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 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

RANKPLACESTATEPOPSCOTCH-IRISH POPULATIONVS 2000

2001Lafayette County, ARAR5,888148–

2002Union County, KYKY12,839148–

2003Grant County, OROR7,075148–

2004Washington County, IDID11,583148–

2005White County, ININ25,164148–

2006Glacier County, MTMT13,463147–

2007Tucker County, WVWV6,540147–

2008Richland County, WIWI17,036147–

2009Crisp County, GAGA19,237147–

2010Jo Daviess County, ILIL21,594147–

2011DeWitt County, TXTX20,309146–

2012Scott County, ININ25,053146–

2013Washington County, KYKY12,368145–

2014Mineral County, MTMT5,185145–

2015Calhoun County, SCSC14,188145–

2016Deaf Smith County, TXTX18,626145–

2017Kane County, UTUT8,597145–

2018Mahaska County, IAIA21,880145–

2019Jefferson County, KSKS18,296145–

2020Bienville Parish, LALA12,269144–

2021Glades County, FLFL13,270144–

2022Kodiak Island, AKAK12,387143–

2023Wadena County, MNMN14,388143–

2024Fall River County, SDSD7,467143–

2025Clay County, TNTN7,821143–

2026San Miguel County, COCO7,753143–

2027Owsley County, KYKY3,932143–

2028Crockett County, TNTN14,006142–

2029Schuyler County, ILIL6,657142–

2030Pike County, ININ12,003142–

2031Mills County, IAIA14,793142–

2032Clay County, ARAR14,052141–

2033Andrew County, MOMO18,241141–

2034Custer County, MTMT12,034141–

2035Pierce County, WIWI43,519141–

2036Rich County, UTUT2,687141–

2037Winn Parish, LALA14,961140–

2038Valley County, IDID12,831140–

2039Fayette County, ININ23,533140–

2040Coleman County, TXTX7,915140–

2041Ferry County, WAWA7,517140–

2042West Carroll Parish, LALA9,156139–

2043Butte County, SDSD10,856139–

2044Appomattox County, VAVA17,172139–

2045Burnett County, WIWI17,223139–

2046Dickinson County, KSKS18,637139–

2047Coosa County, ALAL10,161138–

2048Clark County, ARAR20,938138–

2049Grundy County, IAIA12,361138–

2050Neosho County, KSKS15,637138–

2051Casey County, KYKY16,205138–

2052Dawson County, TXTX11,776138–

2053Lafourche Parish, LALA95,505137–

2054Steele County, MNMN37,464137–

2055Ozark County, MOMO9,172137–

2056Mason County, KYKY16,936137–

2057Giles County, VAVA16,564137–

2058Lamar County, ALAL13,587136–

2059Dukes County, MAMA21,219136–

2060Scott County, MSMS28,073136–

2061Meade County, SDSD30,711136–

2062Ottawa County, KSKS5,744136–

2063Prowers County, COCO11,884136–

2064Mitchell County, GAGA20,467136–

2065Pike County, ILIL14,231136–

2066Dade County, MOMO7,804135–

2067Choctaw County, OKOK14,059134–

2068Carroll County, ININ20,655134–

2069Madison County, FLFL18,759134–

2070West Baton Rouge Parish, LALA28,756134–

2071Jackson County, WIWI20,999134–

2072Franklin County, MSMS7,491133–

2073Stark County, NDND34,013133–

2074Codington County, SDSD29,562133–

2075McCreary County, KYKY17,124133–

2076Clay County, SDSD15,031132–

2077Perry County, TNTN9,126132–

2078San Saba County, TXTX5,787132–

2079Hardee County, FLFL25,932132–

2080Humboldt County, NVNV17,267132–

2081Pike County, MOMO17,955131–

2082Northampton County, NCNC16,491131–

2083Pembina County, NDND6,568131–

2084Putnam County, OHOH34,380131–

2085Hamilton County, FLFL14,180131–

2086Hockley County, TXTX21,600130–

2087Shawano County, WIWI41,560130–

2088Las Animas County, COCO14,391130–

2089Plymouth County, IAIA25,697130–

2090Trigg County, KYKY14,512130–

2091Wilcox County, ALAL9,666129–

2092Arkansas County, ARAR15,836129–

2093Nolan County, TXTX14,117129–

2094Martin County, NCNC21,601128–

2095Claiborne Parish, LALA13,354128–

2096Marion County, MOMO28,525128–

2097Harney County, OROR7,380128–

2098Buckingham County, VAVA17,137128–

2099Washington County, GAGA19,453128–

2100Gates County, NCNC10,234127–

2101Tama County, IAIA16,796127–

2102Scott County, KSKS4,815127–

2103Somerset County, MDMD24,973127–

2104Mercer County, OHOH42,737126–

2105Hutchinson County, TXTX19,633126–

2106Platte County, NENE35,649125–

2107Mills County, TXTX4,580125–

2108San Augustine County, TXTX7,722125–

2109St. John the Baptist Parish, LALA39,875125–

2110Worth County, GAGA20,059125–

2111Cass County, IAIA12,960125–

2112Montgomery County, IAIA10,002125–

2113Carroll County, KYKY11,141125–

2114Newton County, ARAR7,026124–

2115Mower County, MNMN40,971124–

2116Chickasaw County, MSMS16,730124–

2117Otoe County, NENE16,531124–

2118Floyd County, IAIA14,901124–

2119Bourbon County, KYKY20,243123–

2120Ashland County, WIWI16,203123–

2121Franklin County, ININ23,286123–

2122Owen County, ININ21,886123–

2123Ramsey County, NDND11,530122–

2124Noble County, OKOK10,899122–

2125Vilas County, WIWI23,761122–

2126Atchison County, MOMO5,175121–

2127Fayette County, TXTX25,459121–

2128Dickenson County, VAVA13,236121–

2129New Madrid County, MOMO15,086121–

2130Jeff Davis County, GAGA15,219121–

2131Clay County, KYKY19,465121–

2132Martinsville, VAVA13,849121–

2133Arenac County, MIMI15,068120–

2134Mille Lacs County, MNMN27,753120–

2135Douglas County, MOMO12,342120–

2136Haskell County, OKOK11,787120–

2137Lincoln County, WIWI28,403120–

2138Washburn County, WIWI17,087120–

2139LaSalle Parish, LALA15,154119–

2140Kalkaska County, MIMI18,693119–

2141Moniteau County, MOMO15,428119–

2142La Salle County, TXTX6,517119–

2143McCulloch County, TXTX7,472119–

2144Millard County, UTUT14,057119–

2145Boone County, WVWV20,251119–

2146Franklin County, TXTX10,994119–

2147Asotin County, WAWA22,545119–

2148Nevada County, ARAR7,942118–

2149Catron County, NMNM3,827118–

2150Seminole County, OKOK23,441118–

2151Kleberg County, TXTX30,315118–

2152Inyo County, CACA18,158117–

2153Gasconade County, MOMO14,784117–

2154Hamilton County, TXTX8,680117–

2155Union County, FLFL16,250117–

2156Keokuk County, IAIA9,797117–

2157Franklin Parish, LALA19,002116–

2158Pine County, MNMN30,472116–

2159Saline County, MOMO23,265116–

2160Murray County, OKOK13,805116–

2161Brunswick County, VAVA15,727116–

2162Hancock County, IAIA10,528116–

2163Sherman County, KSKS5,763116–

2164Lyon County, KYKY9,123116–

2165Mississippi County, MOMO12,003115–

2166Cameron County, PAPA4,211115–

2167Greene County, IAIA8,658115–

2168Jefferson County, OROR25,740115–

2169Cassia County, IDID26,397115–

2170Switzerland County, ININ10,037115–

2171Wayne County, IAIA6,738115–

2172Green County, WIWI37,227115–

2173Cleburne County, ALAL15,970114–

2174Tallahatchie County, MSMS10,877114–

2175Livingston County, MOMO14,708114–

2176Atoka County, OKOK14,609114–

2177Lunenburg County, VAVA12,058114–

2178Red Willow County, NENE10,307114–

2179Sumter County, GAGA28,801114–

2180Moultrie County, ILIL14,371114–

2181Wells County, ININ28,883114–

2182Cheyenne County, NENE9,528114–

2183Sevier County, UTUT22,827114–

2184Crenshaw County, ALAL13,175113–

2185Macon County, MOMO15,190113–

2186York County, NENE14,564113–

2187Nowata County, OKOK9,522113–

2188Leon County, TXTX16,894113–

2189Pemiscot County, MOMO14,465113–

2190Douglas County, ILIL19,880113–

2191Fayette County, IAIA19,047113–

2192Gray County, TXTX20,919112–

2193Seminole County, GAGA9,162112–

2194Ford County, ILIL13,216112–

2195Koochiching County, MNMN11,587111–

2196Smith County, MSMS13,991111–

2197Howard County, MOMO10,180111–

2198Lake County, OROR8,187111–

2199Hampton County, SCSC18,174111–

2200Brown County, SDSD37,561111–

2201Highland County, VAVA2,318111–

2202Bleckley County, GAGA12,866111–

2203Clay County, IAIA16,202111–

2204Seward County, KSKS21,073111–

2205Adams County, WAWA21,488111–

2206Keith County, NENE8,100110–

2207Lamb County, TXTX12,579110–

2208Heard County, GAGA12,149110–

2209Jackson Parish, LALA15,834109–

2210Winston County, MSMS17,473109–

2211Ralls County, MOMO10,444109–

2212Clay County, ILIL12,793109–

2213Monroe County, KYKY11,191109–

2214Ward County, TXTX11,125109–

2215Juneau County, WIWI26,649109–

2216Bee County, TXTX32,515108–

2217Beckham County, OKOK22,159108–

2218Marshall County, OKOK16,255108–

2219Decatur County, IAIA7,655108–

2220Oconto County, WIWI40,195108–

2221Cerro Gordo County, IAIA42,372108–

2222Nantucket County, MAMA14,758107–

2223Benton County, MNMN41,744107–

2224Clarke County, MSMS15,102107–

2225Decatur County, TNTN11,820107–

2226Custer County, COCO5,590107–

2227Washington County, COCO4,732107–

2228Candler County, GAGA11,275107–

2229Union County, ILIL16,656107–

2230Iowa County, WIWI23,951107–

2231Marinette County, WIWI42,574107–

2232Caldwell County, MOMO9,012106–

2233Alfalfa County, OKOK5,649106–

2234Pushmataha County, OKOK10,807106–

2235McDuffie County, GAGA21,640106–

2236Buchanan County, IAIA20,883106–

2237Searcy County, ARAR7,848105–

2238Hubbard County, MNMN22,369105–

2239Nemaha County, NENE7,102105–

2240Sierra County, NMNM11,395105–

2241Morgan County, OHOH13,626105–

2242Adams County, WIWI21,752105–

2243Bayfield County, WIWI16,787105–

2244Pulaski County, ININ12,463105–

2245Madison County, IAIA17,270105–

2246Valley County, MTMT7,385105–

2247Forest County, PAPA6,614105–

2248Val Verde County, TXTX47,835105–

2249Franklin County, ARAR17,725104–

2250Musselshell County, MTMT5,582104–

2251Essex County, VAVA10,654104–

2252Randolph County, ARAR18,876103–

2253Caldwell County, KYKY12,609103–

2254Polk County, MNMN30,545103–

2255Washita County, OKOK10,884103–

2256Gonzales County, TXTX20,159103–

2257Calumet County, WIWI53,982103–

2258Allen County, KSKS12,302102–

2259Crittenden County, KYKY8,807102–

2260Sunflower County, MSMS22,893101–

2261Bradley County, ARAR9,828100–

2262Dewey County, OKOK4,207100–

2263Allendale County, SCSC7,355100–

2264Crawford County, ININ10,509100–

2265Louisa County, IAIA10,416100–

2266Linn County, KSKS9,950100–

2267Holmes County, OHOH44,97099–

2268Real County, TXTX2,74599–

2269Brewster County, TXTX9,45899–

2270Lincoln County, KYKY25,35399–

2271Crosby County, TXTX4,85299–

2272Greene County, ILIL11,31399–

2273Miami County, ININ34,48799–

2274Spencer County, ININ20,06199–

2275Cross County, ARAR16,18698–

2276Schuyler County, MOMO4,14098–

2277Hughes County, OKOK13,45598–

2278Adams County, ININ36,65098–

2279Metcalfe County, KYKY10,58398–

2280Southeast Fairbanks Census Area, AKAK7,27097–

2281Allen Parish, LALA22,67297–

2282Avoyelles Parish, LALA37,94197–

2283Johnson County, WYWY8,90897–

2284Benewah County, IDID10,50897–

2285Prince of Wales-Hyder Census Area, AKAK5,77796–

2286Colusa County, CACA21,83696–

2287Wilkinson County, MSMS7,58296–

2288Kossuth County, IAIA14,32296–

2289Marshall County, KSKS9,85296–

2290Coal County, OKOK5,43695–

2291Jack County, TXTX9,56395–

2292Karnes County, TXTX15,01895–

2293Trinity County, CACA15,72095–

2294Guthrie County, IAIA10,78295–

2295Crawford County, MIMI13,72294–

2296Yalobusha County, MSMS12,37594–

2297Daviess County, MOMO8,55894–

2298Kimball County, NENE3,39194–

2299Box Butte County, NENE10,49494–

2300Thomas County, KSKS7,72594–

2301Jackson County, KYKY13,32594–

2302Madison County, ARAR18,41093–

2303Phillips County, ARAR14,25593–

2304Kandiyohi County, MNMN44,72093–

2305Crawford County, WIWI15,91093–

2306Van Wert County, OHOH29,01393–

2307Palo Alto County, IAIA8,89993–

2308Lake County, COCO7,55292–

2309Teton County, MTMT6,49692–

2310Trimble County, KYKY8,70192–

2311Faribault County, MNMN13,88892–

2312Cumberland County, ILIL10,20892–

2313Pendleton County, KYKY14,80092–

2314Kemper County, MSMS8,60091–

2315Monroe County, OHOH12,99491–

2316Paulding County, OHOH18,72791–

2317Hughes County, SDSD17,57091–

2318Holmes County, FLFL20,11991–

2319Teton County, IDID13,25491–

2320Van Buren County, IAIA7,13191–

2321Petersburg, VAVA33,73491–

2322Jackson County, ARAR16,74190–

2323Van Buren County, TNTN6,87490–

2324Grant Parish, LALA22,07590–

2325Iberville Parish, LALA29,57990–

2326Montmorency County, MIMI9,84290–

2327McCormick County, SCSC10,21590–

2328Redwood County, MNMN15,26589–

2329Todd County, MNMN26,06089–

2330Ellis County, OKOK3,61389–

2331Fremont County, IDID14,20889–

2332Clayton County, IAIA16,84589–

2333Page County, IAIA14,85689–

2334Lawrence County, KYKY15,76589–

2335Carlton County, MNMN36,71188–

2336Montgomery County, MOMO11,59088–

2337Bottineau County, NDND6,28488–

2338Cumberland County, VAVA10,35288–

2339Price County, WIWI13,98888–

2340Crowley County, COCO5,67788–

2341Evans County, GAGA11,02888–

2342Clark County, ILIL15,11488–

2343Aitkin County, MNMN16,25287–

2344Seward County, NENE18,03287–

2345Brown County, KSKS9,10487–

2346Sheridan County, KSKS2,42787–

2347Magoffin County, KYKY11,11087–

2348Macon County, GAGA11,75686–

2349Cottonwood County, MNMN11,40586–

2350Morrison County, MNMN34,62086–

2351Benton County, MSMS7,50286–

2352Lake County, TNTN6,24986–

2353Dallam County, TXTX7,50886–

2354Rains County, TXTX13,54286–

2355Franklin County, IAIA9,86886–

2356Yates County, NYNY24,54786–

2357Petersburg, AKAK3,39485–

2358Chouteau County, MTMT5,86585–

2359Moody County, SDSD6,63285–

2360Hale County, TXTX31,81985–

2361Rusk County, WIWI14,14685–

2362Mitchell County, IAIA10,65085–

2363Monroe County, IAIA7,40685–

2364Hardeman County, TXTX3,29285–

2365Randolph County, GAGA6,15684–

2366Lawrence County, ILIL13,79084–

2367Rio Blanco County, COCO6,68384–

2368Miller County, GAGA5,81284–

2369Alexander County, ILIL4,57084–

2370Clay County, KSKS7,99084–

2371Haywood County, TNTN17,04284–

2372Ashley County, ARAR17,83183–

2373Scott County, ARAR9,96583–

2374Dawson County, NENE24,45283–

2375Marion County, TXTX9,89683–

2376Red River County, TXTX11,81683–

2377Waushara County, WIWI25,22383–

2378Dixie County, FLFL18,03883–

2379Atkinson County, GAGA8,45483–

2380Wilson County, KSKS8,29983–

2381Bath County, KYKY13,17682–

2382Reynolds County, MOMO5,99282–

2383Wabash County, ILIL10,90782–

2384Appanoose County, IAIA12,07782–

2385Pratt County, KSKS9,11782–

2386Pulaski County, GAGA10,17281–

2387Grant County, WVWV11,04181–

2388Amite County, MSMS12,48781–

2389Phelps County, NENE8,99481–

2390Johnston County, OKOK10,44881–

2391Gooding County, IDID16,44681–

2392Hardin County, ILIL3,58881–

2393Fulton County, ININ20,09181–

2394Hardin County, IAIA16,45581–

2395Elliott County, KYKY7,26581–

2396Frio County, TXTX18,82381–

2397Tunica County, MSMS8,81980–

2398Wheatland County, MTMT2,10080–

2399Northampton County, VAVA11,87980–

2400Brown County, MNMN25,51779–

2401Jasper County, SCSC38,53379–

2402Jackson County, TXTX15,39379–

2403Menard County, TXTX1,95679–

2404Clark County, WIWI35,05279–

2405Gilpin County, COCO6,07379–

2406Parke County, ININ16,64279–

2407Mitchell County, KSKS5,59079–

2408Logan County, ARAR21,63378–

2409Caldwell Parish, LALA9,34478–

2410St. Martin Parish, LALA51,10678–

2411Washington County, NCNC10,63878–

2412Turner County, GAGA8,98378–

2413Warren County, ININ8,47478–

2414Jones County, IAIA21,25378–

2415Phillips County, KSKS4,72878–

2416Smith County, KSKS3,56678–

2417Kanabec County, MNMN16,62877–

2418Linn County, MOMO11,81577–

2419Morrow County, OROR12,60277–

2420Wahkiakum County, WAWA4,87377–

2421Richardson County, NENE7,53077–

2422Grant County, KSKS7,02877–

2423Lincoln County, WAWA11,98277–

2424Skamania County, WAWA12,66977–

2425Hemphill County, TXTX3,08376–

2426Sussex County, VAVA10,75576–

2427Henderson County, ILIL5,98476–

2428Alamosa County, COCO16,68876–

2429Adams County, IDID5,01376–

2430Hamilton County, KSKS2,50076–

2431St. Francis County, ARAR21,80075–

2432Crook County, WYWY7,85275–

2433Bullock County, ALAL9,78075–

2434Union County, ININ6,86375–

2435Greer County, OKOK5,37375–

2436Hill County, MTMT16,16774–

2437Yankton County, SDSD23,63574–

2438Stark County, ILIL5,31974–

2439Brown County, ININ15,77774–

2440Jackson County, IAIA19,28874–

2441Morris County, KSKS5,34874–

2442Lee County, KYKY7,29774–

2443Iron County, MIMI11,75773–

2444Leake County, MSMS21,66273–

2445Marion County, MSMS24,00173–

2446DeKalb County, MOMO9,79573–

2447Dawes County, NENE7,85873–

2448Lander County, NVNV5,87273–

2449Rio Arriba County, NMNM39,83273–

2450Winkler County, TXTX7,54073–

2451McDowell County, WVWV16,87873–

2452Castro County, TXTX7,29573–

2453Brown County, ILIL6,40173–

2454Lyon County, IAIA12,35473–

2455Marquette County, WIWI15,92773–

2456Santa Cruz County, AZAZ50,02072–

2457Walthall County, MSMS13,92872–

2458Perry County, MOMO19,09372–

2459Hansford County, TXTX4,94472–

2460Somervell County, TXTX10,26172–

2461Screven County, GAGA14,40872–

2462Chickasaw County, IAIA11,66372–

2463Hancock County, KYKY9,05072–

2464McLean County, KYKY9,06472–

2465Piute County, UTUT1,50972–

2466Hamilton County, NENE9,67871–

2467Lincoln County, NVNV4,32071–

2468McHenry County, NDND5,13071–

2469Camp County, TXTX13,38071–

2470Sheridan County, NENE4,80971–

2471Saguache County, COCO6,73271–

2472Ellsworth County, KSKS6,25771–

2473Madison County, MOMO12,85870–

2474Powell County, MTMT7,15770–

2475Swisher County, TXTX6,70370–

2476Appling County, GAGA19,10070–

2477Wright County, IAIA12,80170–

2478Howard County, ARAR12,30669–

2479Morehouse Parish, LALA23,70569–

2480Wabasha County, MNMN21,53769–

2481Noxubee County, MSMS9,79869–

2482Holt County, NENE10,06769–

2483Beadle County, SDSD19,62469–

2484Parmer County, TXTX9,67869–

2485Upton County, TXTX3,13169–

2486Ringgold County, IAIA4,64269–

2487Coffey County, KSKS8,46769–

2488Clarke County, IAIA9,57468–

2489Menominee County, MIMI22,94168–

2490Runnels County, TXTX9,69368–

2491Sawyer County, WIWI18,84668–

2492Washakie County, WYWY7,59768–

2493Ouray County, COCO5,26568–

2494Concordia Parish, LALA17,83667–

2495Cook County, MNMN5,52267–

2496Meagher County, MTMT2,13767–

2497Terry County, TXTX11,72067–

2498Graham County, KSKS2,37167–

2499Kingman County, KSKS7,02967–

2500Presque Isle County, MIMI13,12866–

SHOWING 2,001–2,500 OF 3,101

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