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RANKING · 2010 CENSUS · 500 SHOWN OF 3,130

Largest Irish population, US counties · 2010

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
1001Gila County, AZAZ53,8016,051
1002Nelson County, KYKY49,0366,049
1003Dale County, ALAL49,9126,047
1004Jones County, MSMS66,4966,026
1005Mifflin County, PAPA46,1276,023
1006Pierce County, WIWI43,5196,017
1007Chaves County, NMNM63,3646,008
1008Warren County, PAPA37,0386,004
1009Sagadahoc County, MEME37,9795,996
1010Stephenson County, ILIL43,2205,993
1011Champaign County, OHOH38,8205,983
1012Seneca County, OHOH54,5225,965
1013Ashland County, OHOH52,5235,957
1014Chelan County, WAWA81,9415,924
1015Bedford County, PAPA47,4805,919
1016Miami County, KSKS36,2405,909
1017Lawrence County, MOMO39,4015,908
1018Cerro Gordo County, IAIA42,3725,894
1019Marshall County, WVWV29,1595,888
1020Gibson County, TNTN51,7795,883
1021Habersham County, GAGA50,4165,858
1022Hancock County, MSMS46,8735,855
1023Whitman County, WAWA48,5125,854
1024Putnam County, WVWV56,8855,842
1025Lincoln County, NENE33,3035,841
1026Walker County, TXTX83,8425,827
1027Lee County, IAIA32,3065,826
1028Henderson County, KYKY44,2555,821
1029Logan County, OKOK55,4735,820
1030Auglaize County, OHOH45,9095,807
1031Warren County, MOMO39,0165,800
1032Franklin County, VAVA55,5265,799
1033Clinton County, PAPA37,8705,794
1034Henry County, ININ49,1375,789
1035Lancaster County, SCSC114,2965,766
1036Barry County, MOMO36,2005,761
1037Hancock County, WVWV27,7295,759
1038Newaygo County, MIMI51,6225,749
1039Lowndes County, MSMS57,3465,744
1040Cheatham County, TNTN42,7785,740
1041Jasper County, TXTX33,0755,736
1042Walton County, FLFL93,2885,727
1043Branch County, MIMI45,9935,721
1044Tioga County, PAPA40,5025,701
1045Nicholas County, WVWV23,8485,689
1046Scott County, MOMO37,9755,682
1047Pittsylvania County, VAVA59,4905,682
1048Emmet County, MIMI33,7755,679
1049Pender County, NCNC72,1115,652
1050Nez Perce County, IDID42,9055,638
1051Coos County, NHNH31,3435,636
1052Greenwood County, SCSC70,3795,628
1053Darke County, OHOH51,5205,622
1054Washington County, MEME31,3345,621
1055Latah County, IDID41,8425,619
1056McClain County, OKOK49,6475,613
1057Transylvania County, NCNC34,2115,607
1058Wyoming County, PAPA25,7905,605
1059Delaware County, OKOK41,9105,595
1060Muscatine County, IAIA41,8535,594
1061Miller County, ARAR42,3575,593
1062Goodhue County, MNMN48,1955,570
1063Lafayette County, MOMO33,5315,563
1064Gratiot County, MIMI41,1905,561
1065Itasca County, MNMN45,4045,560
1066Huntington County, ININ37,2245,560
1067Greene County, ININ31,1655,543
1068Meade County, KYKY30,6995,518
1069Montgomery County, ININ38,9545,508
1070Morgan County, ILIL32,5155,504
1071Sweetwater County, WYWY41,2675,498
1072Wise County, TXTX83,7785,492
1073Howell County, MOMO40,7985,488
1074Fannin County, TXTX39,2655,483
1075Montgomery County, KSKS30,1775,462
1076Jasper County, ININ33,8945,461
1077Monroe County, WIWI46,5725,454
1078Shelby County, OHOH48,0655,437
1079Hawkins County, TNTN59,5595,436
1080Okmulgee County, OKOK37,2415,425
1081Rockingham County, VAVA89,3165,424
1082Woodford County, ILIL38,1115,395
1083Georgetown County, SCSC65,9125,393
1084Shelby County, ININ45,8825,388
1085Webster Parish, LALA34,9485,384
1086Marshall County, IAIA39,8905,374
1087Navarro County, TXTX57,1815,367
1088Sanilac County, MIMI40,0835,359
1089Jackson County, ININ47,3705,351
1090Polk County, GAGA45,5145,341
1091Albany County, WYWY38,5585,340
1092Lafayette County, MSMS59,5975,339
1093Burleigh County, NDND103,2515,339
1094Monroe County, ILIL34,8405,335
1095Perry County, OHOH35,9185,323
1096Oktibbeha County, MSMS51,8965,314
1097Franklin County, NCNC82,0375,314
1098Whitley County, KYKY37,2975,309
1099Cherokee County, SCSC58,2755,305
1100Gordon County, GAGA61,7015,295
1101Shenandoah County, VAVA45,8395,294
1102Yates County, NYNY24,5475,291
1103Jackson County, FLFL49,6295,289
1104Jasper County, IAIA38,1535,279
1105Mississippi County, ARAR37,8285,270
1106Gilmer County, GAGA33,8945,261
1107Coshocton County, OHOH37,1885,257
1108Marshall County, ININ46,5995,238
1109Clatsop County, OROR40,9265,220
1110Hill County, TXTX39,5035,212
1111Dodge County, NENE38,0575,209
1112Douglas County, WIWI43,9905,202
1113Camden County, GAGA60,1435,197
1114Caledonia County, VTVT30,4145,196
1115Gloucester County, VAVA40,0975,175
1116Washington Parish, LALA44,9375,166
1117Cache County, UTUT145,0005,154
1118Dare County, NCNC38,2455,134
1119Caroline County, MDMD34,1165,113
1120Warren County, VAVA42,7405,111
1121Fulton County, OHOH41,8535,080
1122Jefferson County, TNTN60,0245,058
1123Lumpkin County, GAGA36,1785,057
1124Graves County, KYKY37,0505,056
1125Dougherty County, GAGA82,6165,053
1126Lassen County, CACA28,1175,039
1127Otero County, NMNM70,3685,032
1128Elk County, PAPA29,9265,027
1129Morrow County, OHOH36,3055,018
1130San Jacinto County, TXTX29,4885,008
1131Montrose County, COCO44,5914,993
1132Okanogan County, WAWA45,2304,993
1133Orange County, VAVA40,0834,987
1134Lincoln Parish, LALA48,3604,983
1135Knox County, ININ35,6524,980
1136Clare County, MIMI31,5434,975
1137Bryan County, OKOK51,3674,971
1138Cass County, NENE27,6574,963
1139Calloway County, KYKY39,4214,961
1140Ottawa County, OHOH39,4814,959
1141Harrison County, ININ40,4374,952
1142Wexford County, MIMI34,4454,943
1143Hopkins County, KYKY45,1274,923
1144Fulton County, ILIL32,9014,905
1145Phelps County, MOMO45,2474,901
1146Defiance County, OHOH38,2924,899
1147Cherokee County, OKOK49,1964,893
1148Stanly County, NCNC68,8304,882
1149Wise County, VAVA34,8244,881
1150Clark County, KYKY37,8884,864
1151Hot Spring County, ARAR33,4514,863
1152Beauregard Parish, LALA36,6734,862
1153Prentiss County, MSMS25,2844,855
1154Hardin County, OHOH30,0724,841
1155Gallia County, OHOH29,0724,837
1156Union County, PAPA42,3134,834
1157Lawrence County, TNTN46,9144,829
1158Bureau County, ILIL32,5104,828
1159Putnam County, ININ37,8764,826
1160Lincoln County, SDSD77,1454,815
1161Orange County, VTVT30,0024,803
1162Henry County, TNTN32,8964,801
1163Spalding County, GAGA70,7754,790
1164Jackson County, NCNC45,0394,784
1165Barron County, WIWI46,4844,783
1166Stokes County, NCNC46,1264,768
1167Lea County, NMNM74,7494,765
1168Fremont County, WYWY39,4644,754
1169Preston County, WVWV34,0044,730
1170Elko County, NVNV54,8154,706
1171Marion County, IAIA34,1924,705
1172Marshall County, KYKY31,6594,682
1173Henry County, VAVA49,2424,663
1174Franklin County, WAWA102,6124,662
1175Noble County, ININ47,9374,657
1176Randolph County, WVWV26,8824,654
1177Erath County, TXTX43,9114,652
1178Chippewa County, MIMI36,0814,641
1179Fayette County, TNTN45,0714,639
1180San Benito County, CACA70,0824,634
1181Sheridan County, WYWY33,2414,632
1182Jennings County, ININ27,6224,631
1183Delta County, MIMI36,5824,630
1184Eddy County, NMNM62,5094,627
1185Kershaw County, SCSC73,1664,622
1186Cass County, ININ37,8364,619
1187Independence County, ARAR38,7854,609
1188Russell County, ALAL58,8984,594
1189Wilkes County, NCNC66,2334,591
1190Adair County, MOMO25,6844,578
1191Wilson County, TXTX56,1394,577
1192Oneida County, WIWI38,1314,576
1193Jackson County, WVWV27,4504,575
1194Williams County, OHOH36,5494,570
1195Tooele County, UTUT87,4614,568
1196Dunn County, WIWI46,2234,567
1197Lewis County, NYNY26,4794,543
1198Cocke County, TNTN37,8894,543
1199Wakulla County, FLFL38,0894,538
1200Calumet County, WIWI53,9824,522
1201Polk County, WIWI45,8034,522
1202Imperial County, CACA181,4114,518
1203Union County, OROR25,9004,517
1204DeKalb County, ININ44,5354,517
1205Valencia County, NMNM82,0134,516
1206Owen County, ININ21,8864,506
1207Marion County, TNTN29,8044,486
1208Saline County, ILIL22,7724,480
1209Weakley County, TNTN33,2614,475
1210Miami County, ININ34,4874,473
1211McDonough County, ILIL25,9164,472
1212Mower County, MNMN40,9714,471
1213Jo Daviess County, ILIL21,5944,468
1214Terrebonne Parish, LALA104,1634,464
1215Cowley County, KSKS34,3824,460
1216Cherokee County, NCNC30,8304,458
1217Mineral County, WVWV26,7924,453
1218Christian County, ILIL33,4434,450
1219Iowa County, WIWI23,9514,449
1220Hickman County, TNTN26,2194,440
1221Grant County, KYKY26,1814,434
1222Liberty County, GAGA70,3134,424
1223Kendall County, TXTX53,2894,410
1224Manassas, VAVA44,3324,410
1225Otter Tail County, MNMN61,0414,405
1226Cooke County, TXTX44,4614,399
1227Gibson County, ININ33,0914,383
1228Charlevoix County, MIMI26,0364,380
1229Stoddard County, MOMO28,2844,370
1230Wilson County, NCNC81,1504,366
1231Benton County, IAIA26,0044,366
1232Del Norte County, CACA26,4104,362
1233Adams County, OHOH27,8654,362
1234Franklin County, MEME30,8244,355
1235Clay County, MNMN67,7344,354
1236Dunklin County, MOMO26,8554,352
1237Ottawa County, OKOK30,4384,344
1238Fannin County, GAGA26,1114,344
1239Beckham County, OKOK22,1594,322
1240Le Sueur County, MNMN29,4534,305
1241Marinette County, WIWI42,5744,295
1242Rhea County, TNTN34,8444,289
1243Cleburne County, ARAR25,6724,286
1244Carroll County, ARAR29,2634,282
1245Pulaski County, VAVA33,5864,270
1246Park County, WYWY31,1714,255
1247Pike County, OHOH27,0614,252
1248Juneau, AKAK31,6094,246
1249Brooke County, WVWV21,1424,236
1250Iroquois County, ILIL26,1504,236
1251Green County, WIWI37,2274,207
1252Jefferson County, ININ33,2794,191
1253Carroll County, OHOH26,4754,182
1254Oconee County, GAGA44,8934,179
1255Lyon County, KSKS32,2664,153
1256Marion County, ALAL29,0974,152
1257Whitley County, ININ35,0464,141
1258Floyd County, KYKY34,4014,133
1259Harris County, GAGA37,2804,130
1260Okeechobee County, FLFL42,6084,128
1261Hocking County, OHOH27,5124,122
1262Jefferson County, WAWA33,9704,116
1263Charlottesville, VAVA44,3884,111
1264Polk County, MOMO33,6044,099
1265Teller County, COCO24,7564,098
1266Logan County, ARAR21,6334,094
1267Dawson County, GAGA35,3654,094
1268Juneau County, WIWI26,6494,094
1269Buchanan County, IAIA20,8834,081
1270Coffee County, ALAL56,9534,080
1271Breckinridge County, KYKY21,5034,080
1272St. Charles Parish, LALA50,5864,058
1273Lincoln County, OKOK35,2784,057
1274Daviess County, ININ34,2094,056
1275Bryan County, GAGA52,0624,047
1276Franklin County, KSKS26,2994,046
1277Carter County, KYKY26,1494,035
1278Haralson County, GAGA33,0664,031
1279Summit County, COCO31,5174,025
1280Scotts Bluff County, NENE35,5864,016
1281Nodaway County, MOMO20,1744,011
1282Baker County, FLFL29,7374,005
1283Matagorda County, TXTX36,4633,999
1284Mariposa County, CACA16,9183,998
1285Logan County, ILIL27,1823,991
1286Ripley County, ININ29,4343,984
1287Otsego County, MIMI26,0803,979
1288Poinsett County, ARAR22,4833,971
1289Columbus County, NCNC50,4873,970
1290Pontotoc County, MSMS32,0963,968
1291Lamoille County, VTVT26,2943,961
1292Natchitoches Parish, LALA36,0893,959
1293Union County, ARAR36,9263,956
1294Brown County, TXTX38,7113,946
1295Hopkins County, TXTX39,0633,940
1296Henry County, MOMO22,6713,930
1297Marshall County, TNTN38,0713,926
1298Ware County, GAGA36,9063,919
1299Dyer County, TNTN36,3203,899
1300Geneva County, ALAL27,5543,895
1301Davie County, NCNC45,8553,894
1302Carroll County, TNTN29,2003,890
1303Crawford County, KSKS39,0083,879
1304Jackson County, OHOH32,8173,855
1305Meade County, SDSD30,7113,854
1306Washington County, ININ28,3833,854
1307Lincoln County, TNTN36,8533,850
1308White County, GAGA29,8023,844
1309Huron County, MIMI30,5303,843
1310Tallapoosa County, ALAL40,9533,839
1311Ray County, MOMO23,3983,837
1312Douglas County, MNMN40,1203,835
1313Washington County, MOMO23,8103,834
1314Taylor County, WVWV16,2873,832
1315Labette County, KSKS19,6853,828
1316DeSoto County, FLFL37,0783,825
1317Boyle County, KYKY31,6323,821
1318Randolph County, MOMO24,5133,819
1319Houghton County, MIMI37,8423,817
1320Adams County, NENE31,0713,817
1321Tyler County, TXTX20,4433,815
1322Clinton County, MOMO21,6613,799
1323Randolph County, ILIL29,9213,799
1324Starke County, ININ23,4253,799
1325Jones County, IAIA21,2533,798
1326Platte County, NENE35,6493,795
1327Obion County, TNTN30,0673,794
1328Nicollet County, MNMN34,2733,793
1329Mason County, MIMI29,0403,791
1330Muhlenberg County, KYKY30,6343,790
1331Iosco County, MIMI25,2663,789
1332Robeson County, NCNC119,9413,788
1333Atascosa County, TXTX53,5903,786
1334Laclede County, MOMO36,9433,776
1335Curry County, NMNM46,6553,773
1336Winston County, ALAL23,8293,761
1337Crawford County, MOMO22,9293,756
1338Madison County, NENE36,1063,756
1339Pottawatomie County, KSKS27,1863,754
1340Chilton County, ALAL47,7083,752
1341Isanti County, MNMN44,3863,752
1342Carter County, OKOK48,9103,752
1343Colquitt County, GAGA47,4383,752
1344Sampson County, NCNC61,5043,736
1345Seminole County, OKOK23,4413,726
1346Texas County, MOMO25,9943,722
1347Hutchinson County, TXTX19,6333,715
1348Brookings County, SDSD37,6353,709
1349Bradford County, FLFL28,3073,695
1350Routt County, COCO25,3293,691
1351Gladwin County, MIMI26,0773,685
1352Lenoir County, NCNC55,8373,684
1353Lawrence County, ALAL33,8433,683
1354Sumner County, KSKS22,3123,682
1355Caldwell County, TXTX55,1503,677
1356Morgan County, TNTN22,1603,664
1357Randolph County, ININ24,4383,656
1358Thomas County, GAGA46,3683,655
1359Snyder County, PAPA39,6553,652
1360Clinton County, ILIL37,1283,647
1361Crittenden County, ARAR46,2103,638
1362Macon County, NCNC39,2323,638
1363Tift County, GAGA42,2543,634
1364Harlan County, KYKY24,7253,634
1365Darlington County, SCSC62,8883,627
1366Campbell County, TNTN40,2903,621
1367Orangeburg County, SCSC83,1773,621
1368Granville County, NCNC61,4213,609
1369Harvey County, KSKS33,5803,607
1370Itawamba County, MSMS24,1523,605
1371Pickens County, GAGA37,1673,590
1372Van Wert County, OHOH29,0133,589
1373Lafourche Parish, LALA95,5053,580
1374Montezuma County, COCO26,6783,580
1375Dorchester County, MDMD33,6283,580
1376Steuben County, ININ34,7993,573
1377Amherst County, VAVA31,9623,572
1378Upson County, GAGA28,5003,571
1379Geary County, KSKS36,3383,565
1380Brown County, SDSD37,5613,563
1381Lafayette County, WIWI17,4783,563
1382Wabasha County, MNMN21,5373,556
1383Jefferson County, KSKS18,2963,550
1384Anderson County, KYKY25,2253,542
1385Miller County, MOMO25,8173,538
1386Marion County, ARAR17,5933,532
1387Van Buren County, ARAR16,2383,531
1388Wayne County, GAGA32,4813,531
1389Antrim County, MIMI24,6983,531
1390Iron County, UTUT67,1413,527
1391McLeod County, MNMN36,6313,524
1392Kauai County, HIHI73,4003,521
1393Marshall County, MSMS34,6543,516
1394Oconto County, WIWI40,1953,515
1395Polk County, ARAR19,4863,512
1396Bedford County, TNTN55,2733,506
1397Douglas County, WAWA46,4733,506
1398Murray County, GAGA41,6073,497
1399Tishomingo County, MSMS18,6393,494
1400Vernon County, MOMO19,9463,493
1401Lincoln County, NMNM19,8443,489
1402Polk County, TNTN18,5923,464
1403Knox County, KYKY29,5323,458
1404Lee County, GAGA34,1793,454
1405Saline County, MOMO23,2653,451
1406Sequoyah County, OKOK40,8423,451
1407Cherokee County, ALAL26,4133,449
1408Monroe County, MSMS33,3183,448
1409Spencer County, ININ20,0613,446
1410Clay County, ININ26,4103,444
1411Boone County, IAIA26,7993,443
1412Wharton County, TXTX42,0603,440
1413Caddo County, OKOK26,1303,435
1414Cheboygan County, MIMI25,7933,427
1415Webster County, MOMO43,0543,422
1416Person County, NCNC40,6363,420
1417Garrett County, MDMD28,3703,420
1418Effingham County, ILIL34,5193,419
1419Russell County, VAVA25,3323,414
1420Clinton County, ININ33,3223,413
1421Vernon County, WIWI31,4433,410
1422Jackson County, OKOK24,7643,402
1423Medina County, TXTX56,8813,402
1424Churchill County, NVNV25,8513,398
1425Dubois County, ININ44,0163,394
1426Warren County, TNTN43,7173,392
1427Mingo County, WVWV21,4553,392
1428Meigs County, OHOH21,5873,391
1429Oceana County, MIMI27,1773,387
1430Mercer County, OHOH42,7373,384
1431Delta County, COCO32,1783,383
1432Montgomery County, ILIL28,0763,381
1433Hardin County, TNTN27,9833,381
1434Grayson County, KYKY27,4063,373
1435Jersey County, ILIL21,1603,363
1436McNairy County, TNTN26,2363,361
1437Louisa County, VAVA42,9243,358
1438Schuyler County, NYNY16,9243,340
1439Lee County, NCNC70,2583,339
1440Salem, VAVA25,8163,326
1441Beltrami County, MNMN47,0553,325
1442Wabash County, ININ30,7133,323
1443Union County, GAGA27,8593,323
1444Halifax County, NCNC46,5343,323
1445Wyoming County, WVWV19,8013,320
1446Audrain County, MOMO24,5283,309
1447Escambia County, ALAL36,6653,308
1448Ellis County, KSKS29,0753,306
1449Woodford County, KYKY27,8833,305
1450Washington County, IAIA22,6673,296
1451Elmore County, IDID29,4653,295
1452Aransas County, TXTX26,1463,290
1453Roscommon County, MIMI23,9143,288
1454White County, ININ25,1643,284
1455Atchison County, KSKS16,1723,281
1456Lake County, MTMT33,3923,280
1457Barren County, KYKY45,6413,277
1458Dent County, MOMO14,5843,270
1459Fulton County, ARAR12,4923,266
1460La Paz County, AZAZ16,7113,264
1461Elbert County, COCO30,5343,260
1462Henderson County, TNTN28,5183,258
1463New Madrid County, MOMO15,0863,257
1464Taylor County, FLFL21,2103,251
1465Isle of Wight County, VAVA41,3213,247
1466Currituck County, NCNC33,1583,243
1467Henry County, IAIA19,3493,236
1468Malheur County, OROR32,2613,235
1469Lawrence County, SDSD29,4593,235
1470Alexander County, NCNC36,9583,234
1471Jackson County, IAIA19,2883,233
1472Barton County, KSKS24,7903,228
1473Custer County, OKOK28,1753,227
1474Perry County, ILIL20,1603,226
1475Benton County, MNMN41,7443,222
1476Chambers County, TXTX57,5943,218
1477Boone County, WVWV20,2513,208
1478Ogemaw County, MIMI21,1213,205
1479Winneshiek County, IAIA19,7333,203
1480Baldwin County, GAGA44,0293,198
1481Plymouth County, IAIA25,6973,198
1482Alpena County, MIMI28,8533,195
1483Cherokee County, KSKS19,1053,179
1484Warren County, MSMS41,7593,172
1485Ouachita County, ARAR21,7313,166
1486Curry County, OROR22,6213,166
1487Asotin County, WAWA22,5453,166
1488Wayne County, KYKY19,5973,163
1489Mahaska County, IAIA21,8803,162
1490Shawano County, WIWI41,5603,161
1491Acadia Parish, LALA57,0323,156
1492Cass County, TXTX28,6513,154
1493Richland County, WIWI17,0363,154
1494Trinity County, CACA15,7203,143
1495Howard County, TXTX30,5043,137
1496Plumas County, CACA18,5833,133
1497Johnson County, ARAR26,2253,132
1498Tattnall County, GAGA24,3763,127
1499Chambers County, ALAL34,2533,125
1500Llano County, TXTX23,3533,112
SHOWING 1,001–1,500 OF 3,130
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UPDATED 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES