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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
2001Wayne County, MSMS19,8071,861
2002Johnson County, WYWY8,9081,861
2003Hart County, GAGA28,6391,860
2004Parke County, ININ16,6421,859
2005Luna County, NMNM25,4071,856
2006Letcher County, KYKY19,9521,852
2007Morris County, TXTX12,1331,848
2008Washburn County, WIWI17,0871,845
2009St. Bernard Parish, LALA45,6421,844
2010Kanabec County, MNMN16,6281,843
2011Bledsoe County, TNTN15,9201,843
2012Vermilion Parish, LALA57,6711,835
2013Poquoson, VAVA13,2921,834
2015Jim Wells County, TXTX38,8041,828
2016Sanders County, MTMT14,0621,825
2017Keokuk County, IAIA9,7971,824
2018Adair County, KYKY19,4231,824
2019Custer County, NENE10,5001,818
2020Cedar County, MOMO14,8881,818
2021Holmes County, FLFL20,1191,818
2022Red River County, TXTX11,8161,815
2023Sawyer County, WIWI18,8461,815
2024Smith County, MSMS13,9911,813
2025Bond County, ILIL16,9591,812
2026Stark County, NDND34,0131,811
2027Roosevelt County, NMNM18,6151,811
2028Nelson County, VAVA14,9201,809
2029Jefferson County, FLFL16,0071,807
2030Vermillion County, ININ15,4881,802
2031Yancey County, NCNC19,0841,800
2032Webb County, TXTX281,2241,800
2033Catahoula Parish, LALA8,2231,798
2034Choctaw County, MSMS8,0481,798
2035Otero County, COCO17,6831,798
2036Edgefield County, SCSC29,8081,795
2037Mono County, CACA12,5051,792
2038Oglethorpe County, GAGA16,4151,784
2039Pike County, ARAR9,9641,780
2040Patrick County, VAVA17,4241,777
2041Pocahontas County, WVWV7,6021,774
2042Noble County, OKOK10,8991,773
2043Moultrie County, ILIL14,3711,771
2044Monroe County, ALAL18,9651,769
2045Bell County, KYKY22,8291,764
2046Perry County, ARAR10,3091,763
2047Mississippi County, MOMO12,0031,758
2048Overton County, TNTN23,7871,758
2049Pickens County, ALAL18,2211,756
2050Comanche County, TXTX14,4321,754
2051Trinity County, TXTX14,3841,753
2052Kingfisher County, OKOK15,7951,750
2053Ashland County, WIWI16,2031,750
2054Clay County, ILIL12,7931,750
2055Covington County, MSMS17,8981,747
2056Yazoo County, MSMS22,9471,747
2057Chattahoochee County, GAGA8,4651,747
2058Hamilton County, ILIL7,8591,747
2059St. Francis County, ARAR21,8001,746
2060Marion County, SCSC28,2421,746
2061Latimer County, OKOK9,6451,742
2062Gallatin County, KYKY8,8401,740
2063Washita County, OKOK10,8841,739
2064Marshall County, OKOK16,2551,736
2065Douglas County, MOMO12,3421,732
2066Archuleta County, COCO14,3061,732
2067Beadle County, SDSD19,6241,727
2068Bracken County, KYKY8,5111,726
2069Wilson County, KSKS8,2991,726
2070Modoc County, CACA8,4261,725
2071Murray County, OKOK13,8051,725
2072Prince Edward County, VAVA22,3911,725
2073Cherokee County, IAIA11,3691,725
2074Floyd County, IAIA14,9011,725
2075Iberville Parish, LALA29,5791,720
2076Scotland County, NCNC33,3221,720
2077Halifax County, VAVA33,4471,718
2078Palo Alto County, IAIA8,8991,717
2079Caldwell County, KYKY12,6091,715
2080Jefferson Davis Parish, LALA31,4711,714
2081Taylor County, WIWI20,1181,714
2082Gooding County, IDID16,4461,713
2083Winston County, MSMS17,4731,710
2084Dillon County, SCSC27,4581,710
2085Perry County, MOMO19,0931,709
2086Lewis County, KYKY12,9011,707
2087Towns County, GAGA13,2851,705
2088Skamania County, WAWA12,6691,704
2089Koochiching County, MNMN11,5871,691
2090Butler County, IAIA14,0491,691
2091Jasper County, SCSC38,5331,689
2092Clay County, WVWV7,5381,687
2093Cross County, ARAR16,1861,684
2094Clay County, KYKY19,4651,681
2095Garvin County, OKOK26,3771,679
2096Appling County, GAGA19,1001,679
2097Crockett County, TNTN14,0061,677
2098Fentress County, TNTN20,3221,675
2099Cook County, GAGA18,2321,675
2100Pemiscot County, MOMO14,4651,673
2101Green Lake County, WIWI19,3051,673
2102Jasper County, GAGA17,6321,671
2103Decatur County, TNTN11,8201,663
2104Pulaski County, ININ12,4631,656
2105Wayne County, ILIL15,8821,654
2106Hughes County, SDSD17,5701,652
2107Falls County, TXTX17,8691,649
2108Lee County, TXTX18,7291,649
2109Linn County, KSKS9,9501,646
2110Goochland County, VAVA29,1871,640
2111Butte County, SDSD10,8561,638
2112Moore County, TXTX21,8911,638
2113Monroe County, IAIA7,4061,638
2114Falls Church, VAVA15,1591,633
2115Amite County, MSMS12,4871,631
2116Benewah County, IDID10,5081,631
2117Lamar County, ALAL13,5871,630
2118Robertson County, TXTX17,8391,629
2119Emanuel County, GAGA23,1471,627
2120Lewis County, WVWV16,3941,622
2121Henry County, ALAL18,3941,622
2122Russell County, KYKY18,6081,622
2123Carbon County, MTMT11,4661,620
2124Calhoun County, WVWV5,9781,618
2125Monona County, IAIA8,5391,618
2126Larue County, KYKY15,1841,613
2127Bladen County, NCNC30,0071,611
2128Saluda County, SCSC19,6801,611
2129Lincoln County, ARAR12,7641,610
2130Carroll County, KYKY11,1411,610
2131Toombs County, GAGA27,5451,608
2132Pamlico County, NCNC12,7581,604
2133Colusa County, CACA21,8361,600
2134Lawrence County, ILIL13,7901,598
2135Las Animas County, COCO14,3911,596
2136Mathews County, VAVA8,5291,588
2137Hardee County, FLFL25,9321,588
2138Barbour County, ALAL24,6071,586
2139Montgomery County, ARAR8,5791,585
2140Searcy County, ARAR7,8481,583
2141Clarke County, MSMS15,1021,583
2142Decatur County, GAGA29,4321,579
2143Johnston County, OKOK10,4481,578
2144Dinwiddie County, VAVA28,8961,578
2145McIntosh County, GAGA11,9891,574
2146Chickasaw County, IAIA11,6631,574
2147Santa Cruz County, AZAZ50,0201,573
2148Blanco County, TXTX13,5811,572
2149Kleberg County, TXTX30,3151,570
2150Lamar County, GAGA20,9411,569
2151Union County, KYKY12,8391,560
2152Bourbon County, KSKS14,3191,560
2153Evangeline Parish, LALA31,9801,558
2154Grayson County, VAVA15,2301,557
2155Clearwater County, IDID9,1181,556
2156Scurry County, TXTX16,1621,556
2157Carbon County, UTUT20,6801,556
2158Greene County, IAIA8,6581,555
2159Tipton County, ININ15,3191,551
2160Peach County, GAGA29,8771,549
2161Grenada County, MSMS20,8681,546
2162Marshall County, KSKS9,8521,545
2163Rusk County, WIWI14,1461,544
2164Howard County, IAIA9,4151,543
2165Osage County, MOMO13,6111,542
2166Alamosa County, COCO16,6881,541
2167Live Oak County, TXTX11,9291,538
2168Iron County, MOMO9,3181,536
2169Lincoln County, WAWA11,9821,536
2170Hendry County, FLFL48,2761,534
2171Shelby County, IAIA11,6891,534
2172Clay County, MSMS18,2381,533
2173Saline County, NENE14,9961,533
2174Mason County, ILIL12,4111,533
2175Ritchie County, WVWV8,0341,532
2176Val Verde County, TXTX47,8351,531
2177Grundy County, MOMO9,7441,530
2178Ketchikan Gateway, AKAK13,5491,528
2179Richland Parish, LALA19,5821,524
2180Otoe County, NENE16,5311,523
2181Lake County, OROR8,1871,523
2182Northumberland County, VAVA12,5571,514
2183Marengo County, ALAL18,3111,512
2184Stutsman County, NDND21,4141,511
2185Brown County, MNMN25,5171,510
2186Lucas County, IAIA8,8471,509
2187Webster County, KYKY12,9291,508
2188Banks County, GAGA21,2731,508
2189Harrison County, MOMO8,2811,506
2190Bienville Parish, LALA12,2691,504
2191Platte County, WYWY8,6341,499
2192Washington County, IDID11,5831,499
2193Montmorency County, MIMI9,8421,496
2194Sanpete County, UTUT31,4531,496
2195Hickory County, MOMO9,0441,495
2196Benton County, ININ8,8831,495
2197Richland County, ILIL15,2191,491
2198Maries County, MOMO8,3971,490
2199Colorado County, TXTX21,4391,489
2200Jerome County, IDID26,3621,487
2201Brown County, KSKS9,1041,487
2202Montgomery County, IAIA10,0021,484
2203Alcona County, MIMI10,5561,482
2204Butler County, ALAL18,1001,479
2205Hamilton County, TXTX8,6801,476
2206Estill County, KYKY13,9621,476
2207Claiborne Parish, LALA13,3541,474
2208Fergus County, MTMT11,8251,474
2209East Feliciana Parish, LALA18,9111,473
2210Ben Hill County, GAGA17,0991,469
2211Perry County, MSMS11,5771,468
2212Anson County, NCNC21,7581,468
2213Guthrie County, IAIA10,7821,468
2214Johnson County, ILIL13,3631,467
2215Cibola County, NMNM26,8071,461
2216Adair County, OKOK19,8281,460
2217Nolan County, TXTX14,1171,459
2218Cannon County, TNTN15,2961,457
2219Coffey County, KSKS8,4671,457
2220St. Martin Parish, LALA51,1061,451
2221Montgomery County, MOMO11,5901,451
2222Webster County, WVWV7,7601,451
2223Prowers County, COCO11,8841,450
2224Cass County, ILIL12,4631,449
2225Gogebic County, MIMI14,2851,448
2226Andrews County, TXTX18,9141,448
2227Cleveland County, ARAR7,2241,447
2228Chickasaw County, MSMS16,7301,442
2229Jones County, NCNC9,5751,438
2230Seward County, NENE18,0321,435
2231Magoffin County, KYKY11,1101,435
2232Madison County, MTMT10,0261,432
2233Faribault County, MNMN13,8881,430
2234Camp County, TXTX13,3801,429
2235Middlesex County, VAVA10,8411,429
2236Emmet County, IAIA9,1071,428
2237Todd County, KYKY12,9721,421
2238Phillips County, ARAR14,2551,418
2239Morton County, NDND34,6011,416
2240Clear Creek County, COCO8,9941,414
2241Marion County, TXTX9,8961,410
2242Nemaha County, KSKS10,0541,409
2243Beaverhead County, MTMT10,0431,406
2244Ozark County, MOMO9,1721,403
2245Louisa County, IAIA10,4161,400
2246Sibley County, MNMN15,3561,399
2247Howard County, MOMO10,1801,398
2248Long County, GAGA21,5571,395
2249Wayne County, NENE10,0201,389
2250Nobles County, MNMN22,3381,387
2251Dawson County, MTMT8,6921,385
2252Ballard County, KYKY7,5941,385
2253Bayfield County, WIWI16,7871,383
2254Screven County, GAGA14,4081,383
2255Richardson County, NENE7,5301,379
2256Pratt County, KSKS9,1171,377
2257Archer County, TXTX9,1291,372
2258Switzerland County, ININ10,0371,372
2259King William County, VAVA19,6171,368
2260Mitchell County, GAGA20,4671,367
2261Lake County, SDSD10,9931,366
2262Hardy County, WVWV14,3371,364
2263Weston County, WYWY6,8401,364
2264Keith County, NENE8,1001,360
2265Heard County, GAGA12,1491,359
2266Hampton County, SCSC18,1741,357
2267Powell County, MTMT7,1571,353
2268Doddridge County, WVWV7,6341,353
2269Mackinac County, MIMI11,2361,352
2270Calhoun County, IAIA9,5621,352
2271Oregon County, MOMO8,7091,349
2272Brooks County, GAGA16,1011,348
2273Uvalde County, TXTX24,9631,344
2274Trimble County, KYKY8,7011,342
2275Wadena County, MNMN14,3881,339
2276Dawes County, NENE7,8581,339
2277Colfax County, NMNM12,1841,335
2278Atkinson County, GAGA8,4541,335
2279Sullivan County, PAPA5,8561,332
2280Mitchell County, IAIA10,6501,332
2281Appomattox County, VAVA17,1721,324
2282Gallatin County, ILIL4,6161,323
2283Presque Isle County, MIMI13,1281,322
2284Lanier County, GAGA10,6231,320
2285Lake County, MIMI13,1821,318
2286Oscoda County, MIMI8,7231,317
2287Rice County, KSKS9,2661,317
2288Carroll County, MOMO8,4171,316
2289Renville County, MNMN14,3561,316
2290Swain County, NCNC14,0241,316
2291Lincoln County, WYWY21,1801,314
2292Lawrence County, MSMS11,8191,311
2293Powell County, KYKY12,8121,310
2294Franklin County, TXTX10,9941,309
2295Decatur County, IAIA7,6551,308
2296Caldwell County, MOMO9,0121,307
2297Anderson County, KSKS8,0181,302
2298Cumberland County, ILIL10,2081,300
2299Jefferson County, IDID35,2971,299
2300Forest County, WIWI9,5741,296
2301Edmonson County, KYKY12,7491,295
2302McDuffie County, GAGA21,6401,295
2303Seward County, KSKS21,0731,292
2304Fairfield County, SCSC20,3401,291
2305Haywood County, TNTN17,0421,290
2306Dade County, MOMO7,8041,289
2307Calhoun County, SCSC14,1881,286
2308Tillman County, OKOK6,7801,283
2309Lyon County, KYKY9,1231,283
2310Marlboro County, SCSC25,4881,277
2311Washington County, KYKY12,3681,275
2312Kewaunee County, WIWI20,7581,273
2313Minidoka County, IDID22,9111,273
2314Coahoma County, MSMS19,8491,269
2315Rappahannock County, VAVA7,4391,267
2316Kiowa County, OKOK8,1811,264
2317Stillwater County, MTMT9,4451,264
2318Red River Parish, LALA7,1651,262
2319Crawford County, GAGA12,2061,262
2320Valley County, IDID12,8311,261
2321Clarke County, IAIA9,5741,260
2322Burleson County, TXTX20,5491,260
2323Evans County, GAGA11,0281,257
2324Southampton County, VAVA18,1101,256
2325Casey County, KYKY16,2051,252
2326Gilmer County, WVWV7,0851,251
2327Clay County, NCNC12,2391,247
2328Doniphan County, KSKS7,5941,239
2329Chippewa County, MNMN12,4061,236
2330Yuma County, COCO9,8961,236
2331Richland County, MTMT11,3771,235
2333Caldwell Parish, LALA9,3441,233
2334Sac County, IAIA9,5251,233
2335Metcalfe County, KYKY10,5831,233
2336Reynolds County, MOMO5,9921,229
2337Elbert County, GAGA20,0721,227
2338Sunflower County, MSMS22,8931,223
2339Teton County, IDID13,2541,222
2340Barton County, MOMO11,7951,221
2341Ralls County, MOMO10,4441,220
2342Graham County, NCNC8,1901,220
2343Vance County, NCNC42,6381,214
2344Jasper County, MSMS15,7851,212
2345Lancaster County, VAVA10,9951,212
2346Adams County, WAWA21,4881,212
2347Crittenden County, KYKY8,8071,210
2348Chowan County, NCNC14,0821,208
2349Boundary County, IDID13,9971,204
2350Crenshaw County, ALAL13,1751,203
2351Lewis County, MOMO9,8791,203
2352Northampton County, NCNC16,4911,200
2353Union County, ININ6,8631,197
2354Glades County, FLFL13,2701,195
2355Morrow County, OROR12,6021,192
2356Breathitt County, KYKY12,5581,192
2357Walthall County, MSMS13,9281,191
2358Tyler County, WVWV7,8811,189
2359Marion County, KSKS11,6341,188
2360Martin County, NCNC21,6011,187
2361Simpson County, KYKY20,7881,187
2362Big Horn County, WYWY12,0241,185
2363Fremont County, IAIA6,5221,182
2364Jackson County, KYKY13,3251,181
2365Amelia County, VAVA13,6321,180
2366Pleasants County, WVWV7,3381,179
2367Runnels County, TXTX9,6931,177
2368Clay County, TXTX10,7641,168
2369Somervell County, TXTX10,2611,167
2370Hardin County, ILIL3,5881,165
2371Wilbarger County, TXTX12,4811,163
2372Livingston County, KYKY8,8631,161
2373Richland County, NDND16,7311,160
2374Stephens County, TXTX9,3801,160
2375Cheyenne County, NENE9,5281,160
2376Price County, WIWI13,9881,159
2377Clark County, MOMO6,4751,158
2378Martin County, KYKY10,6971,157
2379Kodiak Island, AKAK12,3871,155
2380Deaf Smith County, TXTX18,6261,151
2381Hamilton County, NENE9,6781,150
2382Butler County, KYKY12,5201,147
2383Lake County, MNMN10,7461,145
2384Burt County, NENE6,6781,145
2385Chicot County, ARAR9,1071,143
2386Greene County, MSMS13,7071,141
2387Green County, KYKY11,6441,140
2388Greenwood County, KSKS5,8261,139
2389Greer County, OKOK5,3731,135
2390Gaines County, TXTX23,9561,135
2391Cassia County, IDID26,3971,133
2392Candler County, GAGA11,2751,132
2393Montgomery County, MSMS9,3541,129
2394Menifee County, KYKY6,4301,129
2395Pershing County, NVNV6,4211,129
2396Monroe County, ARAR6,2441,126
2397Greene County, NCNC20,7001,124
2398Tucker County, WVWV6,5401,123
2399Camden County, NCNC11,3151,120
2400Tallahatchie County, MSMS10,8771,117
2401Hamilton County, NYNY5,0061,117
2402McKinley County, NMNM68,1191,113
2403Seminole County, GAGA9,1621,111
2404Knott County, KYKY13,3211,111
2405Coleman County, TXTX7,9151,108
2406Grant County, WVWV11,0411,107
2407Newton County, ARAR7,0261,106
2408Roseau County, MNMN15,2461,106
2409Shannon County, MOMO7,2851,106
2410San Miguel County, NMNM26,2601,104
2411Alger County, MIMI8,6411,103
2412Harney County, OROR7,3801,102
2413Jeff Davis County, GAGA15,2191,095
2414Humboldt County, IAIA9,4091,095
2415Ida County, IAIA6,7771,092
2416Yalobusha County, MSMS12,3751,089
2417Franklin County, IAIA9,8681,089
2418West Feliciana Parish, LALA15,1341,088
2419Lexington, VAVA7,7691,088
2420Madison County, TXTX14,2261,086
2421Phelps County, NENE8,9941,084
2422Rio Arriba County, NMNM39,8321,083
2423Cloud County, KSKS8,8331,081
2424Barnwell County, SCSC20,6531,079
2425Henderson County, ILIL5,9841,079
2426Emery County, UTUT10,1771,079
2427Russell County, KSKS6,5811,077
2428Nemaha County, NENE7,1021,074
2429Owyhee County, IDID12,6611,074
2430Blaine County, OKOK8,5151,073
2431Jasper County, ILIL9,0321,070
2432St. Helena Parish, LALA10,7581,070
2433Walsh County, NDND10,1791,065
2434Rio Blanco County, COCO6,6831,065
2435Pennington County, MNMN13,6861,063
2436Custer County, SDSD9,4311,060
2437Benton County, MSMS7,5021,054
2438Davis County, IAIA9,2301,050
2439Van Buren County, IAIA7,1311,050
2440Sublette County, WYWY8,9291,049
2441Thomas County, KSKS7,7251,049
2442Hancock County, IAIA10,5281,043
2443Jackson County, TNTN12,4661,040
2444San Miguel County, COCO7,7531,036
2445Essex County, VAVA10,6541,033
2446O'Brien County, IAIA14,2201,032
2447Hertford County, NCNC19,0151,028
2448West Carroll Parish, LALA9,1561,026
2449Haskell County, OKOK11,7871,024
2450Martinsville, VAVA13,8491,024
2451Sitka, AKAK8,3191,023
2452Swift County, MNMN9,7631,022
2453Lemhi County, IDID8,4741,019
2454White Pine County, NVNV8,6611,017
2455Ochiltree County, TXTX9,2841,017
2456Sevier County, UTUT22,8271,017
2457Taylor County, IAIA5,8351,016
2458Wabash County, ILIL10,9071,016
2459Monroe County, MOMO8,9591,012
2460Ouray County, COCO5,2651,012
2461Grand Isle County, VTVT7,5111,011
2462Wabaunsee County, KSKS7,0181,010
2463Pope County, MNMN11,4201,009
2464Carson County, TXTX5,8051,008
2465Wallowa County, OROR7,5951,007
2466Antelope County, NENE6,3521,006
2467Essex County, VTVT6,0511,005
2468Leflore County, MSMS25,6861,002
2469Putnam County, ILIL5,6191,000
2470Rio Grande County, COCO11,087998
2471Iron County, MIMI11,757997
2472Forest County, PAPA6,614997
2473Franklin County, MSMS7,491993
2474San Saba County, TXTX5,787989
2475Prairie County, ARAR7,923987
2476Fremont County, IDID14,208987
2477Dixon County, NENE5,602986
2478Trousdale County, TNTN12,623986
2479Grand County, UTUT9,790983
2480Choctaw County, ALAL11,904981
2481Crook County, WYWY7,852980
2482Adair County, IAIA7,403979
2483Woods County, OKOK8,443977
2484Kingman County, KSKS7,029976
2485Perry County, TNTN9,126970
2486Chariton County, MOMO7,377969
2487Boone County, NENE5,355968
2488Buffalo County, WIWI13,318968
2489Refugio County, TXTX6,657967
2490Clay County, KSKS7,990967
2491Washakie County, WYWY7,597966
2492Delta County, TXTX5,549962
2493Hartley County, TXTX4,904962
2494Manassas Park, VAVA16,560960
2495Lafayette County, FLFL8,792957
2496Glacier County, MTMT13,463955
2497Sierra County, NMNM11,395953
2498Lyon County, IAIA12,354951
2499Pocahontas County, IAIA6,819946
2500Stark County, ILIL5,319942
SHOWING 2,001–2,500 OF 3,130
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UPDATED 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES