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.

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 POPULATIONVS 2000

1501Duplin County, NCNC51,5712,543–

1502Howard County, TXTX30,5042,543–

1503Sharp County, ARAR18,1222,540–

1504Logan County, KYKY28,6692,539–

1505Box Elder County, UTUT65,3202,538–

1506Perry County, ININ19,3892,531–

1507Washington County, ININ28,3832,530–

1508Wyandot County, OHOH21,5672,529–

1509Carroll County, VAVA29,2992,529–

1510Ohio County, KYKY23,9342,526–

1511Fayette County, ININ23,5332,517–

1512Sheridan County, WYWY33,2412,511–

1513Fairfax, VAVA26,7722,510–

1514Adair County, MOMO25,6842,507–

1515Dickinson County, MIMI25,8272,506–

1516Morgan County, WVWV18,0272,506–

1517New Kent County, VAVA28,0222,504–

1518Piatt County, ILIL16,7912,503–

1519Lincoln County, WIWI28,4032,501–

1520Wright County, MOMO19,6712,495–

1521Jefferson County, ARAR62,9872,488–

1522Acadia Parish, LALA57,0322,487–

1523Franklin Parish, LALA19,0022,487–

1524Polk County, TNTN18,5922,484–

1525Perry County, KYKY26,5552,482–

1526Audrain County, MOMO24,5282,480–

1527Edgar County, ILIL16,3232,480–

1528Wayne County, GAGA32,4812,470–

1529Adams County, OHOH27,8652,460–

1530Marion County, ARAR17,5932,459–

1531Carroll County, IAIA20,3032,453–

1532Houston County, MNMN18,4002,447–

1533Lavaca County, TXTX20,6512,440–

1534Marion County, ALAL29,0972,439–

1535Fentress County, TNTN20,3222,436–

1536Marshall County, OKOK16,2552,432–

1537Scott County, ININ25,0532,426–

1538Oceana County, MIMI27,1772,422–

1539Cass County, MNMN31,4302,422–

1540Falls Church, VAVA15,1592,420–

1541Winneshiek County, IAIA19,7332,420–

1542Malheur County, OROR32,2612,419–

1543Ripley County, MOMO10,7172,416–

1544Finney County, KSKS37,5052,414–

1545Robeson County, NCNC119,9412,413–

1546Shelby County, TXTX24,2862,413–

1547Avoyelles Parish, LALA37,9412,412–

1548Madison County, IAIA17,2702,408–

1549Grainger County, TNTN25,7392,408–

1550Montezuma County, COCO26,6782,405–

1551Yancey County, NCNC19,0842,402–

1552Hutchinson County, TXTX19,6332,398–

1553Carroll County, ARAR29,2632,395–

1554Pacific County, WAWA24,3572,395–

1555La Paz County, AZAZ16,7112,394–

1556De Soto Parish, LALA27,3812,393–

1557Allamakee County, IAIA14,2382,393–

1558Newberry County, SCSC39,5612,390–

1559Crook County, OROR27,5642,385–

1560Stephens County, GAGA27,8542,385–

1561Taos County, NMNM34,5642,383–

1562Atchison County, KSKS16,1722,383–

1563Harvey County, KSKS33,5802,378–

1564Becker County, MNMN35,4972,376–

1565Washington County, FLFL26,6952,372–

1566Putnam County, OHOH34,3802,371–

1567George County, MSMS26,3312,370–

1568Lawrence County, ALAL33,8432,369–

1569Texas County, MOMO25,9942,366–

1570Union County, TNTN21,4502,364–

1571Morrison County, MNMN34,6202,361–

1572Union County, SCSC26,7992,361–

1573Clinton County, ININ33,3222,361–

1574Cherokee County, KSKS19,1052,355–

1575Weakley County, TNTN33,2612,349–

1576Uintah County, UTUT38,2782,348–

1577White County, TNTN29,6122,345–

1578Andrew County, MOMO18,2412,344–

1579Benton County, MOMO20,5362,343–

1580Randolph County, ININ24,4382,343–

1581Taylor County, WVWV16,2872,334–

1582Ogemaw County, MIMI21,1212,332–

1583McPherson County, KSKS30,0642,331–

1584Van Wert County, OHOH29,0132,329–

1585Muhlenberg County, KYKY30,6342,328–

1586Goochland County, VAVA29,1872,320–

1587Macon County, TNTN27,6632,317–

1588Iowa County, IAIA16,5042,316–

1589McDowell County, WVWV16,8782,315–

1590Jones County, GAGA29,1712,314–

1591Adams County, WIWI21,7522,314–

1592Lampasas County, TXTX23,6572,311–

1593Grant County, NMNM27,2522,306–

1594Staunton, VAVA26,8012,306–

1595Waseca County, MNMN18,6882,305–

1596Clark County, WIWI35,0522,304–

1597Beckham County, OKOK22,1592,302–

1598Pitkin County, COCO16,6252,302–

1599Saline County, MOMO23,2652,301–

1600Orangeburg County, SCSC83,1772,301–

1601Asotin County, WAWA22,5452,299–

1602Nodaway County, MOMO20,1742,297–

1603Lea County, NMNM74,7492,293–

1604Wayne County, TNTN16,4162,292–

1605Labette County, KSKS19,6852,288–

1606Scott County, TNTN22,6712,285–

1607Wasatch County, UTUT38,5142,279–

1608Lee County, GAGA34,1792,279–

1609Colquitt County, GAGA47,4382,274–

1610Benzie County, MIMI18,5682,270–

1611Spencer County, KYKY20,9982,270–

1612Stark County, NDND34,0132,269–

1613Juniata County, PAPA23,4032,269–

1614Vermilion Parish, LALA57,6712,267–

1615Osage County, KSKS15,6932,266–

1616Clay County, ININ26,4102,263–

1617Trempealeau County, WIWI31,1712,262–

1618Wyoming County, WVWV19,8012,258–

1619Washington County, TXTX38,2882,256–

1620Hart County, GAGA28,6392,244–

1621Johnson County, ARAR26,2252,240–

1622Manistee County, MIMI25,6562,236–

1623McCurtain County, OKOK30,7442,229–

1624Conway County, ARAR21,3932,223–

1625Johnson County, KYKY22,0512,222–

1626Yankton County, SDSD23,6352,221–

1627Franklin County, ININ23,2862,218–

1628Greene County, VAVA21,9582,217–

1629Bond County, ILIL16,9592,217–

1630Simpson County, KYKY20,7882,217–

1631Logan County, COCO20,6542,213–

1632San Juan County, WAWA18,5772,209–

1633Bell County, KYKY22,8292,207–

1634Floyd County, IAIA14,9012,205–

1635Kalkaska County, MIMI18,6932,202–

1636Carbon County, WYWY14,0132,202–

1637Crawford County, ILIL18,6482,200–

1638Calhoun County, FLFL13,2892,192–

1639Richmond County, NCNC42,0412,190–

1640Warren County, ILIL16,2222,183–

1641LaGrange County, ININ41,3052,183–

1642Dodge County, MNMN21,3762,182–

1643Converse County, WYWY13,8242,178–

1644Sabine Parish, LALA21,8342,172–

1645Hubbard County, MNMN22,3692,170–

1646Lincoln County, NMNM19,8442,164–

1647Harrison County, IAIA14,6232,160–

1648Wasco County, OROR26,3102,159–

1649Harlan County, KYKY24,7252,157–

1650Uinta County, WYWY20,7282,156–

1651Letcher County, KYKY19,9522,153–

1652Jasper County, SCSC38,5332,152–

1653Lawrence County, ARAR16,2732,151–

1654Gadsden County, FLFL44,2982,151–

1655Spencer County, ININ20,0612,147–

1656Bates County, MOMO16,5122,146–

1657Grayson County, KYKY27,4062,146–

1658Henderson County, TNTN28,5182,145–

1659Mills County, IAIA14,7932,136–

1660De Witt County, ILIL15,1182,132–

1661Webster Parish, LALA34,9482,130–

1662Dickinson County, KSKS18,6372,129–

1663Adams County, ININ36,6502,128–

1664Henry County, KYKY16,4472,123–

1665Limestone County, TXTX22,8492,122–

1666Crawford County, MIMI13,7222,118–

1667Mercer County, KYKY23,7332,116–

1668Jackson County, WIWI20,9992,116–

1669Page County, VAVA23,7622,115–

1670Braxton County, WVWV11,8852,115–

1671Jefferson County, MTMT13,3292,112–

1672Clay County, SDSD15,0312,111–

1673Monroe County, GAGA32,0232,108–

1674Lauderdale County, TNTN24,6172,107–

1675Chaffee County, COCO20,8312,103–

1676West Carroll Parish, LALA9,1562,101–

1677Mason County, KYKY16,9362,101–

1678Waushara County, WIWI25,2232,100–

1679Bristol, VAVA16,4182,098–

1680Waynesboro, VAVA23,9512,097–

1681Clayton County, IAIA16,8452,096–

1682Bourbon County, KSKS14,3192,093–

1683Fountain County, ININ17,0132,085–

1684Potter County, PAPA15,8972,079–

1685Plaquemines Parish, LALA22,2562,075–

1686Brown County, ININ15,7772,073–

1687Marquette County, WIWI15,9272,072–

1688Page County, IAIA14,8562,069–

1689Fillmore County, MNMN21,5402,067–

1690Washburn County, WIWI17,0872,060–

1691Gasconade County, MOMO14,7842,059–

1692Gage County, NENE21,7112,059–

1693Columbus County, NCNC50,4872,058–

1694Bledsoe County, TNTN15,9202,056–

1695Sullivan County, ININ20,8312,051–

1696Marshall County, MSMS34,6542,046–

1697Rush County, ININ16,7672,045–

1698Dent County, MOMO14,5842,041–

1699Ashe County, NCNC27,5142,041–

1700Towns County, GAGA13,2852,041–

1701Wells County, ININ28,8832,041–

1702Bingham County, IDID51,1532,039–

1703Hughes County, SDSD17,5702,038–

1704Freestone County, TXTX20,8112,036–

1705Johnson County, TNTN18,7182,035–

1706Clark County, ARAR20,9382,034–

1707Hickman County, TNTN26,2192,029–

1708Randolph County, ALAL23,1632,027–

1709Jackson County, ARAR16,7412,027–

1710Lewis County, WVWV16,3942,024–

1711Allen County, KYKY22,5362,024–

1712Austin County, TXTX33,6252,023–

1713Jackson Parish, LALA15,8342,022–

1714Clark County, ILIL15,1142,021–

1715Deer Lodge County, MTMT9,7092,020–

1716Douglas County, ILIL19,8802,020–

1717Pawnee County, OKOK16,0292,017–

1718Jefferson County, IAIA15,2912,009–

1719DeKalb County, MOMO9,7952,007–

1720Montgomery County, KYKY28,8222,007–

1721Mason County, ILIL12,4112,004–

1722Lincoln County, KYKY25,3532,000–

1723White County, ILIL13,2501,992–

1724Oglethorpe County, GAGA16,4151,990–

1725Otero County, COCO17,6831,987–

1726Archuleta County, COCO14,3061,985–

1727Franklin County, GAGA25,9481,982–

1728DeWitt County, TXTX20,3091,979–

1729Natchitoches Parish, LALA36,0891,976–

1730Seminole County, OKOK23,4411,975–

1731Haskell County, OKOK11,7871,974–

1732Pike County, MOMO17,9551,971–

1733Sampson County, NCNC61,5041,970–

1734Berrien County, GAGA18,9321,970–

1735Henry County, IAIA19,3491,965–

1736Cooper County, MOMO17,1361,962–

1737Bourbon County, KYKY20,2431,959–

1738Payette County, IDID27,8241,958–

1739Warren County, MSMS41,7591,953–

1740Idaho County, IDID17,8741,952–

1741Union Parish, LALA20,5611,950–

1742Barton County, KSKS24,7901,945–

1743Arenac County, MIMI15,0681,944–

1744Little River County, ARAR11,7631,943–

1745Avery County, NCNC18,1101,943–

1746Martin County, MNMN19,4401,933–

1747Hood River County, OROR23,7201,931–

1748Caswell County, NCNC22,5631,927–

1749Menominee County, MIMI22,9411,926–

1750Latimer County, OKOK9,6451,920–

1751Apache County, AZAZ64,4451,918–

1752Dickinson County, IAIA18,0771,918–

1753Halifax County, NCNC46,5341,917–

1754Callahan County, TXTX14,4911,915–

1755Tippah County, MSMS21,3891,914–

1756Iberville Parish, LALA29,5791,912–

1757Jefferson County, OROR25,7401,912–

1758Neosho County, KSKS15,6371,911–

1759Itawamba County, MSMS24,1521,910–

1760Buena Vista County, IAIA20,4491,909–

1761Grand County, UTUT9,7901,908–

1762Meeker County, MNMN23,6031,903–

1763Holmes County, OHOH44,9701,903–

1764Wythe County, VAVA27,9831,902–

1765Morgan County, MOMO22,4181,901–

1766Blanco County, TXTX13,5811,900–

1767Richland Parish, LALA19,5821,899–

1768Knox County, KYKY29,5321,894–

1769Richland County, ILIL15,2191,886–

1770Abbeville County, SCSC24,8361,881–

1771Rockbridge County, VAVA22,6631,878–

1772Polk County, MNMN30,5451,877–

1773Nowata County, OKOK9,5221,873–

1774Jasper County, TXTX33,0751,873–

1775Orange County, ININ19,8341,873–

1776Amherst County, VAVA31,9621,872–

1777Mono County, CACA12,5051,871–

1778Winn Parish, LALA14,9611,870–

1779St. Mary Parish, LALA46,5521,868–

1780Aitkin County, MNMN16,2521,867–

1781Carroll County, ININ20,6551,863–

1782Bee County, TXTX32,5151,862–

1783Otoe County, NENE16,5311,855–

1784Salem, VAVA25,8161,855–

1785Moffat County, COCO13,1221,852–

1786Marshall County, ILIL11,4731,848–

1787Marion County, KYKY20,1151,848–

1788Clay County, ARAR14,0521,847–

1789Shoshone County, IDID14,1301,842–

1790Montour County, PAPA17,8681,841–

1791Jackson County, OKOK24,7641,840–

1792Wharton County, TXTX42,0601,840–

1793Radford, VAVA17,2431,840–

1794Pemiscot County, MOMO14,4651,839–

1795Fulton County, ARAR12,4921,837–

1796Larue County, KYKY15,1841,833–

1797Union County, SDSD17,4021,831–

1798Cass County, IAIA12,9601,831–

1799Ford County, KSKS33,9931,831–

1800Plumas County, CACA18,5831,830–

1801Fleming County, KYKY15,7871,828–

1802Grant County, ARAR18,7561,825–

1803Clarendon County, SCSC31,0431,825–

1804Mitchell County, NCNC15,0621,823–

1805Goshen County, WYWY12,6401,823–

1806Alleghany County, VAVA14,5461,818–

1807Harrison County, OHOH14,0701,817–

1808Milam County, TXTX26,2581,816–

1809Carroll County, ILIL15,4191,809–

1810Cannon County, TNTN15,2961,808–

1811Gray County, TXTX20,9191,808–

1812Grundy County, TNTN14,1161,808–

1813Morgan County, GAGA22,0951,801–

1814Jefferson Davis Parish, LALA31,4711,800–

1815Los Alamos County, NMNM19,4071,799–

1816Blackford County, ININ11,7301,798–

1817Summers County, WVWV11,5321,797–

1818Giles County, VAVA16,5641,796–

1819Davison County, SDSD20,0691,794–

1820Morehouse Parish, LALA23,7051,793–

1821Unicoi County, TNTN17,8561,785–

1822Hardeman County, TNTN25,2741,783–

1823Meigs County, TNTN14,1861,783–

1824Chambers County, ALAL34,2531,782–

1825Fayette County, ILIL20,7901,779–

1826DeKalb County, TNTN21,8731,778–

1827Beadle County, SDSD19,6241,777–

1828Putnam County, GAGA23,7221,777–

1829Harrison County, KYKY19,6271,776–

1830Lincoln County, MSMS35,0121,774–

1831Moniteau County, MOMO15,4281,774–

1832Wayne County, KYKY19,5971,773–

1833Boone County, WVWV20,2511,773–

1834Hardin County, IAIA16,4551,771–

1835Mercer County, ILIL15,2291,769–

1836Tama County, IAIA16,7961,769–

1837York County, NENE14,5641,766–

1838Woodward County, OKOK19,8271,765–

1839Lincoln County, WVWV19,1771,764–

1840Knott County, KYKY13,3211,761–

1841Laurens County, GAGA51,0411,757–

1842Pulaski County, ININ12,4631,757–

1843Stone County, MSMS19,6541,755–

1844Green Lake County, WIWI19,3051,755–

1845Menard County, ILIL11,8631,754–

1846Nantucket County, MAMA14,7581,753–

1847Langlade County, WIWI19,5341,749–

1848Glenn County, CACA28,1411,746–

1849Paulding County, OHOH18,7271,746–

1850Dakota County, NENE21,6871,743–

1851Somerset County, MDMD24,9731,743–

1852Allen Parish, LALA22,6721,742–

1853Westmoreland County, VAVA19,7151,742–

1854Toombs County, GAGA27,5451,740–

1855Atoka County, OKOK14,6091,739–

1856Madison County, IDID55,1721,738–

1857Danville, VAVA41,6471,737–

1858West Baton Rouge Parish, LALA28,7561,736–

1859Macon County, MOMO15,1901,734–

1860Cedar County, MOMO14,8881,732–

1861Ford County, ILIL13,2161,731–

1862Williamsburg, VAVA15,8611,731–

1863Holt County, NENE10,0671,729–

1864Seward County, NENE18,0321,728–

1865Morgan County, OHOH13,6261,724–

1866King William County, VAVA19,6171,724–

1867Banks County, GAGA21,2731,723–

1868Sioux County, IAIA36,7741,721–

1869Concordia Parish, LALA17,8361,720–

1870Humboldt County, NVNV17,2671,716–

1871Wayne County, ILIL15,8821,707–

1872Clear Creek County, COCO8,9941,703–

1873Missaukee County, MIMI15,2741,702–

1874Colusa County, CACA21,8361,700–

1875Overton County, TNTN23,7871,700–

1876Scott County, VAVA21,2001,698–

1877Arkansas County, ARAR15,8361,697–

1878Franklin County, ALAL32,4491,696–

1879Craig County, OKOK14,5181,695–

1880Appanoose County, IAIA12,0771,692–

1881Taylor County, FLFL21,2101,687–

1882Chester County, SCSC33,0011,682–

1883Franklin County, ARAR17,7251,681–

1884Rabun County, GAGA17,7641,681–

1885Park County, COCO18,3141,677–

1886Kanabec County, MNMN16,6281,677–

1887Ste. Genevieve County, MOMO18,6891,676–

1888Graham County, AZAZ40,1571,676–

1889Colleton County, SCSC39,3821,673–

1890Madison County, VAVA14,2371,672–

1891Jerome County, IDID26,3621,670–

1892Sevier County, ARAR15,7581,668–

1893Custer County, MTMT12,0341,666–

1894Perry County, MSMS11,5771,664–

1895Clay County, IAIA16,2021,664–

1896Clarke County, VAVA15,6091,663–

1897Hancock County, ILIL16,8031,663–

1898Monroe County, OHOH12,9941,662–

1899Pike County, MSMS38,7121,659–

1900Upson County, GAGA28,5001,652–

1901Ware County, GAGA36,9061,650–

1902Sawyer County, WIWI18,8461,649–

1903Grady County, GAGA26,5901,649–

1904Palo Alto County, IAIA8,8991,649–

1905Jackson County, KSKS13,4381,649–

1906Alamosa County, COCO16,6881,648–

1907Russell County, VAVA25,3321,646–

1908Smith County, TNTN20,9811,643–

1909Valley County, IDID12,8311,639–

1910Dixie County, FLFL18,0381,638–

1911Fulton County, ININ20,0911,637–

1912Butte County, SDSD10,8561,636–

1913Gem County, IDID21,7731,634–

1914Inyo County, CACA18,1581,626–

1915Fayette County, TXTX25,4591,625–

1916Parke County, ININ16,6421,625–

1917Chester County, TNTN17,9941,624–

1918Grand County, COCO16,4961,624–

1919Vermillion County, ININ15,4881,621–

1920Mecklenburg County, VAVA30,7471,619–

1921Tattnall County, GAGA24,3761,617–

1922Lincoln County, WYWY21,1801,614–

1923Perry County, MOMO19,0931,612–

1924Allen County, KSKS12,3021,612–

1925Hart County, KYKY20,1171,612–

1926Douglas County, MOMO12,3421,607–

1927Colonial Heights, VAVA18,7381,607–

1928Jay County, ININ20,1181,607–

1929Tyler County, TXTX20,4431,603–

1930Hempstead County, ARAR19,0801,602–

1931Jefferson County, IDID35,2971,600–

1932Crawford County, ININ10,5091,600–

1933Casey County, KYKY16,2051,600–

1934Madison County, ARAR18,4101,596–

1935Adair County, KYKY19,4231,596–

1936Pendleton County, KYKY14,8001,591–

1937Butts County, GAGA27,2181,589–

1938Cleburne County, ALAL15,9701,584–

1939Attala County, MSMS17,1001,584–

1940Massac County, ILIL13,5021,581–

1941Union County, ARAR36,9261,580–

1942Monroe County, WVWV12,4911,576–

1943Perry County, ILIL20,1601,575–

1944Madison County, MTMT10,0261,571–

1945Lewis County, KYKY12,9011,570–

1946Brown County, MNMN25,5171,562–

1947Prince Edward County, VAVA22,3911,561–

1948Montague County, TXTX21,9661,556–

1949Amelia County, VAVA13,6321,554–

1950Worth County, GAGA20,0591,554–

1951Wetzel County, WVWV13,7341,551–

1952Pike County, GAGA20,9321,549–

1953Shelby County, IAIA11,6891,548–

1954Young County, TXTX18,1541,541–

1955Chattooga County, GAGA25,3001,539–

1956Rockcastle County, KYKY16,1481,538–

1957Cherokee County, ALAL26,4131,527–

1958Escambia County, ALAL36,6651,527–

1959Johnston County, OKOK10,4481,525–

1960Dawson County, NENE24,4521,521–

1961Bibb County, ALAL22,2621,520–

1962Butler County, KYKY12,5201,518–

1963Richland County, MTMT11,3771,517–

1964Hill County, MTMT16,1671,516–

1965Clay County, ILIL12,7931,515–

1966Panola County, MSMS32,6911,514–

1967Noble County, OHOH14,2761,513–

1968Fulton County, PAPA14,4831,513–

1969Burleson County, TXTX20,5491,509–

1970Beaverhead County, MTMT10,0431,509–

1971Sanpete County, UTUT31,4531,506–

1972Edgefield County, SCSC29,8081,505–

1973Logan County, ARAR21,6331,502–

1974Stutsman County, NDND21,4141,500–

1975Hendry County, FLFL48,2761,497–

1976Live Oak County, TXTX11,9291,495–

1977Union County, FLFL16,2501,493–

1978Wayne County, NENE10,0201,492–

1979Newton County, MSMS20,9601,490–

1980Doddridge County, WVWV7,6341,490–

1981Union County, ILIL16,6561,486–

1982St. Martin Parish, LALA51,1061,484–

1983Keokuk County, IAIA9,7971,477–

1984Wayne County, MOMO10,7821,474–

1985Sequatchie County, TNTN17,8611,473–

1986Chickasaw County, IAIA11,6631,471–

1987Jones County, TXTX20,8611,470–

1988Monroe County, IAIA7,4061,469–

1989Duchesne County, UTUT20,8561,468–

1990Hale County, TXTX31,8191,467–

1991Lyon County, MNMN25,6841,464–

1992Blaine County, IDID25,5171,464–

1993Brantley County, GAGA18,9361,462–

1994Humphreys County, TNTN19,6461,460–

1995Calhoun County, TXTX19,5991,460–

1996Franklin County, FLFL13,0291,457–

1997Linn County, KSKS9,9501,456–

1998Pushmataha County, OKOK10,8071,455–

1999Kossuth County, IAIA14,3221,451–

2000Garrard County, KYKY18,2071,451–

SHOWING 1,501–2,000 OF 3,134

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