. Landry Parish, LALA80,7651.7%–

3098Issaquena County, MSMS1,2631.6%–

3099Stanton County, KSKS1,9861.6%–

3100Telfair County, GAGA11,1951.6%–

3101Lowndes County, ALAL9,3591.5%–

3102Jim Hogg County, TXTX4,5551.5%–

3103Willacy County, TXTX19,9711.5%–

3104Wilcox County, ALAL9,6661.5%–

3105Rolette County, NDND11,6881.5%–

3106Baker County, GAGA2,7251.3%–

3107Bethel Census Area, AKAK18,3911.3%–

3108Leflore County, MSMS25,6861.3%–

3109Miami-Dade County, FLFL2,802,0291.3%–

3110Twiggs County, GAGA7,5971.2%–

3111McKinley County, NMNM68,1191.2%–

3112Reagan County, TXTX3,1661.2%–

3113Todd County, SDSD8,8631.2%–

3114Rio Arriba County, NMNM39,8321.2%–

3115St. James Parish, LALA18,9381.1%–

3116Bullock County, ALAL9,7801.1%–

3117Cameron County, TXTX433,9461.1%–

3118Reeves County, TXTX12,1381.0%–

3119Hidalgo County, TXTX921,5491.0%–

3120Zapata County, TXTX13,7530.9%–

3121Oglala Lakota County, SDSD13,3380.9%–

3122Bamberg County, SCSC12,7960.9%–

3123Holmes County, MSMS15,4650.8%–

3124Buffalo County, SDSD1,8020.7%–

3125Menominee County, WIWI4,1990.7%–

3126Emporia, VAVA5,4470.6%–

3127Claiborne County, MSMS8,0580.5%–

3128Kenedy County, TXTX3190.5%–

3129Webb County, TXTX281,2240.5%–

3130Maverick County, TXTX58,8230.3%–

3131Starr County, TXTX66,3190.3%–

3132Kalawao County, HIHI820.2%–

3133Kusilvak Census Area, AKAK7,9320.2%–

3134Brooks County, TXTX6,5790.2%–

SHOWING 3,001–3,134 OF 3,134

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