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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 2010 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV.

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RANKPLACESTATEPOPIRISH POPULATIONVS –
1501Kent County, MDMD19,5653,109–
1502Steele County, MNMN37,4643,104–
1503Delaware County, IAIA17,6743,102–
1504Bee County, TXTX32,5153,100–
1505Washington County, NENE21,3023,096–
1506McDowell County, WVWV16,8783,093–
1507Franklin County, ALAL32,4493,089–
1508Harrisonburg, VAVA50,8393,088–
1509Grant County, NMNM27,2523,085–
1510Lee County, VAVA21,6423,072–
1511Madison County, IAIA17,2703,071–
1512Hoke County, NCNC56,9393,070–
1513Claiborne County, TNTN33,2293,069–
1514Fayette County, OHOH28,5523,066–
1515King George County, VAVA29,6463,065–
1516Fayette County, IAIA19,0473,060–
1517Juniata County, PAPA23,4033,059–
1518Duplin County, NCNC51,5713,058–
1519Lincoln County, MTMT22,3283,057–
1520Kandiyohi County, MNMN44,7203,055–
1521Logan County, KYKY28,6693,054–
1522Orleans County, VTVT27,6003,053–
1523Pine County, MNMN30,4723,052–
1524Washington County, FLFL26,6953,047–
1525Franklin County, ININ23,2863,045–
1526Mason County, WVWV24,7073,044–
1527Bandera County, TXTX22,8763,041–
1528Houston County, TXTX22,3163,040–
1529Sharp County, ARAR18,1223,039–
1530Tillamook County, OROR27,3843,039–
1531Giles County, TNTN31,4333,034–
1532Henry County, OHOH27,5983,029–
1533Posey County, ININ24,9883,028–
1534Conway County, ARAR21,3933,020–
1535Manistee County, MIMI25,6563,019–
1536Humphreys County, TNTN19,6463,018–
1537White County, TNTN29,6123,018–
1538Taylor County, KYKY26,7633,018–
1539Mercer County, ILIL15,2293,016–
1540Lawrence County, ARAR16,2733,011–
1541Dade County, GAGA16,1543,011–
1542Wells County, ININ28,8833,009–
1543Osceola County, MIMI23,5163,008–
1544Izard County, ARAR14,4053,001–
1545Fairfax, VAVA26,7723,000–
1546Washington County, MSMS40,4462,998–
1547Pasquotank County, NCNC42,2012,998–
1548Dukes County, MAMA21,2192,996–
1549Poweshiek County, IAIA18,3682,996–
1550Rowan County, KYKY24,4762,992–
1551Jones County, GAGA29,1712,988–
1552Pike County, GAGA20,9322,984–
1553Polk County, NCNC20,5332,974–
1554Caroline County, VAVA34,4132,969–
1555Botetourt County, VAVA34,1442,967–
1556Mercer County, KYKY23,7332,965–
1557Door County, WIWI30,6162,957–
1558Madison County, NCNC22,5532,945–
1559Cass County, MNMN31,4302,944–
1560Apache County, AZAZ64,4452,943–
1561Chaffee County, COCO20,8312,936–
1562Marion County, MOMO28,5252,934–
1563Iowa County, IAIA16,5042,933–
1564Montgomery County, KYKY28,8222,927–
1565Grant County, ARAR18,7562,926–
1566Taos County, NMNM34,5642,925–
1567Palo Pinto County, TXTX30,7912,924–
1568Avoyelles Parish, LALA37,9412,919–
1569Fluvanna County, VAVA28,9752,913–
1570Harrison County, IAIA14,6232,911–
1571Piscataquis County, MEME17,4092,904–
1572Benzie County, MIMI18,5682,898–
1573Waushara County, WIWI25,2232,897–
1574Bates County, MOMO16,5122,896–
1575Panola County, TXTX23,0182,896–
1576Danville, VAVA41,6472,896–
1577Fayette County, ININ23,5332,887–
1578Bourbon County, KYKY20,2432,877–
1579Pendleton County, KYKY14,8002,874–
1580Gillespie County, TXTX28,5272,872–
1581Grand County, COCO16,4962,872–
1582Andrew County, MOMO18,2412,868–
1583Morgan County, MOMO22,4182,867–
1584Edgar County, ILIL16,3232,864–
1585Newberry County, SCSC39,5612,863–
1586Laurens County, GAGA51,0412,862–
1587Scott County, ININ25,0532,862–
1588Yell County, ARAR19,9562,858–
1589Iberia Parish, LALA66,8462,854–
1590Grimes County, TXTX34,2522,850–
1591Bremer County, IAIA25,2962,848–
1592McIntosh County, OKOK19,7582,838–
1593Calhoun County, TXTX19,5992,835–
1594Dixie County, FLFL18,0382,834–
1595Prince George County, VAVA43,9362,832–
1596Dickinson County, KSKS18,6372,829–
1597Carlton County, MNMN36,7112,826–
1598Adams County, ININ36,6502,818–
1599Dakota County, NENE21,6872,816–
1600Stone County, ARAR12,7032,811–
1601Benton County, MOMO20,5362,811–
1602Beaufort County, NCNC44,6702,809–
1603Smyth County, VAVA28,8822,808–
1604Abbeville County, SCSC24,8362,804–
1605Lincoln County, WVWV19,1772,803–
1606Covington County, ALAL37,9472,801–
1607St. Landry Parish, LALA80,7652,800–
1608Hampshire County, WVWV24,1052,798–
1609Langlade County, WIWI19,5342,795–
1610Limestone County, TXTX22,8492,793–
1611Summers County, WVWV11,5322,791–
1612Gage County, NENE21,7112,787–
1613Perry County, ININ19,3892,779–
1614Wythe County, VAVA27,9832,778–
1615Dickinson County, MIMI25,8272,775–
1616Drew County, ARAR17,0542,774–
1617Crawford County, WIWI15,9102,774–
1618Titus County, TXTX31,5632,773–
1619Scott County, VAVA21,2002,772–
1620Carroll County, VAVA29,2992,768–
1621Holmes County, OHOH44,9702,767–
1622Eastland County, TXTX18,1432,760–
1623Panola County, MSMS32,6912,757–
1624Neosho County, KSKS15,6372,756–
1625Lawrence County, KYKY15,7652,755–
1626Lincoln County, WIWI28,4032,746–
1627Saunders County, NENE23,7022,742–
1628Adams County, WIWI21,7522,739–
1629Waseca County, MNMN18,6882,738–
1630Leon County, TXTX16,8942,738–
1631Benton County, TNTN16,1832,737–
1632Fleming County, KYKY15,7872,726–
1633Sabine Parish, LALA21,8342,716–
1634Putnam County, OHOH34,3802,716–
1635Chesterfield County, SCSC44,7402,716–
1636Park County, COCO18,3142,715–
1637Yadkin County, NCNC38,3252,714–
1638Pierce County, GAGA20,7642,711–
1639Roane County, WVWV13,3172,706–
1640Houston County, MNMN18,4002,704–
1641Crook County, OROR27,5642,701–
1642Berrien County, GAGA18,9322,701–
1643Teton County, WYWY23,3332,700–
1644Page County, IAIA14,8562,694–
1645Allamakee County, IAIA14,2382,682–
1646Calhoun County, FLFL13,2892,680–
1647Garrard County, KYKY18,2072,680–
1648Winchester, VAVA28,2722,677–
1649McPherson County, KSKS30,0642,674–
1650Grant Parish, LALA22,0752,673–
1651Allen Parish, LALA22,6722,672–
1652Lampasas County, TXTX23,6572,671–
1653Powhatan County, VAVA32,5912,670–
1654Leelanau County, MIMI22,9822,668–
1655Wetzel County, WVWV13,7342,665–
1656Freeborn County, MNMN30,4402,664–
1657Brantley County, GAGA18,9362,664–
1658Simpson County, MSMS25,4982,663–
1659Harrison County, KYKY19,6272,663–
1660Tate County, MSMS28,7252,661–
1661Morgan County, COCO30,3062,659–
1662Clark County, WIWI35,0522,655–
1663Converse County, WYWY13,8242,655–
1664Radford, VAVA17,2432,651–
1665Idaho County, IDID17,8742,649–
1666Young County, TXTX18,1542,646–
1667Stewart County, TNTN14,4392,641–
1668Rockbridge County, VAVA22,6632,628–
1669Waynesboro, VAVA23,9512,628–
1670Finney County, KSKS37,5052,626–
1671Monroe County, WVWV12,4912,625–
1672Wasco County, OROR26,3102,624–
1673Potter County, PAPA15,8972,624–
1674Inyo County, CACA18,1582,623–
1675Franklin Parish, LALA19,0022,621–
1676Little River County, ARAR11,7632,619–
1677Osage County, KSKS15,6932,616–
1678Franklin County, ARAR17,7252,615–
1679Trempealeau County, WIWI31,1712,615–
1680Crawford County, MIMI13,7222,605–
1681Gonzales County, TXTX20,1592,604–
1682Warren County, ILIL16,2222,603–
1683Decatur County, ININ26,5762,596–
1684Sequatchie County, TNTN17,8612,588–
1685Glenn County, CACA28,1412,586–
1686Codington County, SDSD29,5622,583–
1687Gray County, TXTX20,9192,583–
1688Clark County, ARAR20,9382,582–
1689Cedar County, IAIA18,3592,581–
1690Newton County, MSMS20,9602,578–
1691Johnson County, KYKY22,0512,574–
1692Morgan County, KYKY14,4152,573–
1693Washington County, ALAL14,8222,572–
1694Houston County, TNTN8,4792,569–
1695Marion County, MSMS24,0012,564–
1696Jackson County, ARAR16,7412,561–
1697Klickitat County, WAWA24,3312,551–
1698Waller County, TXTX69,8582,549–
1699Park County, MTMT18,2142,548–
1700Gadsden County, FLFL44,2982,547–
1701Cooper County, MOMO17,1362,546–
1702Columbia County, ARAR21,8942,546–
1703Polk County, MNMN30,5452,543–
1704Carroll County, ININ20,6552,543–
1705Wyandot County, OHOH21,5672,534–
1706Accomack County, VAVA33,8592,534–
1707Montague County, TXTX21,9662,533–
1708Upshur County, WVWV23,7582,531–
1709Richmond County, NCNC42,0412,528–
1710Madison County, GAGA32,9192,528–
1711Carroll County, IAIA20,3032,524–
1712Pacific County, WAWA24,3572,524–
1713Craig County, OKOK14,5182,521–
1714Madison County, FLFL18,7592,518–
1715Summit County, UTUT43,1412,518–
1716Gulf County, FLFL15,9432,517–
1717Mason County, KYKY16,9362,514–
1718Ripley County, MOMO10,7172,511–
1719Worth County, GAGA20,0592,506–
1720Fredericksburg, VAVA30,3932,501–
1721Vilas County, WIWI23,7612,501–
1722Spencer County, KYKY20,9982,498–
1723Fountain County, ININ17,0132,497–
1724Massac County, ILIL13,5022,490–
1725Pitkin County, COCO16,6252,488–
1726Cleburne County, ALAL15,9702,486–
1727Chester County, SCSC33,0012,486–
1728Jay County, ININ20,1182,486–
1729Union County, MSMS28,4592,484–
1730Graham County, AZAZ40,1572,478–
1731Pawnee County, OKOK16,0292,477–
1732Sabine County, TXTX10,0122,477–
1733Morrison County, MNMN34,6202,476–
1734Marion County, KYKY20,1152,476–
1735Logan County, COCO20,6542,467–
1736Union County, SDSD17,4022,466–
1737Perry County, KYKY26,5552,465–
1738Choctaw County, OKOK14,0592,461–
1739Woodward County, OKOK19,8272,460–
1740Harrison County, OHOH14,0702,457–
1741Freestone County, TXTX20,8112,457–
1742Crawford County, ILIL18,6482,456–
1743Uinta County, WYWY20,7282,455–
1744Monroe County, GAGA32,0232,451–
1745Orange County, ININ19,8342,449–
1746Winn Parish, LALA14,9612,447–
1747Union County, SCSC26,7992,447–
1748Butts County, GAGA27,2182,438–
1749Wayne County, TNTN16,4162,437–
1750Blaine County, IDID25,5172,436–
1751Yankton County, SDSD23,6352,433–
1752Coffee County, GAGA44,4072,432–
1753Deer Lodge County, MTMT9,7092,429–
1754Ashley County, ARAR17,8312,421–
1755Newton County, ININ14,1882,418–
1756Lauderdale County, TNTN24,6172,413–
1757Grundy County, TNTN14,1162,409–
1758Shelby County, TXTX24,2862,401–
1759Hardeman County, TNTN25,2742,394–
1760Adams County, MSMS30,0612,384–
1761Baker County, OROR16,6582,384–
1762Clayton County, IAIA16,8452,384–
1763Los Alamos County, NMNM19,4072,381–
1764Hempstead County, ARAR19,0802,377–
1765Bollinger County, MOMO10,6462,377–
1766LaGrange County, ININ41,3052,377–
1767Madison County, ARAR18,4102,375–
1768Mitchell County, NCNC15,0622,370–
1769Macon County, TNTN27,6632,370–
1770Clarendon County, SCSC31,0432,357–
1771Mills County, IAIA14,7932,357–
1772Tippah County, MSMS21,3892,356–
1773Payette County, IDID27,8242,356–
1774Neshoba County, MSMS28,7322,354–
1775Union County, TNTN21,4502,354–
1776Clark County, ILIL15,1142,354–
1777Stephens County, GAGA27,8542,351–
1778Milam County, TXTX26,2582,342–
1779White County, ILIL13,2502,341–
1780Hart County, KYKY20,1172,340–
1781Humboldt County, NVNV17,2672,337–
1782Hubbard County, MNMN22,3692,336–
1783Allen County, KYKY22,5362,333–
1784Lavaca County, TXTX20,6512,330–
1785Marquette County, WIWI15,9272,329–
1786Hancock County, ILIL16,8032,328–
1787Union Parish, LALA20,5612,326–
1788Ste. Genevieve County, MOMO18,6892,326–
1789Meigs County, TNTN14,1862,323–
1790Arkansas County, ARAR15,8362,322–
1791Randolph County, ARAR18,8762,317–
1792Dallas County, MOMO18,0252,314–
1793Fayette County, TXTX25,4592,312–
1794Holt County, NENE10,0672,311–
1795Gasconade County, MOMO14,7842,310–
1796Washington County, TXTX38,2882,303–
1797Morehouse Parish, LALA23,7052,300–
1798Stone County, MSMS19,6542,298–
1799Kossuth County, IAIA14,3222,298–
1800LaSalle Parish, LALA15,1542,297–
1801Randolph County, ALAL23,1632,293–
1802New Kent County, VAVA28,0222,292–
1803Morgan County, WVWV18,0272,291–
1804McCreary County, KYKY17,1242,291–
1805McDonald County, MOMO23,9922,290–
1806Lincoln County, KYKY25,3532,286–
1807Moniteau County, MOMO15,4282,285–
1808Page County, VAVA23,7622,284–
1809Clarke County, VAVA15,6092,281–
1810Austin County, TXTX33,6252,280–
1811Ford County, KSKS33,9932,277–
1812Dawson County, NENE24,4522,275–
1813Linn County, MOMO11,8152,274–
1814Buchanan County, VAVA18,4922,272–
1815Shoshone County, IDID14,1302,272–
1816Pushmataha County, OKOK10,8072,269–
1817Union County, ILIL16,6562,257–
1818Pike County, MOMO17,9552,256–
1819Carbon County, WYWY14,0132,251–
1820Fulton County, ININ20,0912,250–
1821Dallas County, ALAL35,1402,249–
1822Alleghany County, VAVA14,5462,249–
1823Becker County, MNMN35,4972,247–
1824George County, MSMS26,3312,246–
1825Lyon County, MNMN25,6842,243–
1826Bosque County, TXTX18,9182,243–
1827Crisp County, GAGA19,2372,242–
1828Ashe County, NCNC27,5142,239–
1829Piatt County, ILIL16,7912,238–
1830Lincoln County, MSMS35,0122,235–
1831Putnam County, GAGA23,7222,235–
1832Chester County, TNTN17,9942,232–
1833Pike County, ILIL14,2312,229–
1834Todd County, MNMN26,0602,228–
1835Hale County, TXTX31,8192,227–
1836Grainger County, TNTN25,7392,226–
1837Sullivan County, ININ20,8312,223–
1838De Soto Parish, LALA27,3812,221–
1839Callahan County, TXTX14,4912,221–
1840DeKalb County, TNTN21,8732,219–
1841Avery County, NCNC18,1102,216–
1842Bingham County, IDID51,1532,215–
1843Lewis County, TNTN13,4872,212–
1844Barbour County, WVWV15,4142,212–
1845Mecklenburg County, VAVA30,7472,209–
1846Owen County, KYKY11,6012,209–
1847Gunnison County, COCO17,4392,207–
1848Chattooga County, GAGA25,3002,207–
1849Sioux County, IAIA36,7742,204–
1850DeKalb County, MOMO9,7952,200–
1851Meriwether County, GAGA21,5162,200–
1852Somerset County, MDMD24,9732,199–
1853Mille Lacs County, MNMN27,7532,195–
1854Wright County, IAIA12,8012,195–
1855Scott County, MSMS28,0732,193–
1856San Juan County, WAWA18,5772,193–
1857Giles County, VAVA16,5642,190–
1858Clay County, SDSD15,0312,189–
1859Ford County, ILIL13,2162,189–
1860Madison County, VAVA14,2372,188–
1861Carroll County, ILIL15,4192,184–
1862Braxton County, WVWV11,8852,184–
1863Jefferson County, IAIA15,2912,183–
1864St. Mary Parish, LALA46,5522,176–
1865Wasatch County, UTUT38,5142,174–
1866Sevier County, ARAR15,7582,171–
1867Blackford County, ININ11,7302,170–
1868Plaquemines Parish, LALA22,2562,162–
1869Fillmore County, MNMN21,5402,160–
1870Hamilton County, FLFL14,1802,160–
1871Kalkaska County, MIMI18,6932,159–
1872Clay County, IAIA16,2022,158–
1873Dickinson County, IAIA18,0772,157–
1874Franklin County, FLFL13,0292,154–
1875Atoka County, OKOK14,6092,153–
1876Meeker County, MNMN23,6032,151–
1877Hughes County, OKOK13,4552,151–
1878Jackson Parish, LALA15,8342,148–
1879Burke County, GAGA24,4082,147–
1880Franklin County, GAGA25,9482,144–
1881Monroe County, OHOH12,9942,141–
1882Uintah County, UTUT38,2782,141–
1883Hood River County, OROR23,7202,138–
1884Howard County, ARAR12,3062,137–
1885DeWitt County, TXTX20,3092,137–
1886Wayne County, MOMO10,7822,137–
1887Douglas County, ILIL19,8802,136–
1888Jefferson County, MTMT13,3292,134–
1889Edgecombe County, NCNC49,1212,133–
1890Jackson County, WIWI20,9992,132–
1891Marshall County, ILIL11,4732,131–
1892Wright County, MOMO19,6712,128–
1893Hamilton County, IAIA14,9442,125–
1894Calhoun County, MSMS12,6432,122–
1895Grady County, GAGA26,5902,122–
1896Jackson County, KSKS13,4382,121–
1897Caswell County, NCNC22,5632,118–
1898Custer County, MTMT12,0342,113–
1899Newton County, TXTX11,9542,113–
1900Buena Vista County, IAIA20,4492,112–
1901Texas County, OKOK20,3222,111–
1902Fayette County, ALAL15,8722,109–
1903Gilchrist County, FLFL20,4882,107–
1904Rush County, ININ16,7672,106–
1905York County, NENE14,5642,105–
1906Rains County, TXTX13,5422,096–
1907Smith County, TNTN20,9812,094–
1908Williams County, NDND41,7672,082–
1909Rabun County, GAGA17,7642,081–
1910Fulton County, PAPA14,4832,067–
1911Colonial Heights, VAVA18,7382,067–
1912Clarke County, ALAL22,0142,067–
1913Staunton, VAVA26,8012,067–
1914Paulding County, OHOH18,7272,062–
1915Montour County, PAPA17,8682,062–
1916Greene County, ILIL11,3132,062–
1917Gem County, IDID21,7732,060–
1918Macon County, MOMO15,1902,059–
1919Dodge County, MNMN21,3762,058–
1920De Witt County, ILIL15,1182,058–
1921Union County, IAIA11,8292,053–
1922Pike County, ININ12,0032,052–
1923Allen County, KSKS12,3022,051–
1924Arenac County, MIMI15,0682,050–
1925Henry County, KYKY16,4472,049–
1926Jefferson County, OROR25,7402,044–
1927St. Clair County, MOMO9,9762,042–
1928Appanoose County, IAIA12,0772,041–
1929Pend Oreille County, WAWA14,4572,041–
1930Colleton County, SCSC39,3822,038–
1931Hill County, MTMT16,1672,037–
1932Jones County, TXTX20,8612,037–
1933Fayette County, ILIL20,7902,037–
1934Leake County, MSMS21,6622,034–
1935Scott County, ARAR9,9652,033–
1936Menominee County, MIMI22,9412,029–
1937Livingston County, MOMO14,7082,024–
1938Johnson County, TNTN18,7182,024–
1939Duchesne County, UTUT20,8562,023–
1940Morgan County, GAGA22,0952,022–
1941Moffat County, COCO13,1222,021–
1942San Augustine County, TXTX7,7222,018–
1943Nowata County, OKOK9,5222,006–
1944Pike County, MSMS38,7122,004–
1945Torrance County, NMNM16,1002,001–
1946Brown County, ININ15,7772,000–
1947Trigg County, KYKY14,5121,997–
1948Union County, FLFL16,2501,996–
1949Goshen County, WYWY12,6401,993–
1950Clay County, ARAR14,0521,992–
1951Tama County, IAIA16,7961,992–
1952Dickenson County, VAVA13,2361,990–
1953Martin County, MNMN19,4401,988–
1954Martin County, ININ9,8561,982–
1955Menard County, ILIL11,8631,980–
1956Madison County, IDID55,1721,975–
1957Williamsburg, VAVA15,8611,970–
1958Concordia Parish, LALA17,8361,968–
1959Madison County, MOMO12,8581,964–
1960Shelby County, ILIL20,5761,964–
1961Davison County, SDSD20,0691,963–
1962Hopewell, VAVA23,2611,956–
1963Floyd County, VAVA15,7891,951–
1964Burnett County, WIWI17,2231,951–
1965Missaukee County, MIMI15,2741,949–
1966Westmoreland County, VAVA19,7151,948–
1967Bath County, KYKY13,1761,946–
1968Hardin County, IAIA16,4551,944–
1969Washington County, ILIL13,5641,942–
1970Clay County, ALAL14,2071,937–
1971Copiah County, MSMS27,4971,933–
1972Cass County, IAIA12,9601,929–
1973Crawford County, IAIA16,2371,928–
1974Bolivar County, MSMS28,2621,926–
1975Morgan County, OHOH13,6261,926–
1976Jackson County, TXTX15,3931,926–
1977Attala County, MSMS17,1001,925–
1978Aitkin County, MNMN16,2521,920–
1979Box Butte County, NENE10,4941,918–
1980Vinton County, OHOH12,6451,918–
1981Hockley County, TXTX21,6001,912–
1982Noble County, OHOH14,2761,910–
1983Ohio County, KYKY23,9341,907–
1984Box Elder County, UTUT65,3201,900–
1985Bibb County, ALAL22,2621,899–
1986Bristol, VAVA16,4181,897–
1987Sumter County, GAGA28,8011,896–
1988Nantucket County, MAMA14,7581,894–
1989Red Willow County, NENE10,3071,891–
1990Crawford County, ININ10,5091,881–
1991Okfuskee County, OKOK11,4511,877–
1992Rockcastle County, KYKY16,1481,876–
1993Webster County, MSMS10,1671,875–
1994Greene County, VAVA21,9581,875–
1995Unicoi County, TNTN17,8561,874–
1996Grundy County, IAIA12,3611,874–
1997Scott County, TNTN22,6711,870–
1998Montgomery County, NCNC26,4031,868–
1999West Baton Rouge Parish, LALA28,7561,868–
2000Pike County, ALAL33,6881,865–
SHOWING 1,501–2,000 OF 3,130

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS