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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 2023 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV.

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RELATEDLargest American populationHighest American population shareLargest Arab populationHighest Arab population shareLargest Egyptian populationHighest Egyptian population share
YEAR201020202024
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RANKPLACESTATEPOPIRISH POPULATIONVS 2000
1001St. Joseph County, MIMI60,9685,083
1002Phelps County, MOMO45,2475,077
1003Fremont County, COCO50,0395,072
1004Warren County, PAPA37,0385,070
1005Greene County, ARAR47,4115,067
1006Clayton County, GAGA297,4715,065
1007Livingston County, ILIL35,0575,063
1008Butler County, MOMO41,9045,051
1009Upshur County, TXTX44,4105,033
1010Coffee County, ALAL56,9535,018
1011Marshall County, WVWV29,1595,000
1012Jackson County, ALAL54,2814,995
1013Miami County, KSKS36,2404,974
1014Lincoln County, NENE33,3034,964
1015Waupaca County, WIWI51,4614,958
1016Clarion County, PAPA36,6804,944
1017Washington Parish, LALA44,9374,944
1018Latah County, IDID41,8424,939
1019Greene County, PAPA33,8854,932
1020Auglaize County, OHOH45,9094,920
1021Callaway County, MOMO45,7654,914
1022Coshocton County, OHOH37,1884,899
1023Lynchburg, VAVA81,3474,899
1024Howell County, MOMO40,7984,890
1025Monroe County, WIWI46,5724,885
1026Des Moines County, IAIA38,0774,857
1027Douglas County, WIWI43,9904,856
1028Hillsdale County, MIMI45,7384,853
1029Branch County, MIMI45,9934,832
1030Pontotoc County, OKOK38,5284,823
1031Fayette County, TNTN45,0714,817
1032Lawrence County, MOMO39,4014,816
1033Oneida County, WIWI38,1314,811
1034Hancock County, WVWV27,7294,810
1035Hamblen County, TNTN68,8434,808
1036Crawford County, OHOH41,8964,801
1037Winona County, MNMN50,5234,800
1038Suwannee County, FLFL48,1494,798
1039Kendall County, TXTX53,2894,787
1040Franklin County, VAVA55,5264,783
1041Portsmouth, VAVA96,7774,777
1042Franklin County, WAWA102,6124,767
1043Okeechobee County, FLFL42,6084,766
1044Tioga County, PAPA40,5024,762
1045Carter County, TNTN57,3614,751
1046Otter Tail County, MNMN61,0414,729
1047Eagle County, COCO54,2914,723
1048Erath County, TXTX43,9114,719
1049Pulaski County, MOMO54,4424,691
1050Perry County, OHOH35,9184,672
1051Culpeper County, VAVA57,6664,666
1052McDowell County, NCNC45,1984,661
1053Rusk County, TXTX54,8544,642
1054Nez Perce County, IDID42,9054,637
1055Harrison County, ININ40,4374,629
1056Wilkes County, NCNC66,2334,625
1057Shelby County, OHOH48,0654,624
1058Dunn County, WIWI46,2234,623
1059Kauai County, HIHI73,4004,623
1060Monroe County, ILIL34,8404,618
1061Wise County, VAVA34,8244,609
1062Bedford County, TNTN55,2734,608
1063Lee County, NCNC70,2584,601
1064Bryan County, OKOK51,3674,595
1065Huntington County, ININ37,2244,590
1066Dare County, NCNC38,2454,586
1067Lawrence County, TNTN46,9144,578
1068Oconee County, GAGA44,8934,561
1069Mecosta County, MIMI42,3204,554
1070Marion County, ILIL36,3824,552
1071Campbell County, VAVA55,6294,543
1072Polk County, WIWI45,8034,530
1073Preble County, OHOH40,6644,524
1074Clinton County, PAPA37,8704,522
1075Cherokee County, SCSC58,2754,521
1076Jasper County, IAIA38,1534,519
1077Macon County, NCNC39,2324,517
1078Warren County, MOMO39,0164,512
1079Montgomery County, ININ38,9544,511
1080Christian County, KYKY70,1154,506
1081Clatsop County, OROR40,9264,503
1082Cerro Gordo County, IAIA42,3724,498
1083Lafayette County, MSMS59,5974,496
1084Cheatham County, TNTN42,7784,496
1085Calumet County, WIWI53,9824,479
1086Charlottesville, VAVA44,3884,473
1087Stokes County, NCNC46,1264,468
1088Habersham County, GAGA50,4164,465
1089Bureau County, ILIL32,5104,455
1090McClain County, OKOK49,6474,450
1091Cherokee County, OKOK49,1964,439
1092Shenandoah County, VAVA45,8394,436
1093Woodford County, ILIL38,1114,426
1094Morrow County, OHOH36,3054,418
1095Franklin County, ILIL36,9164,416
1096Pettis County, MOMO44,2544,391
1097Clay County, MNMN67,7344,389
1098Fannin County, TXTX39,2654,385
1099Barron County, WIWI46,4844,374
1100Coos County, NHNH31,3434,361
1101Greenwood County, SCSC70,3794,349
1102Franklin County, MEME30,8244,346
1103Jones County, MSMS66,4964,331
1104San Benito County, CACA70,0824,325
1105Davie County, NCNC45,8554,314
1106Cooke County, TXTX44,4614,313
1107Elko County, NVNV54,8154,303
1108Randolph County, WVWV26,8824,295
1109Miller County, ARAR42,3574,278
1110Tallapoosa County, ALAL40,9534,273
1111Emmet County, MIMI33,7754,269
1112Washington County, VAVA53,8984,264
1113Green County, WIWI37,2274,264
1114Stanly County, NCNC68,8304,260
1115Pickens County, GAGA37,1674,257
1116Harris County, GAGA37,2804,257
1117Webster County, IAIA36,8384,254
1118Dodge County, NENE38,0574,252
1119Campbell County, WYWY48,1454,244
1120Cherokee County, TXTX53,3374,240
1121Alexander County, NCNC36,9584,236
1122Greenup County, KYKY35,2134,235
1123Webster County, MOMO43,0544,228
1124Morgan County, ILIL32,5154,220
1125Meade County, KYKY30,6994,207
1126Valencia County, NMNM82,0134,202
1127Kay County, OKOK43,4904,192
1128Delaware County, OKOK41,9104,180
1129Mayes County, OKOK40,4164,179
1130Fayette County, WVWV38,1654,178
1131Lamoille County, VTVT26,2944,175
1132Dyer County, TNTN36,3204,174
1133Jackson County, ININ47,3704,161
1134Polk County, TXTX53,4344,157
1135Colbert County, ALAL59,4744,146
1136Jackson County, NCNC45,0394,145
1137Caledonia County, VTVT30,4144,142
1138Clark County, KYKY37,8884,129
1139DeKalb County, ININ44,5354,128
1140Elk County, PAPA29,9264,116
1141Washington County, MEME31,3344,110
1142Marshall County, ININ46,5994,105
1143Jo Daviess County, ILIL21,5944,102
1144Cowley County, KSKS34,3824,102
1145Itasca County, MNMN45,4044,097
1146Medina County, TXTX56,8814,093
1147Gibson County, ININ33,0914,090
1148Montgomery County, KSKS30,1774,078
1149Fremont County, WYWY39,4644,073
1150Jasper County, ININ33,8944,067
1151Henderson County, KYKY44,2554,064
1152Stone County, MOMO32,5034,062
1153Benton County, IAIA26,0044,061
1154Navarro County, TXTX57,1814,048
1155Gordon County, GAGA61,7014,034
1156Dukes County, MAMA21,2194,023
1157Chambers County, TXTX57,5944,011
1158Rhea County, TNTN34,8444,007
1159Wilson County, NCNC81,1503,996
1160Gloucester County, VAVA40,0973,994
1161Saline County, ILIL22,7723,994
1162Lowndes County, MSMS57,3463,987
1163Oktibbeha County, MSMS51,8963,985
1164White County, GAGA29,8023,985
1165Otsego County, MIMI26,0803,964
1166Franklin County, TNTN45,5793,962
1167Isanti County, MNMN44,3863,960
1168Brown County, TXTX38,7113,958
1169Cocke County, TNTN37,8893,942
1170Tooele County, UTUT87,4613,941
1171Montrose County, COCO44,5913,935
1172Charlevoix County, MIMI26,0363,932
1173Campbell County, TNTN40,2903,921
1174Currituck County, NCNC33,1583,916
1175Wyoming County, PAPA25,7903,903
1176Spalding County, GAGA70,7753,899
1177Fayette County, OHOH28,5523,889
1178Jefferson County, ILIL36,1473,883
1179Jackson County, OHOH32,8173,876
1180Orange County, VTVT30,0023,874
1181Shelby County, ININ45,8823,862
1182Marion County, IAIA34,1923,862
1183Independence County, ARAR38,7853,850
1184Taos County, NMNM34,5643,849
1185Jefferson County, ININ33,2793,849
1186San Patricio County, TXTX72,0533,847
1187Adams County, OHOH27,8653,846
1188Garrett County, MDMD28,3703,844
1189Marshall County, KYKY31,6593,841
1190Hill County, TXTX39,5033,838
1191Mower County, MNMN40,9713,823
1192Pittsylvania County, VAVA59,4903,813
1193Delta County, COCO32,1783,812
1194Marshall County, IAIA39,8903,811
1195Scotts Bluff County, NENE35,5863,806
1196Madison County, GAGA32,9193,794
1197Hopkins County, KYKY45,1273,776
1198Noble County, ININ47,9373,775
1199Okanogan County, WAWA45,2303,772
1200Williams County, OHOH36,5493,769
1201Clare County, MIMI31,5433,768
1202Douglas County, WAWA46,4733,767
1203Chippewa County, MIMI36,0813,766
1204Gratiot County, MIMI41,1903,766
1205Gilmer County, GAGA33,8943,765
1206Okmulgee County, OKOK37,2413,764
1207Garvin County, OKOK26,3773,762
1208Beaufort County, NCNC44,6703,761
1209Lafayette County, MOMO33,5313,758
1210Oconto County, WIWI40,1953,755
1211Lea County, NMNM74,7493,754
1212Scott County, MOMO37,9753,745
1213Eddy County, NMNM62,5093,743
1214Powhatan County, VAVA32,5913,740
1215Curry County, NMNM46,6553,738
1216Dubois County, ININ44,0163,738
1217Darlington County, SCSC62,8883,720
1218Terrebonne Parish, LALA104,1633,714
1219Muscatine County, IAIA41,8533,706
1220Lewis County, NYNY26,4793,704
1221Pasquotank County, NCNC42,2013,697
1222Brookings County, SDSD37,6353,688
1223Caroline County, MDMD34,1163,686
1224Nash County, NCNC99,3653,685
1225Elbert County, COCO30,5343,673
1226Botetourt County, VAVA34,1443,667
1227Steuben County, ININ34,7993,662
1228Box Elder County, UTUT65,3203,656
1229Claiborne County, TNTN33,2293,652
1230Wilson County, TXTX56,1393,641
1231Winchester, VAVA28,2723,640
1232Carroll County, OHOH26,4753,638
1233Franklin County, KSKS26,2993,633
1234Summit County, UTUT43,1413,625
1235Lincoln County, OKOK35,2783,622
1236Floyd County, KYKY34,4013,621
1237Whitley County, KYKY37,2973,619
1238Granville County, NCNC61,4213,618
1239Logan County, ILIL27,1823,615
1240Gallia County, OHOH29,0723,609
1241St. Charles Parish, LALA50,5863,608
1242Miami County, ININ34,4873,607
1243Park County, WYWY31,1713,603
1244Lake County, MTMT33,3923,602
1245Montgomery County, ILIL28,0763,601
1246Thomas County, GAGA46,3683,599
1247Mercer County, OHOH42,7373,590
1248Grant County, KYKY26,1813,586
1249Warren County, TNTN43,7173,585
1250Christian County, ILIL33,4433,579
1251Cass County, ININ37,8363,578
1252Iowa County, WIWI23,9513,578
1253Alcorn County, MSMS34,5693,576
1254Liberty County, GAGA70,3133,575
1255Carlton County, MNMN36,7113,562
1256Sweetwater County, WYWY41,2673,560
1257Rockdale County, GAGA98,4163,558
1258Hoke County, NCNC56,9393,558
1259Upshur County, WVWV23,7583,555
1260Lawrence County, SDSD29,4593,551
1261Pottawatomie County, KSKS27,1863,551
1262Cheboygan County, MIMI25,7933,547
1263Cherokee County, NCNC30,8303,532
1264Madison County, NENE36,1063,531
1265Iroquois County, ILIL26,1503,526
1266Greenbrier County, WVWV31,5783,517
1267Wapello County, IAIA35,2103,505
1268Benton County, MNMN41,7443,504
1269Defiance County, OHOH38,2923,503
1270Fulton County, ILIL32,9013,500
1271Chaves County, NMNM63,3643,495
1272Fluvanna County, VAVA28,9753,494
1273Gilchrist County, FLFL20,4883,494
1274Wakulla County, FLFL38,0893,494
1275Tazewell County, VAVA38,6353,492
1276Dawson County, GAGA35,3653,489
1277Dale County, ALAL49,9123,485
1278Ellis County, KSKS29,0753,481
1279Stephens County, GAGA27,8543,471
1280Pike County, MSMS38,7123,468
1281Le Sueur County, MNMN29,4533,466
1282Union County, GAGA27,8593,464
1283Marion County, TNTN29,8043,459
1284Meade County, SDSD30,7113,458
1285Iosco County, MIMI25,2663,446
1286Russell County, ALAL58,8983,438
1287Baker County, FLFL29,7373,435
1288Jones County, IAIA21,2533,432
1289Brooke County, WVWV21,1423,430
1290King George County, VAVA29,6463,417
1291Delta County, MIMI36,5823,416
1292Door County, WIWI30,6163,415
1293Whitley County, ININ35,0463,410
1294Hardin County, TNTN27,9833,408
1295Calloway County, KYKY39,4213,406
1296Lafourche Parish, LALA95,5053,401
1297Preston County, WVWV34,0043,398
1298Randolph County, ILIL29,9213,389
1299Iron County, UTUT67,1413,385
1300Hocking County, OHOH27,5123,381
1301White County, ININ25,1643,381
1302Churchill County, NVNV25,8513,376
1303Tillamook County, OROR27,3843,368
1304Cass County, NENE27,6573,348
1305Wayne County, WVWV37,3093,348
1306Orleans County, VTVT27,6003,346
1307Boone County, IAIA26,7993,346
1308New Kent County, VAVA28,0223,334
1309Pontotoc County, MSMS32,0963,333
1310Douglas County, MNMN40,1203,313
1311Caroline County, VAVA34,4133,305
1312Isle of Wight County, VAVA41,3213,302
1313Greene County, ININ31,1653,301
1314Murray County, GAGA41,6073,299
1315Kent County, MDMD19,5653,299
1316Teton County, WYWY23,3333,296
1317Lincoln Parish, LALA48,3603,289
1318Lumpkin County, GAGA36,1783,287
1319Bremer County, IAIA25,2963,281
1320McDonough County, ILIL25,9163,276
1321Waller County, TXTX69,8583,272
1322Carroll County, VAVA29,2993,271
1323Park County, MTMT18,2143,270
1324Person County, NCNC40,6363,270
1325Curry County, OROR22,6213,268
1326Beauregard Parish, LALA36,6733,268
1327Juneau, AKAK31,6093,244
1328Obion County, TNTN30,0673,237
1329Woodford County, KYKY27,8833,233
1330Iberia Parish, LALA66,8463,229
1331Haralson County, GAGA33,0663,228
1332Colleton County, SCSC39,3823,225
1333Snyder County, PAPA39,6553,217
1334Dorchester County, MDMD33,6283,217
1335Geary County, KSKS36,3383,215
1336Steele County, MNMN37,4643,208
1337Juneau County, WIWI26,6493,206
1338Houghton County, MIMI37,8423,205
1339Fannin County, GAGA26,1113,203
1340Hampshire County, WVWV24,1053,201
1341Hardin County, OHOH30,0723,198
1342Teller County, COCO24,7563,197
1343Knox County, ININ35,6523,192
1344Geneva County, ALAL27,5543,175
1345Prince George County, VAVA43,9363,171
1346Barren County, KYKY45,6413,170
1347Buchanan County, IAIA20,8833,166
1348Adams County, NENE31,0713,163
1349Staunton, VAVA26,8013,163
1350Ray County, MOMO23,3983,160
1351Giles County, TNTN31,4333,152
1352Dunklin County, MOMO26,8553,151
1353Marion County, ARAR17,5933,141
1354Antrim County, MIMI24,6983,139
1355Imperial County, CACA181,4113,134
1356Clinton County, MOMO21,6613,134
1357Lincoln County, TNTN36,8533,133
1358Huron County, MIMI30,5303,121
1359Manassas, VAVA44,3323,117
1360Mineral County, WVWV26,7923,114
1361Hickman County, TNTN26,2193,112
1362Plymouth County, IAIA25,6973,111
1363Chilton County, ALAL47,7083,108
1364Caldwell County, TXTX55,1503,100
1365Wabash County, ININ30,7133,098
1366Washington County, TXTX38,2883,085
1367Routt County, COCO25,3293,084
1368Polk County, MOMO33,6043,080
1369Jennings County, ININ27,6223,077
1370Nicholas County, WVWV23,8483,074
1371St. Bernard Parish, LALA45,6423,072
1372Lampasas County, TXTX23,6573,068
1373Beltrami County, MNMN47,0553,059
1374Marion County, ALAL29,0973,041
1375Ottawa County, OKOK30,4383,040
1376Yadkin County, NCNC38,3253,039
1377Lenoir County, NCNC55,8373,028
1378Wexford County, MIMI34,4453,020
1379Stoddard County, MOMO28,2843,019
1380Lawrence County, ALAL33,8433,011
1381Barry County, MOMO36,2003,008
1382Mariposa County, CACA16,9183,003
1383Marshall County, TNTN38,0713,001
1384Sheridan County, WYWY33,2412,995
1385Pine County, MNMN30,4722,980
1386Taylor County, KYKY26,7632,968
1387Gladwin County, MIMI26,0772,967
1388Jackson County, IAIA19,2882,965
1389Effingham County, ILIL34,5192,949
1390Union County, PAPA42,3132,945
1391McNairy County, TNTN26,2362,945
1392Logan County, WVWV30,3752,945
1393Del Norte County, CACA26,4102,936
1394Wabasha County, MNMN21,5372,923
1395Hart County, GAGA28,6392,923
1396Graves County, KYKY37,0502,919
1397Starke County, ININ23,4252,914
1398Lyon County, KSKS32,2662,907
1399Freeborn County, MNMN30,4402,902
1400Henry County, TNTN32,8962,891
1401Mississippi County, ARAR37,8282,890
1402Leelanau County, MIMI22,9822,883
1403Stark County, NDND34,0132,882
1404Dougherty County, GAGA82,6162,880
1405Morgan County, TNTN22,1602,878
1406Rowan County, KYKY24,4762,878
1407Llano County, TXTX23,3532,874
1408Waynesboro, VAVA23,9512,873
1409Covington County, ALAL37,9472,871
1410Polk County, GAGA45,5142,868
1411Lamar County, TXTX51,5032,863
1412Madison County, NCNC22,5532,859
1413Vernon County, WIWI31,4432,858
1414Marinette County, WIWI42,5742,851
1415Knox County, KYKY29,5322,841
1416Adair County, MOMO25,6842,834
1417Washington County, ININ28,3832,826
1418Montezuma County, COCO26,6782,823
1419Fayette County, ININ23,5332,818
1420McLeod County, MNMN36,6312,817
1421Henry County, VAVA49,2422,816
1422Fredericksburg, VAVA30,3932,816
1423Jersey County, ILIL21,1602,813
1424Custer County, OKOK28,1752,800
1425Alpena County, MIMI28,8532,799
1426Schuyler County, NYNY16,9242,798
1427Mason County, MIMI29,0402,795
1428Union County, MSMS28,4592,792
1429Decatur County, ININ26,5762,792
1430Manistee County, MIMI25,6562,789
1431St. Landry Parish, LALA80,7652,788
1432Madison County, IAIA17,2702,784
1433Nantucket County, MAMA14,7582,781
1434Wasco County, OROR26,3102,778
1435Baldwin County, GAGA44,0292,769
1436Roscommon County, MIMI23,9142,766
1437Palo Pinto County, TXTX30,7912,764
1438White County, TNTN29,6122,763
1439Yancey County, NCNC19,0842,760
1440Texas County, MOMO25,9942,759
1441Cass County, MNMN31,4302,758
1442Putnam County, ININ37,8762,758
1443Goochland County, VAVA29,1872,751
1444Platte County, NENE35,6492,747
1445Brown County, SDSD37,5612,743
1446Grainger County, TNTN25,7392,743
1447Wayne County, GAGA32,4812,740
1448Oceana County, MIMI27,1772,740
1449Elmore County, IDID29,4652,735
1450Carroll County, IAIA20,3032,733
1451Saunders County, NENE23,7022,732
1452Fayette County, IAIA19,0472,732
1453Iowa County, IAIA16,5042,731
1454George County, MSMS26,3312,730
1455Miller County, MOMO25,8172,726
1456Kandiyohi County, MNMN44,7202,721
1457Breckinridge County, KYKY21,5032,713
1458Crook County, OROR27,5642,712
1459Prentiss County, MSMS25,2842,709
1460Harvey County, KSKS33,5802,707
1461Sequoyah County, OKOK40,8422,702
1462Meigs County, OHOH21,5872,701
1463Hopkins County, TXTX39,0632,697
1464Polk County, TNTN18,5922,696
1465Marion County, MOMO28,5252,694
1466Colquitt County, GAGA47,4382,693
1467Nicollet County, MNMN34,2732,686
1468Vilas County, WIWI23,7612,686
1469Washington County, IAIA22,6672,683
1470Randolph County, MOMO24,5132,680
1471Grant County, NMNM27,2522,677
1472Vernon Parish, LALA45,0912,672
1473Gillespie County, TXTX28,5272,669
1474Spencer County, KYKY20,9982,669
1475Payette County, IDID27,8242,667
1476Jefferson County, ARAR62,9872,665
1477Grayson County, KYKY27,4062,664
1478Orangeburg County, SCSC83,1772,656
1479Washington County, NENE21,3022,653
1480Henderson County, TNTN28,5182,651
1481Sumner County, KSKS22,3122,650
1482Chaffee County, COCO20,8312,649
1483Winston County, ALAL23,8292,643
1484Crittenden County, ARAR46,2102,634
1485Posey County, ININ24,9882,633
1486Asotin County, WAWA22,5452,633
1487Johnson County, KYKY22,0512,630
1488Fairfax, VAVA26,7722,629
1489Howard County, TXTX30,5042,629
1490Cedar County, IAIA18,3592,628
1491Waushara County, WIWI25,2232,626
1492Logan County, KYKY28,6692,626
1493Daviess County, ININ34,2092,626
1494Jones County, GAGA29,1712,623
1495Perry County, KYKY26,5552,622
1496Jasper County, SCSC38,5332,619
1497Shawano County, WIWI41,5602,619
1498Codington County, SDSD29,5622,614
1499Jackson County, FLFL49,6292,610
1500Pike County, OHOH27,0612,606
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UPDATED 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES