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RANKING · 2020 CENSUS · 500 SHOWN OF 3,101

Largest Scotch-Irish population, US counties · 2020

US counties ranked by the number of residents who are Scotch-Irish ancestry, from the 2020 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV.

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RANKPLACESTATEPOPSCOTCH-IRISH POPULATIONVS 2010
2001Lafayette County, ARAR5,888148+114%
2002Union County, KYKY12,839148−2%
2003Grant County, OROR7,075148−49%
2004Washington County, IDID11,583148−33%
2005White County, ININ25,164148−63%
2006Glacier County, MTMT13,463147+99%
2007Tucker County, WVWV6,540147+137%
2008Richland County, WIWI17,036147−26%
2009Crisp County, GAGA19,237147−78%
2010Jo Daviess County, ILIL21,594147−27%
2011DeWitt County, TXTX20,309146−55%
2012Scott County, ININ25,053146−70%
2013Washington County, KYKY12,368145−46%
2014Mineral County, MTMT5,185145−1%
2015Calhoun County, SCSC14,188145−40%
2016Deaf Smith County, TXTX18,626145−24%
2017Kane County, UTUT8,597145−41%
2018Mahaska County, IAIA21,880145−68%
2019Jefferson County, KSKS18,296145−66%
2020Bienville Parish, LALA12,269144−59%
2021Glades County, FLFL13,270144−20%
2022Kodiak Island, AKAK12,387143−48%
2023Wadena County, MNMN14,388143+138%
2024Fall River County, SDSD7,467143−11%
2025Clay County, TNTN7,821143+13%
2026San Miguel County, COCO7,753143+1%
2027Owsley County, KYKY3,932143+127%
2028Crockett County, TNTN14,006142−42%
2029Schuyler County, ILIL6,657142+5%
2030Pike County, ININ12,003142−35%
2031Mills County, IAIA14,793142−57%
2032Clay County, ARAR14,052141−64%
2033Andrew County, MOMO18,241141−62%
2034Custer County, MTMT12,034141−59%
2035Pierce County, WIWI43,519141−47%
2036Rich County, UTUT2,687141+488%
2037Winn Parish, LALA14,961140−38%
2038Valley County, IDID12,831140−57%
2039Fayette County, ININ23,533140−64%
2040Coleman County, TXTX7,915140+103%
2041Ferry County, WAWA7,517140−49%
2042West Carroll Parish, LALA9,156139−52%
2043Butte County, SDSD10,856139−71%
2044Appomattox County, VAVA17,172139−56%
2045Burnett County, WIWI17,223139−5%
2046Dickinson County, KSKS18,637139−82%
2047Coosa County, ALAL10,161138+60%
2048Clark County, ARAR20,938138−74%
2049Grundy County, IAIA12,361138−28%
2050Neosho County, KSKS15,637138−62%
2051Casey County, KYKY16,205138−70%
2052Dawson County, TXTX11,776138+89%
2053Lafourche Parish, LALA95,505137−42%
2054Steele County, MNMN37,464137−36%
2055Ozark County, MOMO9,172137−47%
2056Mason County, KYKY16,936137−68%
2057Giles County, VAVA16,564137−80%
2058Lamar County, ALAL13,587136−53%
2059Dukes County, MAMA21,219136−64%
2060Scott County, MSMS28,073136−70%
2061Meade County, SDSD30,711136−76%
2062Ottawa County, KSKS5,744136−12%
2063Prowers County, COCO11,884136−30%
2064Mitchell County, GAGA20,467136−17%
2065Pike County, ILIL14,231136−28%
2066Dade County, MOMO7,804135−44%
2067Choctaw County, OKOK14,059134−50%
2068Carroll County, ININ20,655134−50%
2069Madison County, FLFL18,759134−64%
2070West Baton Rouge Parish, LALA28,756134−30%
2071Jackson County, WIWI20,999134+29%
2072Franklin County, MSMS7,491133−70%
2073Stark County, NDND34,013133−75%
2074Codington County, SDSD29,562133−66%
2075McCreary County, KYKY17,124133−73%
2076Clay County, SDSD15,031132−62%
2077Perry County, TNTN9,126132−45%
2078San Saba County, TXTX5,787132+2%
2079Hardee County, FLFL25,932132−31%
2080Humboldt County, NVNV17,267132−56%
2081Pike County, MOMO17,955131−28%
2082Northampton County, NCNC16,491131−67%
2083Pembina County, NDND6,568131−45%
2084Putnam County, OHOH34,380131−37%
2085Hamilton County, FLFL14,180131−32%
2086Hockley County, TXTX21,600130−77%
2087Shawano County, WIWI41,560130−35%
2088Las Animas County, COCO14,391130−66%
2089Plymouth County, IAIA25,697130−59%
2090Trigg County, KYKY14,512130−69%
2091Wilcox County, ALAL9,666129+34%
2092Arkansas County, ARAR15,836129−31%
2093Nolan County, TXTX14,117129−58%
2094Martin County, NCNC21,601128−53%
2095Claiborne Parish, LALA13,354128−56%
2096Marion County, MOMO28,525128−82%
2097Harney County, OROR7,380128−54%
2098Buckingham County, VAVA17,137128−11%
2099Washington County, GAGA19,453128−25%
2100Gates County, NCNC10,234127−58%
2101Tama County, IAIA16,796127−54%
2102Scott County, KSKS4,815127−18%
2103Somerset County, MDMD24,973127−55%
2104Mercer County, OHOH42,737126−55%
2105Hutchinson County, TXTX19,633126−81%
2106Platte County, NENE35,649125−62%
2107Mills County, TXTX4,580125−18%
2108San Augustine County, TXTX7,722125−26%
2109St. John the Baptist Parish, LALA39,875125−53%
2110Worth County, GAGA20,059125−82%
2111Cass County, IAIA12,960125−58%
2112Montgomery County, IAIA10,002125−32%
2113Carroll County, KYKY11,141125−59%
2114Newton County, ARAR7,026124−29%
2115Mower County, MNMN40,971124−62%
2116Chickasaw County, MSMS16,730124−5%
2117Otoe County, NENE16,531124−34%
2118Floyd County, IAIA14,901124−42%
2119Bourbon County, KYKY20,243123−71%
2120Ashland County, WIWI16,203123−35%
2121Franklin County, ININ23,286123−38%
2122Owen County, ININ21,886123−61%
2123Ramsey County, NDND11,530122+49%
2124Noble County, OKOK10,899122−37%
2125Vilas County, WIWI23,761122−43%
2126Atchison County, MOMO5,175121−40%
2127Fayette County, TXTX25,459121−56%
2128Dickenson County, VAVA13,236121−81%
2129New Madrid County, MOMO15,086121−57%
2130Jeff Davis County, GAGA15,219121+38%
2131Clay County, KYKY19,465121−13%
2132Martinsville, VAVA13,849121−63%
2133Arenac County, MIMI15,068120−50%
2134Mille Lacs County, MNMN27,753120−55%
2135Douglas County, MOMO12,342120−31%
2136Haskell County, OKOK11,787120−64%
2137Lincoln County, WIWI28,403120−64%
2138Washburn County, WIWI17,087120−44%
2139LaSalle Parish, LALA15,154119−47%
2140Kalkaska County, MIMI18,693119−65%
2141Moniteau County, MOMO15,428119−59%
2142La Salle County, TXTX6,517119+325%
2143McCulloch County, TXTX7,472119−4%
2144Millard County, UTUT14,057119+159%
2145Boone County, WVWV20,251119−81%
2146Franklin County, TXTX10,994119−43%
2147Asotin County, WAWA22,545119−75%
2148Nevada County, ARAR7,942118−55%
2149Catron County, NMNM3,827118+39%
2150Seminole County, OKOK23,441118−58%
2151Kleberg County, TXTX30,315118−62%
2152Inyo County, CACA18,158117−72%
2153Gasconade County, MOMO14,784117−39%
2154Hamilton County, TXTX8,680117−48%
2155Union County, FLFL16,250117−59%
2156Keokuk County, IAIA9,797117−36%
2157Franklin Parish, LALA19,002116−73%
2158Pine County, MNMN30,472116−66%
2159Saline County, MOMO23,265116−82%
2160Murray County, OKOK13,805116−51%
2161Brunswick County, VAVA15,727116−40%
2162Hancock County, IAIA10,528116+38%
2163Sherman County, KSKS5,763116−22%
2164Lyon County, KYKY9,123116−50%
2165Mississippi County, MOMO12,003115−37%
2166Cameron County, PAPA4,211115−4%
2167Greene County, IAIA8,658115−41%
2168Jefferson County, OROR25,740115−43%
2169Cassia County, IDID26,397115−50%
2170Switzerland County, ININ10,037115−67%
2171Wayne County, IAIA6,738115−57%
2172Green County, WIWI37,227115−72%
2173Cleburne County, ALAL15,970114−48%
2174Tallahatchie County, MSMS10,877114−86%
2175Livingston County, MOMO14,708114−46%
2176Atoka County, OKOK14,609114−61%
2177Lunenburg County, VAVA12,058114−75%
2178Red Willow County, NENE10,307114−41%
2179Sumter County, GAGA28,801114−71%
2180Moultrie County, ILIL14,371114−50%
2181Wells County, ININ28,883114−28%
2182Cheyenne County, NENE9,528114+41%
2183Sevier County, UTUT22,827114−51%
2184Crenshaw County, ALAL13,175113−57%
2185Macon County, MOMO15,190113−46%
2186York County, NENE14,564113−26%
2187Nowata County, OKOK9,522113−26%
2188Leon County, TXTX16,894113−72%
2189Pemiscot County, MOMO14,465113−20%
2190Douglas County, ILIL19,880113−71%
2191Fayette County, IAIA19,047113−3%
2192Gray County, TXTX20,919112−74%
2193Seminole County, GAGA9,162112−6%
2194Ford County, ILIL13,216112−41%
2195Koochiching County, MNMN11,587111−19%
2196Smith County, MSMS13,991111−73%
2197Howard County, MOMO10,180111−64%
2198Lake County, OROR8,187111−61%
2199Hampton County, SCSC18,174111−15%
2200Brown County, SDSD37,561111−71%
2201Highland County, VAVA2,318111−64%
2202Bleckley County, GAGA12,866111+17%
2203Clay County, IAIA16,202111−49%
2204Seward County, KSKS21,073111−57%
2205Adams County, WAWA21,488111−35%
2206Keith County, NENE8,100110−34%
2207Lamb County, TXTX12,579110−49%
2208Heard County, GAGA12,149110−53%
2209Jackson Parish, LALA15,834109−78%
2210Winston County, MSMS17,473109−77%
2211Ralls County, MOMO10,444109−34%
2212Clay County, ILIL12,793109−68%
2213Monroe County, KYKY11,191109+91%
2214Ward County, TXTX11,125109−55%
2215Juneau County, WIWI26,649109−66%
2216Bee County, TXTX32,515108−77%
2217Beckham County, OKOK22,159108−77%
2218Marshall County, OKOK16,255108−54%
2219Decatur County, IAIA7,655108−34%
2220Oconto County, WIWI40,195108−58%
2221Cerro Gordo County, IAIA42,372108−81%
2222Nantucket County, MAMA14,758107−63%
2223Benton County, MNMN41,744107−48%
2224Clarke County, MSMS15,102107−51%
2225Decatur County, TNTN11,820107−59%
2226Custer County, COCO5,590107+6%
2227Washington County, COCO4,732107−35%
2228Candler County, GAGA11,275107+110%
2229Union County, ILIL16,656107−50%
2230Iowa County, WIWI23,951107−43%
2231Marinette County, WIWI42,574107−69%
2232Caldwell County, MOMO9,012106−52%
2233Alfalfa County, OKOK5,649106+29%
2234Pushmataha County, OKOK10,807106−43%
2235McDuffie County, GAGA21,640106−74%
2236Buchanan County, IAIA20,883106−58%
2237Searcy County, ARAR7,848105−20%
2238Hubbard County, MNMN22,369105−54%
2239Nemaha County, NENE7,102105−28%
2240Sierra County, NMNM11,395105−57%
2241Morgan County, OHOH13,626105−65%
2242Adams County, WIWI21,752105−59%
2243Bayfield County, WIWI16,787105−61%
2244Pulaski County, ININ12,463105−37%
2245Madison County, IAIA17,270105−70%
2246Valley County, MTMT7,385105−9%
2247Forest County, PAPA6,614105−53%
2248Val Verde County, TXTX47,835105−69%
2249Franklin County, ARAR17,725104−69%
2250Musselshell County, MTMT5,582104−8%
2251Essex County, VAVA10,654104−54%
2252Randolph County, ARAR18,876103−67%
2253Caldwell County, KYKY12,609103−69%
2254Polk County, MNMN30,545103−68%
2255Washita County, OKOK10,884103−52%
2256Gonzales County, TXTX20,159103−81%
2257Calumet County, WIWI53,982103−61%
2258Allen County, KSKS12,302102−29%
2259Crittenden County, KYKY8,807102−41%
2260Sunflower County, MSMS22,893101−63%
2261Bradley County, ARAR9,828100−36%
2262Dewey County, OKOK4,207100−17%
2263Allendale County, SCSC7,355100−6%
2264Crawford County, ININ10,509100−43%
2265Louisa County, IAIA10,416100−70%
2266Linn County, KSKS9,950100−56%
2267Holmes County, OHOH44,97099−63%
2268Real County, TXTX2,74599−63%
2269Brewster County, TXTX9,45899−70%
2270Lincoln County, KYKY25,35399−69%
2271Crosby County, TXTX4,85299−33%
2272Greene County, ILIL11,31399−65%
2273Miami County, ININ34,48799−73%
2274Spencer County, ININ20,06199−71%
2275Cross County, ARAR16,18698−67%
2276Schuyler County, MOMO4,14098−10%
2277Hughes County, OKOK13,45598−62%
2278Adams County, ININ36,65098−67%
2279Metcalfe County, KYKY10,58398−58%
2281Allen Parish, LALA22,67297−30%
2282Avoyelles Parish, LALA37,94197−49%
2283Johnson County, WYWY8,90897−57%
2284Benewah County, IDID10,50897−49%
2286Colusa County, CACA21,83696−60%
2287Wilkinson County, MSMS7,58296+23%
2288Kossuth County, IAIA14,32296−44%
2289Marshall County, KSKS9,85296−43%
2290Coal County, OKOK5,43695−34%
2291Jack County, TXTX9,56395−69%
2292Karnes County, TXTX15,01895−39%
2293Trinity County, CACA15,72095−85%
2294Guthrie County, IAIA10,78295−63%
2295Crawford County, MIMI13,72294−75%
2296Yalobusha County, MSMS12,37594−52%
2297Daviess County, MOMO8,55894−45%
2298Kimball County, NENE3,39194−54%
2299Box Butte County, NENE10,49494−57%
2300Thomas County, KSKS7,72594+34%
2301Jackson County, KYKY13,32594+224%
2302Madison County, ARAR18,41093−78%
2303Phillips County, ARAR14,25593−10%
2304Kandiyohi County, MNMN44,72093−69%
2305Crawford County, WIWI15,91093−42%
2306Van Wert County, OHOH29,01393−76%
2307Palo Alto County, IAIA8,89993+55%
2308Lake County, COCO7,55292−39%
2309Teton County, MTMT6,49692−12%
2310Trimble County, KYKY8,70192−58%
2311Faribault County, MNMN13,88892−19%
2312Cumberland County, ILIL10,20892−47%
2313Pendleton County, KYKY14,80092−72%
2314Kemper County, MSMS8,60091−77%
2315Monroe County, OHOH12,99491−53%
2316Paulding County, OHOH18,72791−28%
2317Hughes County, SDSD17,57091−63%
2318Holmes County, FLFL20,11991−63%
2319Teton County, IDID13,25491−65%
2320Van Buren County, IAIA7,13191−60%
2321Petersburg, VAVA33,73491−39%
2322Jackson County, ARAR16,74190−26%
2323Van Buren County, TNTN6,87490−27%
2324Grant Parish, LALA22,07590−77%
2325Iberville Parish, LALA29,57990+20%
2326Montmorency County, MIMI9,84290−68%
2327McCormick County, SCSC10,21590−60%
2328Redwood County, MNMN15,26589−23%
2329Todd County, MNMN26,06089−44%
2330Ellis County, OKOK3,61389−30%
2331Fremont County, IDID14,20889+7%
2332Clayton County, IAIA16,84589−33%
2333Page County, IAIA14,85689−71%
2334Lawrence County, KYKY15,76589−78%
2335Carlton County, MNMN36,71188−58%
2336Montgomery County, MOMO11,59088−61%
2337Bottineau County, NDND6,28488+5%
2338Cumberland County, VAVA10,35288−84%
2339Price County, WIWI13,98888−41%
2340Crowley County, COCO5,67788+40%
2341Evans County, GAGA11,02888−32%
2342Clark County, ILIL15,11488−75%
2343Aitkin County, MNMN16,25287−70%
2344Seward County, NENE18,03287−66%
2345Brown County, KSKS9,10487−63%
2346Sheridan County, KSKS2,42787+89%
2347Magoffin County, KYKY11,11087−62%
2348Macon County, GAGA11,75686−26%
2349Cottonwood County, MNMN11,40586−33%
2350Morrison County, MNMN34,62086−44%
2351Benton County, MSMS7,50286+8%
2352Lake County, TNTN6,24986+28%
2353Dallam County, TXTX7,50886−60%
2354Rains County, TXTX13,54286−69%
2355Franklin County, IAIA9,86886−35%
2356Yates County, NYNY24,54786−79%
2357Petersburg, AKAK3,39485+57%
2358Chouteau County, MTMT5,86585+20%
2359Moody County, SDSD6,63285+47%
2360Hale County, TXTX31,81985−78%
2361Rusk County, WIWI14,14685−38%
2362Mitchell County, IAIA10,65085−26%
2363Monroe County, IAIA7,40685−31%
2364Hardeman County, TXTX3,29285−24%
2365Randolph County, GAGA6,15684+68%
2366Lawrence County, ILIL13,79084−50%
2367Rio Blanco County, COCO6,68384−46%
2368Miller County, GAGA5,81284+31%
2369Alexander County, ILIL4,57084−31%
2370Clay County, KSKS7,99084−74%
2371Haywood County, TNTN17,04284−53%
2372Ashley County, ARAR17,83183−84%
2373Scott County, ARAR9,96583−64%
2374Dawson County, NENE24,45283−69%
2375Marion County, TXTX9,89683−70%
2376Red River County, TXTX11,81683−47%
2377Waushara County, WIWI25,22383−47%
2378Dixie County, FLFL18,03883−81%
2379Atkinson County, GAGA8,45483+26%
2380Wilson County, KSKS8,29983−61%
2381Bath County, KYKY13,17682−59%
2382Reynolds County, MOMO5,99282−4%
2383Wabash County, ILIL10,90782−65%
2384Appanoose County, IAIA12,07782−71%
2385Pratt County, KSKS9,11782−33%
2386Pulaski County, GAGA10,17281+16%
2387Grant County, WVWV11,04181−30%
2388Amite County, MSMS12,48781−70%
2389Phelps County, NENE8,99481−18%
2390Johnston County, OKOK10,44881−51%
2391Gooding County, IDID16,44681−55%
2392Hardin County, ILIL3,58881−14%
2393Fulton County, ININ20,09181−70%
2394Hardin County, IAIA16,45581−64%
2395Elliott County, KYKY7,26581−34%
2396Frio County, TXTX18,82381−33%
2397Tunica County, MSMS8,81980−55%
2398Wheatland County, MTMT2,10080+11%
2399Northampton County, VAVA11,87980−19%
2400Brown County, MNMN25,51779−74%
2401Jasper County, SCSC38,53379−90%
2402Jackson County, TXTX15,39379−70%
2403Menard County, TXTX1,95679+172%
2404Clark County, WIWI35,05279−38%
2405Gilpin County, COCO6,07379−29%
2406Parke County, ININ16,64279−64%
2407Mitchell County, KSKS5,59079−31%
2408Logan County, ARAR21,63378−60%
2409Caldwell Parish, LALA9,34478−66%
2410St. Martin Parish, LALA51,10678−61%
2411Washington County, NCNC10,63878−79%
2412Turner County, GAGA8,98378−33%
2413Warren County, ININ8,47478−45%
2414Jones County, IAIA21,25378−86%
2415Phillips County, KSKS4,72878−25%
2416Smith County, KSKS3,56678+66%
2417Kanabec County, MNMN16,62877−25%
2418Linn County, MOMO11,81577−68%
2419Morrow County, OROR12,60277−73%
2420Wahkiakum County, WAWA4,87377−37%
2421Richardson County, NENE7,53077−65%
2422Grant County, KSKS7,02877−31%
2423Lincoln County, WAWA11,98277−86%
2424Skamania County, WAWA12,66977−67%
2425Hemphill County, TXTX3,08376−45%
2426Sussex County, VAVA10,75576+10%
2427Henderson County, ILIL5,98476−64%
2428Alamosa County, COCO16,68876−74%
2429Adams County, IDID5,01376−55%
2430Hamilton County, KSKS2,50076+95%
2431St. Francis County, ARAR21,80075−76%
2432Crook County, WYWY7,85275−51%
2433Bullock County, ALAL9,78075+21%
2434Union County, ININ6,86375−45%
2435Greer County, OKOK5,37375−20%
2436Hill County, MTMT16,16774−59%
2437Yankton County, SDSD23,63574−60%
2438Stark County, ILIL5,31974−40%
2439Brown County, ININ15,77774−75%
2440Jackson County, IAIA19,28874−54%
2441Morris County, KSKS5,34874−65%
2442Lee County, KYKY7,297740%
2443Iron County, MIMI11,75773−38%
2444Leake County, MSMS21,66273−68%
2445Marion County, MSMS24,00173−86%
2446DeKalb County, MOMO9,79573−87%
2447Dawes County, NENE7,85873−67%
2448Lander County, NVNV5,87273−26%
2449Rio Arriba County, NMNM39,83273−80%
2450Winkler County, TXTX7,54073−9%
2451McDowell County, WVWV16,87873−71%
2452Castro County, TXTX7,29573−37%
2453Brown County, ILIL6,40173−54%
2454Lyon County, IAIA12,35473+83%
2455Marquette County, WIWI15,92773−60%
2456Santa Cruz County, AZAZ50,02072−65%
2457Walthall County, MSMS13,92872−79%
2458Perry County, MOMO19,09372−67%
2459Hansford County, TXTX4,94472−68%
2460Somervell County, TXTX10,26172−75%
2461Screven County, GAGA14,40872−80%
2462Chickasaw County, IAIA11,66372−19%
2463Hancock County, KYKY9,05072−65%
2464McLean County, KYKY9,06472−13%
2465Piute County, UTUT1,50972+454%
2466Hamilton County, NENE9,67871−66%
2467Lincoln County, NVNV4,32071+103%
2468McHenry County, NDND5,13071−56%
2469Camp County, TXTX13,38071−73%
2470Sheridan County, NENE4,80971−27%
2471Saguache County, COCO6,73271−23%
2472Ellsworth County, KSKS6,25771−18%
2473Madison County, MOMO12,85870−71%
2474Powell County, MTMT7,15770−59%
2475Swisher County, TXTX6,70370−53%
2476Appling County, GAGA19,10070−35%
2477Wright County, IAIA12,80170−73%
2478Howard County, ARAR12,30669−53%
2479Morehouse Parish, LALA23,70569−74%
2480Wabasha County, MNMN21,53769−55%
2481Noxubee County, MSMS9,79869−68%
2482Holt County, NENE10,06769−67%
2483Beadle County, SDSD19,62469−5%
2484Parmer County, TXTX9,67869−16%
2485Upton County, TXTX3,13169+57%
2486Ringgold County, IAIA4,64269−37%
2487Coffey County, KSKS8,46769−34%
2488Clarke County, IAIA9,57468−18%
2489Menominee County, MIMI22,94168−65%
2490Runnels County, TXTX9,69368−64%
2491Sawyer County, WIWI18,84668−57%
2492Washakie County, WYWY7,59768−59%
2493Ouray County, COCO5,26568−63%
2494Concordia Parish, LALA17,83667−85%
2495Cook County, MNMN5,52267−42%
2496Meagher County, MTMT2,13767−44%
2497Terry County, TXTX11,72067−79%
2498Graham County, KSKS2,37167−18%
2499Kingman County, KSKS7,02967−78%
2500Presque Isle County, MIMI13,12866−69%
SHOWING 2,001–2,500 OF 3,101

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