RANKING · 2020 CENSUS · 500 SHOWN OF 3,134

Largest Irish population, US counties · 2020

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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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 2000

2001Vinton County, OHOH12,6451,449–

2002Carter County, KYKY26,1491,448–

2003Stewart County, TNTN14,4391,446–

2004Lawrence County, ILIL13,7901,446–

2005Hamilton County, IAIA14,9441,446–

2006Drew County, ARAR17,0541,445–

2007Greene County, MSMS13,7071,445–

2008Benton County, TNTN16,1831,444–

2009Accomack County, VAVA33,8591,442–

2010Burnett County, WIWI17,2231,442–

2011Carbon County, UTUT20,6801,438–

2012Fayette County, ALAL15,8721,437–

2013Alcona County, MIMI10,5561,437–

2014Renville County, MNMN14,3561,437–

2015Baker County, OROR16,6581,430–

2016Morgan County, KYKY14,4151,430–

2017Howard County, ARAR12,3061,429–

2018Glades County, FLFL13,2701,428–

2019Cass County, TXTX28,6511,425–

2020Hockley County, TXTX21,6001,425–

2021Livingston County, MOMO14,7081,424–

2022Fergus County, MTMT11,8251,424–

2023Montgomery County, MOMO11,5901,422–

2024Bayfield County, WIWI16,7871,419–

2025Dallas County, MOMO18,0251,418–

2026Bolivar County, MSMS28,2621,416–

2027Hickory County, MOMO9,0441,415–

2028Todd County, MNMN26,0601,413–

2029Northumberland County, VAVA12,5571,412–

2030Kewaunee County, WIWI20,7581,401–

2031Neshoba County, MSMS28,7321,399–

2032Edgecombe County, NCNC49,1211,399–

2033Lewis County, TNTN13,4871,399–

2034Trinity County, CACA15,7201,398–

2035Pend Oreille County, WAWA14,4571,398–

2036Caldwell Parish, LALA9,3441,396–

2037Murray County, OKOK13,8051,395–

2038Hamilton County, NENE9,6781,393–

2039Lee County, TXTX18,7291,392–

2040St. Landry Parish, LALA80,7651,390–

2041Noble County, OKOK10,8991,388–

2042Ouachita County, ARAR21,7311,387–

2043Rusk County, WIWI14,1461,386–

2044Gulf County, FLFL15,9431,381–

2045Meriwether County, GAGA21,5161,381–

2046Martin County, KYKY10,6971,380–

2047Sibley County, MNMN15,3561,377–

2048Cook County, GAGA18,2321,376–

2049Martin County, ININ9,8561,374–

2050Tipton County, ININ15,3191,374–

2051Pike County, ALAL33,6881,371–

2052Clay County, NCNC12,2391,371–

2053Guthrie County, IAIA10,7821,371–

2054Bath County, KYKY13,1761,369–

2055Washington County, MSMS40,4461,368–

2056Estill County, KYKY13,9621,362–

2057Roane County, WVWV13,3171,361–

2058Torrance County, NMNM16,1001,360–

2059Vance County, NCNC42,6381,360–

2060Madison County, TXTX14,2261,360–

2061Kodiak Island, AKAK12,3871,358–

2062Pike County, ININ12,0031,356–

2063McIntosh County, GAGA11,9891,351–

2064Barbour County, ALAL24,6071,350–

2065Trousdale County, TNTN12,6231,350–

2066Shelby County, ILIL20,5761,350–

2067Greene County, ILIL11,3131,347–

2068Crawford County, IAIA16,2371,342–

2069Koochiching County, MNMN11,5871,341–

2070Maries County, MOMO8,3971,341–

2071Powell County, MTMT7,1571,338–

2072Middlesex County, VAVA10,8411,337–

2073Gonzales County, TXTX20,1591,336–

2074Perquimans County, NCNC13,4901,335–

2075Washita County, OKOK10,8841,334–

2076Floyd County, VAVA15,7891,332–

2077Monona County, IAIA8,5391,332–

2078Leake County, MSMS21,6621,331–

2079Cloud County, KSKS8,8331,331–

2080Russell County, KYKY18,6081,331–

2081Washington County, ILIL13,5641,328–

2082Taylor County, WIWI20,1181,326–

2083Burke County, GAGA24,4081,325–

2084Jasper County, GAGA17,6321,325–

2085Crockett County, TNTN14,0061,324–

2086Skamania County, WAWA12,6691,322–

2087Marshall County, KSKS9,8521,321–

2088Hardee County, FLFL25,9321,317–

2089Big Horn County, WYWY12,0241,316–

2090Greene County, GAGA21,3671,316–

2091Kiowa County, OKOK8,1811,315–

2092Pike County, ILIL14,2311,314–

2093Barton County, MOMO11,7951,313–

2094Bienville Parish, LALA12,2691,311–

2095Moultrie County, ILIL14,3711,310–

2096Crittenden County, KYKY8,8071,309–

2097Custer County, NENE10,5001,305–

2098Oregon County, MOMO8,7091,303–

2099Heard County, GAGA12,1491,303–

2100Butler County, IAIA14,0491,297–

2101Kingfisher County, OKOK15,7951,296–

2102Montmorency County, MIMI9,8421,292–

2103Dawson County, MTMT8,6921,292–

2104Yell County, ARAR19,9561,291–

2105Jim Wells County, TXTX38,8041,289–

2106Lanier County, GAGA10,6231,289–

2107Trimble County, KYKY8,7011,285–

2108Roosevelt County, NMNM18,6151,285–

2109Yazoo County, MSMS22,9471,284–

2110Greene County, NCNC20,7001,284–

2111Choctaw County, OKOK14,0591,284–

2112Dinwiddie County, VAVA28,8961,282–

2113Greene County, IAIA8,6581,281–

2114Clay County, KSKS7,9901,279–

2115Columbia County, ARAR21,8941,277–

2116Iron County, MOMO9,3181,277–

2117Lamar County, ALAL13,5871,275–

2118Ketchikan Gateway, AKAK13,5491,275–

2119Adams County, MSMS30,0611,275–

2120Wayne County, MSMS19,8071,275–

2121Elbert County, GAGA20,0721,273–

2122Price County, WIWI13,9881,270–

2123Pamlico County, NCNC12,7581,268–

2124Ashland County, WIWI16,2031,266–

2125St. John the Baptist Parish, LALA39,8751,265–

2126Webb County, TXTX281,2241,258–

2127Madison County, MOMO12,8581,255–

2128Perry County, ARAR10,3091,253–

2129Lake County, MIMI13,1821,253–

2130McDonald County, MOMO23,9921,250–

2131Faribault County, MNMN13,8881,246–

2132Cibola County, NMNM26,8071,246–

2133Yuma County, COCO9,8961,246–

2134Lawrence County, KYKY15,7651,246–

2135Rains County, TXTX13,5421,245–

2136Marengo County, ALAL18,3111,242–

2137Washington County, KYKY12,3681,241–

2138Robertson County, TXTX17,8391,241–

2139Washington County, IDID11,5831,240–

2140Gooding County, IDID16,4461,238–

2141Cass County, ILIL12,4631,238–

2142Scurry County, TXTX16,1621,237–

2143Wabash County, ILIL10,9071,237–

2144Union County, KYKY12,8391,236–

2145Webster County, KYKY12,9291,234–

2146Charlton County, GAGA13,1211,232–

2147Sanders County, MTMT14,0621,231–

2148Long County, GAGA21,5571,228–

2149Colfax County, NMNM12,1841,227–

2150Halifax County, VAVA33,4471,224–

2151Comanche County, TXTX14,4321,223–

2152Falls County, TXTX17,8691,221–

2153Magoffin County, KYKY11,1101,218–

2154Patrick County, VAVA17,4241,216–

2155Holmes County, FLFL20,1191,210–

2156Pocahontas County, WVWV7,6021,209–

2157Wright County, IAIA12,8011,209–

2158Cross County, ARAR16,1861,207–

2159Pickens County, ALAL18,2211,205–

2160Mitchell County, IAIA10,6501,203–

2161Sullivan County, PAPA5,8561,199–

2162Saluda County, SCSC19,6801,199–

2163Ferry County, WAWA7,5171,198–

2164Sevier County, UTUT22,8271,196–

2165Henry County, ALAL18,3941,195–

2166Trigg County, KYKY14,5121,195–

2167Cheyenne County, NENE9,5281,195–

2168Anson County, NCNC21,7581,194–

2169Richland County, NDND16,7311,194–

2170Owen County, KYKY11,6011,193–

2171Clearwater County, IDID9,1181,192–

2172Lake County, OROR8,1871,191–

2173Box Butte County, NENE10,4941,190–

2174McCreary County, KYKY17,1241,190–

2175Rice County, KSKS9,2661,188–

2176Hancock County, KYKY9,0501,187–

2177Humboldt County, IAIA9,4091,180–

2178Sublette County, WYWY8,9291,177–

2179Las Animas County, COCO14,3911,177–

2180Ralls County, MOMO10,4441,175–

2181Sierra County, NMNM11,3951,171–

2182Peach County, GAGA29,8771,171–

2183Emery County, UTUT10,1771,170–

2184Calhoun County, IAIA9,5621,167–

2185Louisa County, IAIA10,4161,167–

2186Carbon County, MTMT11,4661,166–

2187Ritchie County, WVWV8,0341,165–

2188Pocahontas County, IAIA6,8191,162–

2189Benton County, ININ8,8831,160–

2190Washington County, GAGA19,4531,158–

2191Custer County, SDSD9,4311,157–

2192Scott County, MSMS28,0731,156–

2193Saline County, NENE14,9961,156–

2194Powell County, KYKY12,8121,153–

2195Lake County, SDSD10,9931,151–

2196Jefferson County, FLFL16,0071,150–

2197Houston County, TNTN8,4791,146–

2198Carroll County, KYKY11,1411,143–

2199Jackson County, TXTX15,3931,142–

2200Marion County, KSKS11,6341,142–

2201Pennington County, MNMN13,6861,140–

2202Colorado County, TXTX21,4391,138–

2203Fall River County, SDSD7,4671,136–

2204Modoc County, CACA8,4261,132–

2205Bollinger County, MOMO10,6461,132–

2206Montgomery County, IAIA10,0021,131–

2207Lake County, MNMN10,7461,130–

2208Scott County, ARAR9,9651,128–

2209Emanuel County, GAGA23,1471,125–

2210Sitka, AKAK8,3191,122–

2211Benewah County, IDID10,5081,122–

2212Pike County, ARAR9,9641,121–

2213Dickenson County, VAVA13,2361,121–

2214Brooks County, GAGA16,1011,121–

2215Searcy County, ARAR7,8481,119–

2216Stephens County, TXTX9,3801,119–

2217Buckingham County, VAVA17,1371,116–

2218Southampton County, VAVA18,1101,115–

2219Sabine County, TXTX10,0121,114–

2220Teton County, IDID13,2541,114–

2221Lucas County, IAIA8,8471,113–

2222Montgomery County, ARAR8,5791,112–

2223Switzerland County, ININ10,0371,112–

2224Copiah County, MSMS27,4971,111–

2225Marion County, MSMS24,0011,105–

2226Monroe County, MOMO8,9591,105–

2227Dillon County, SCSC27,4581,101–

2228Adair County, OKOK19,8281,100–

2229Minidoka County, IDID22,9111,100–

2230Decatur County, TNTN11,8201,098–

2231Essex County, VTVT6,0511,098–

2232Clay County, WVWV7,5381,095–

2233Edmonson County, KYKY12,7491,095–

2234Yalobusha County, MSMS12,3751,090–

2235Washington County, ALAL14,8221,086–

2236Union County, IAIA11,8291,086–

2237Forest County, WIWI9,5741,085–

2238Sumter County, GAGA28,8011,083–

2239Camden County, NCNC11,3151,081–

2240Teton County, MTMT6,4961,080–

2241Ashley County, ARAR17,8311,079–

2242Camp County, TXTX13,3801,079–

2243Bacon County, GAGA11,0701,077–

2244Burt County, NENE6,6781,077–

2245Franklin County, TXTX10,9941,075–

2246Presque Isle County, MIMI13,1281,072–

2247Marlboro County, SCSC25,4881,072–

2248Broadwater County, MTMT8,4931,071–

2249Stillwater County, MTMT9,4451,071–

2250Wadena County, MNMN14,3881,070–

2251Amite County, MSMS12,4871,070–

2252Jeff Davis County, GAGA15,2191,069–

2253Madison County, FLFL18,7591,068–

2254Coffey County, KSKS8,4671,067–

2255Adair County, IAIA7,4031,066–

2256Hopewell, VAVA23,2611,064–

2257Mitchell County, GAGA20,4671,061–

2258Grant Parish, LALA22,0751,058–

2259Hamilton County, ILIL7,8591,057–

2260Rappahannock County, VAVA7,4391,055–

2261Crenshaw County, ALAL13,1751,053–

2262McKenzie County, NDND15,1921,053–

2263Gallatin County, KYKY8,8401,053–

2264Buchanan County, VAVA18,4921,052–

2265Eastland County, TXTX18,1431,051–

2266Reynolds County, MOMO5,9921,050–

2267Mackinac County, MIMI11,2361,049–

2268San Miguel County, COCO7,7531,049–

2269Richardson County, NENE7,5301,047–

2270Lamar County, GAGA20,9411,047–

2271Linn County, MOMO11,8151,045–

2272Texas County, OKOK20,3221,043–

2273Pierce County, GAGA20,7641,042–

2274Winston County, MSMS17,4731,041–

2275Howard County, IAIA9,4151,041–

2276Webster County, MSMS10,1671,039–

2277Titus County, TXTX31,5631,038–

2278Bracken County, KYKY8,5111,037–

2279Johnson County, ILIL13,3631,036–

2280Santa Cruz County, AZAZ50,0201,035–

2281Clay County, KYKY19,4651,033–

2282Cumberland County, ILIL10,2081,032–

2283San Augustine County, TXTX7,7221,030–

2284Karnes County, TXTX15,0181,029–

2285Butler County, ALAL18,1001,028–

2286Rio Blanco County, COCO6,6831,026–

2287St. Francis County, ARAR21,8001,024–

2288Grand Isle County, VTVT7,5111,024–

2289Calhoun County, WVWV5,9781,023–

2290Luna County, NMNM25,4071,022–

2291Pratt County, KSKS9,1171,020–

2292Grundy County, IAIA12,3611,018–

2293Ben Hill County, GAGA17,0991,017–

2294Manassas Park, VAVA16,5601,017–

2295Jackson County, TNTN12,4661,013–

2296Fremont County, IDID14,2081,012–

2297Cherokee County, IAIA11,3691,012–

2298Davis County, IAIA9,2301,009–

2299Lexington, VAVA7,7691,009–

2300Hardy County, WVWV14,3371,007–

2301Chugach Census Area, AKAK6,5531,003–

2302Poquoson, VAVA13,2921,003–

2303Pershing County, NVNV6,4211,003–

2304Simpson County, MSMS25,4981,000–

2305Ozark County, MOMO9,172999–

2306Smith County, MSMS13,991996–

2307Gilpin County, COCO6,073996–

2308Cassia County, IDID26,397994–

2309Catahoula Parish, LALA8,223987–

2310Rosebud County, MTMT8,253987–

2311Clarke County, ALAL22,014985–

2312Appling County, GAGA19,100985–

2313Wilson County, KSKS8,299985–

2314Hancock County, IAIA10,528980–

2315Runnels County, TXTX9,693978–

2316Clay County, TXTX10,764975–

2317McDuffie County, GAGA21,640975–

2318Pointe Coupee Parish, LALA19,520970–

2319Nobles County, MNMN22,338969–

2320Leslie County, KYKY9,627969–

2321Red Willow County, NENE10,307963–

2322Evangeline Parish, LALA31,980962–

2323Clarke County, MSMS15,102962–

2324Boundary County, IDID13,997962–

2325Liberty County, FLFL8,035958–

2326Elliott County, KYKY7,265957–

2327Swain County, NCNC14,024956–

2328Hamilton County, TXTX8,680955–

2329Seward County, KSKS21,073954–

2330Keith County, NENE8,100950–

2331Carter County, MOMO5,418949–

2332Moore County, TXTX21,891948–

2333Redwood County, MNMN15,265946–

2334Sac County, IAIA9,525946–

2335Tillman County, OKOK6,780945–

2336Gallatin County, ILIL4,616945–

2337Jasper County, ILIL9,032945–

2338Covington County, MSMS17,898943–

2339Mississippi County, MOMO12,003942–

2340Clarke County, IAIA9,574941–

2341Livingston County, KYKY8,863940–

2342Nemaha County, KSKS10,054935–

2343Dawes County, NENE7,858934–

2344Grenada County, MSMS20,868933–

2345Love County, OKOK10,780931–

2346Van Buren County, IAIA7,131929–

2347Howard County, MOMO10,180924–

2348Tucker County, WVWV6,540920–

2349Appomattox County, VAVA17,172918–

2350Hertford County, NCNC19,015918–

2351Harrison County, MOMO8,281915–

2352East Feliciana Parish, LALA18,911913–

2353Val Verde County, TXTX47,835913–

2354Crook County, WYWY7,852912–

2355Ballard County, KYKY7,594906–

2356Chippewa County, MNMN12,406905–

2357Jackson County, MNMN9,857904–

2358Stevens County, MNMN9,747904–

2359Morrow County, OROR12,602904–

2360Greenwood County, KSKS5,826904–

2361Dixon County, NENE5,602902–

2362Swift County, MNMN9,763899–

2363Shannon County, MOMO7,285899–

2364Buffalo County, WIWI13,318898–

2365Gogebic County, MIMI14,285897–

2366Lancaster County, VAVA10,995895–

2367Pleasants County, WVWV7,338894–

2368Wilbarger County, TXTX12,481893–

2369St. Clair County, MOMO9,976891–

2370Crisp County, GAGA19,237891–

2371West Feliciana Parish, LALA15,134887–

2372Andrews County, TXTX18,914887–

2373Lincoln County, WAWA11,982887–

2374Cleveland County, ARAR7,224884–

2375Weston County, WYWY6,840883–

2376Kleberg County, TXTX30,315879–

2377Fremont County, IAIA6,522879–

2378Nevada County, ARAR7,942878–

2379Lemhi County, IDID8,474877–

2380Clay County, MSMS18,238876–

2381Knox County, NENE8,335876–

2382McKinley County, NMNM68,119875–

2383Thomas County, KSKS7,725875–

2384Emmet County, IAIA9,107874–

2385Mathews County, VAVA8,529873–

2386Moore County, TNTN6,920870–

2387Lyon County, KYKY9,123870–

2388Dallas County, ALAL35,140866–

2389Evans County, GAGA11,028863–

2390Caldwell County, KYKY12,609862–

2391Oscoda County, MIMI8,723860–

2392Todd County, KYKY12,972857–

2393Nolan County, TXTX14,117856–

2394Nelson County, VAVA14,920854–

2395Phelps County, NENE8,994852–

2396Clay County, NENE6,170851–

2397McCormick County, SCSC10,215851–

2398Grundy County, MOMO9,744851–

2399Grant County, WVWV11,041850–

2400Decatur County, IAIA7,655848–

2401Chattahoochee County, GAGA8,465847–

2402Gaines County, TXTX23,956847–

2403Monroe County, ALAL18,965845–

2404Lyon County, IAIA12,354842–

2405Lewis County, MOMO9,879841–

2406Decatur County, GAGA29,432841–

2407Stark County, ILIL5,319839–

2408Schuyler County, ILIL6,657838–

2409Cottonwood County, MNMN11,405837–

2410Owyhee County, IDID12,661833–

2411Osage County, MOMO13,611832–

2412San Saba County, TXTX5,787831–

2413Phillips County, ARAR14,255830–

2414Nicholas County, KYKY7,949829–

2415Alger County, MIMI8,641828–

2416Montgomery County, NCNC26,403828–

2417Nemaha County, NENE7,102827–

2418Cherry County, NENE5,561827–

2419Howard County, NENE6,538826–

2420Gilmer County, WVWV7,085823–

2421Mason County, TXTX3,990823–

2422Merrick County, NENE7,905823–

2423Iron County, MIMI11,757822–

2424Grayson County, VAVA15,230822–

2425Northampton County, VAVA11,879817–

2426Daviess County, MOMO8,558816–

2427Montgomery County, GAGA8,635816–

2428Charlotte County, VAVA11,401814–

2429Sunflower County, MSMS22,893811–

2430Tripp County, SDSD5,708811–

2431Chowan County, NCNC14,082805–

2432Wirt County, WVWV4,879805–

2433Anderson County, KSKS8,018804–

2434Screven County, GAGA14,408803–

2435Doniphan County, KSKS7,594803–

2436Richmond County, VAVA9,294802–

2437Carroll County, MOMO8,417798–

2438Southeast Fairbanks Census Area, AKAK7,270797–

2439Barnes County, NDND10,573794–

2440Hamilton County, FLFL14,180794–

2441Spink County, SDSD6,155791–

2442Rio Grande County, COCO11,087789–

2443Luce County, MIMI6,339788–

2444Jones County, NCNC9,575788–

2445Northampton County, NCNC16,491788–

2446Caldwell County, MOMO9,012785–

2447Norton County, KSKS5,288784–

2448Hardeman County, TXTX3,292784–

2449Prince of Wales-Hyder Census Area, AKAK5,777783–

2450Henderson County, ILIL5,984783–

2451Warren County, ININ8,474783–

2452Coleman County, TXTX7,915782–

2453Greer County, OKOK5,373781–

2454Bladen County, NCNC30,007780–

2455Clinton County, KYKY9,139780–

2456Pawnee County, KSKS5,991779–

2457Adams County, WAWA21,488779–

2458Glacier County, MTMT13,463775–

2459Prowers County, COCO11,884775–

2460Woods County, OKOK8,443774–

2461Saguache County, COCO6,732774–

2462Huerfano County, COCO7,011773–

2463Jefferson County, OKOK5,431770–

2464Calhoun County, MSMS12,643768–

2465Pope County, MNMN11,420764–

2466Metcalfe County, KYKY10,583764–

2467O'Brien County, IAIA14,220763–

2468Brown County, KSKS9,104763–

2469Blaine County, OKOK8,515762–

2470Boone County, NENE5,355761–

2471Wabaunsee County, KSKS7,018761–

2472Sherman County, KSKS5,763757–

2473Kane County, UTUT8,597756–

2474Clay County, ALAL14,207754–

2475Red River County, TXTX11,816754–

2476Hamilton County, NYNY5,006750–

2477Valley County, MTMT7,385749–

2478Conecuh County, ALAL10,899748–

2479Boise County, IDID8,545748–

2480Forest County, PAPA6,614748–

2481Turner County, SDSD9,314747–

2482Clay County, TNTN7,821747–

2483Refugio County, TXTX6,657747–

2484Dade County, MOMO7,804746–

2485Franklin County, IAIA9,868746–

2486Ottawa County, KSKS5,744744–

2487Platte County, WYWY8,634743–

2488Major County, OKOK7,536740–

2489Lincoln County, NVNV4,320739–

2490Clark County, MOMO6,475738–

2491Ohio County, ININ5,994738–

2492Mountrail County, NDND9,395737–

2493Goliad County, TXTX7,208737–

2494Cotton County, OKOK5,432736–

2495Butler County, NENE8,507735–

2496Beaver County, OKOK4,882735–

2497St. Helena Parish, LALA10,758733–

2498Antelope County, NENE6,352730–

2499Williamsburg County, SCSC29,662730–

2500Macon County, GAGA11,756726–

SHOWING 2,001–2,500 OF 3,134

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