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

501Franklin County, VAVA55,5261,405–

502Sandoval County, NMNM159,5651,399–

503Johnson County, IAIA160,0441,395–

504Dutchess County, NYNY300,7081,388–

505Saginaw County, MIMI187,6881,383–

506Greene County, TNTN73,8311,382–

507Houston County, ALAL110,3181,381–

508Richmond County, GAGA206,5591,378–

509Bossier Parish, LALA131,8671,374–

510Passaic County, NJNJ531,6241,370–

511Lafayette Parish, LALA257,9491,363–

512Fayette County, GAGA125,1561,363–

513Tippecanoe County, ININ190,4561,363–

514Adams County, PAPA107,5941,362–

515Harrison County, WVWV64,2211,360–

516Frederick County, VAVA99,9551,359–

517Clark County, ININ130,4511,354–

518Jackson County, MIMI159,5521,352–

519Madison County, ININ135,0881,346–

520Fauquier County, VAVA76,5031,345–

521Navajo County, AZAZ109,9461,344–

522Tom Green County, TXTX120,6021,341–

523Tuscarawas County, OHOH92,3731,340–

524Kerr County, TXTX54,0371,339–

525Grafton County, NHNH93,2251,336–

526Essex County, NJNJ896,3791,330–

527Liberty County, TXTX121,3641,330–

528Lebanon County, PAPA146,3801,329–

529Bastrop County, TXTX118,9081,328–

530Lynchburg, VAVA81,3471,325–

531Venango County, PAPA49,3461,324–

532Monroe County, MIMI156,0041,322–

533Christian County, MOMO96,7251,320–

534Hendricks County, ININ193,5101,318–

535Faulkner County, ARAR133,9791,314–

536Yamhill County, OROR110,0241,312–

537Niagara County, NYNY208,9121,307–

538Wyandotte County, KSKS170,5971,306–

539Johnson County, TXTX218,0481,305–

540Douglas County, KSKS120,9201,305–

541St. Louis County, MNMN200,5181,302–

542Walton County, GAGA112,6961,300–

543Rockwall County, TXTX140,7381,298–

544Marshall County, ALAL103,5371,291–

545Lauderdale County, MSMS70,3171,291–

546Mercer County, NJNJ399,2891,290–

547Mitchell County, NCNC15,0621,289–

548Cullman County, ALAL94,0091,286–

549Buchanan County, MOMO83,5401,286–

550Potter County, TXTX114,4531,273–

551Loudon County, TNTN63,7641,272–

552Campbell County, VAVA55,6291,269–

553Robertson County, TNTN80,1751,268–

554Tazewell County, ILIL130,0491,264–

555Hampshire County, MAMA164,0651,260–

556Union County, NJNJ601,8631,257–

557Putnam County, WVWV56,8851,257–

558Monroe County, PAPA167,1791,254–

559Hood County, TXTX70,5011,251–

560Perry County, PAPA46,8061,248–

561Ohio County, WVWV40,4961,248–

562Platte County, MOMO114,4001,237–

563Laramie County, WYWY102,9381,237–

564Wayne County, OHOH116,7581,232–

565Nassau County, FLFL106,8791,230–

566Mason County, WAWA71,1651,230–

567Franklin County, NCNC82,0371,226–

568James City County, VAVA83,3261,226–

569Wood County, OHOH134,1761,224–

570Clearfield County, PAPA78,1001,222–

571Coconino County, AZAZ144,3681,211–

572Wichita County, TXTX129,5551,204–

573Josephine County, OROR87,8671,200–

574Burnet County, TXTX57,0151,188–

575St. Lawrence County, NYNY105,4881,186–

576Craven County, NCNC105,0251,184–

577Lincoln County, OROR50,6361,183–

578Hernando County, FLFL221,7011,183–

579Franklin County, MOMO108,0901,181–

580LaSalle County, ILIL107,7731,179–

581Hunt County, TXTX123,3361,176–

582Wood County, TXTX49,6881,175–

583Pulaski County, KYKY67,3841,175–

584Wilson County, NCNC81,1501,174–

585Cowlitz County, WAWA114,8851,172–

586Schenectady County, NYNY162,5811,168–

587St. Clair County, ALAL98,2061,167–

588Glynn County, GAGA87,5991,166–

589Broome County, NYNY195,7361,163–

590Etowah County, ALAL103,8861,158–

591Chautauqua County, NYNY124,1261,158–

592Ashe County, NCNC27,5141,155–

593Comanche County, OKOK122,1581,151–

594Richland County, OHOH124,8931,150–

595Jefferson County, OHOH63,5971,148–

596Effingham County, GAGA74,3971,148–

597Washington County, MDMD157,7311,146–

598Cumberland County, TNTN66,3001,145–

599Black Hawk County, IAIA131,5321,144–

600McLean County, ILIL171,4191,143–

601Yancey County, NCNC19,0841,142–

602Culpeper County, VAVA57,6661,142–

603Georgetown County, SCSC65,9121,141–

604Newport County, RIRI83,0511,140–

605Macon County, ILIL99,3001,139–

606Yadkin County, NCNC38,3251,129–

607Riley County, KSKS72,5981,125–

608Raleigh County, WVWV71,7751,123–

609Ulster County, NYNY183,3301,121–

610Garland County, ARAR99,6951,119–

611Island County, WAWA85,6571,119–

612Staunton, VAVA26,8011,114–

613Kenai Peninsula, AKAK61,9511,112–

614Transylvania County, NCNC34,2111,111–

615Doña Ana County, NMNM229,0911,109–

616Wakulla County, FLFL38,0891,109–

617Newton County, GAGA125,5831,109–

618Sampson County, NCNC61,5041,107–

619Nash County, NCNC99,3651,104–

620Athens County, OHOH63,1971,104–

621Pennington County, SDSD116,7921,102–

622Talladega County, ALAL81,6031,101–

623McCracken County, KYKY67,5531,100–

624Cherokee County, NCNC30,8301,099–

625Oneida County, NYNY226,3921,095–

626Hampton, VAVA137,3151,085–

627Minnehaha County, SDSD212,6911,085–

628Cascade County, MTMT85,0291,084–

629Franklin County, TNTN45,5791,082–

630Washington County, VTVT59,6521,082–

631Rock Island County, ILIL141,8691,076–

632Bonneville County, IDID135,7711,075–

633Ontario County, NYNY113,1301,069–

634Columbia County, FLFL74,0941,067–

635Knox County, MEME41,1171,066–

636Clallam County, WAWA78,2021,066–

637Napa County, CACA132,9491,064–

638Bulloch County, GAGA86,9491,062–

639Lenawee County, MIMI97,7791,057–

640Houston County, GAGA178,2141,056–

641Cherokee County, SCSC58,2751,054–

642Gloucester County, VAVA40,0971,053–

643Campbell County, TNTN40,2901,049–

644Cochise County, AZAZ126,3321,046–

645Henderson County, TXTX88,5951,045–

646Charles County, MDMD176,5931,042–

647Tuolumne County, CACA53,1601,038–

648Greene County, PAPA33,8851,037–

649Campbell County, KYKY95,4411,036–

650Madison County, NCNC22,5531,036–

651Berrien County, MIMI152,4441,031–

652Livingston Parish, LALA155,0361,029–

653Mendocino County, CACA88,1221,027–

654Calvert County, MDMD94,4841,026–

655Hudson County, NJNJ735,0331,024–

656Tipton County, TNTN62,2871,022–

657Scott County, IAIA175,2591,022–

658Somerset County, NJNJ356,4861,018–

659Washington County, OHOH58,3891,017–

660Sussex County, NJNJ148,0631,012–

661Bonner County, IDID54,4201,012–

662Scott County, VAVA21,2001,012–

663Dyer County, TNTN36,3201,010–

664Dare County, NCNC38,2451,009–

665Vigo County, ININ106,5121,008–

666Monroe County, TNTN49,7301,005–

667Walker County, TXTX83,8421,005–

668York County, VAVA71,3741,003–

669Rensselaer County, NYNY160,5101,001–

670Lafayette County, MSMS59,597999–

671Marion County, WVWV55,584999–

672Wagoner County, OKOK93,263998–

673Cecil County, MDMD107,131998–

674Carroll County, GAGA131,036997–

675Pearl River County, MSMS59,363991–

676Flagler County, FLFL140,360991–

677Aroostook County, MEME66,609989–

678St. Mary's County, MDMD116,692989–

679Lyon County, NVNV65,088986–

680Carroll County, NHNH52,784985–

681Duplin County, NCNC51,571985–

682Lycoming County, PAPA112,587983–

683Natrona County, WYWY80,526982–

684Belmont County, OHOH64,434981–

685Rockbridge County, VAVA22,663980–

686Chester County, SCSC33,001979–

687Bartholomew County, ININ85,729978–

688Ector County, TXTX173,801975–

689Robeson County, NCNC119,941974–

690Windsor County, VTVT57,312974–

691Cole County, MOMO77,908972–

692Mercer County, WVWV57,503972–

693Coffee County, ALAL56,953964–

694Huntingdon County, PAPA43,001957–

695Washington County, NYNY59,353956–

696Coryell County, TXTX85,592955–

697Coos County, OROR63,992953–

698White County, ARAR80,085952–

699Jones County, MSMS66,496952–

700Kent County, DEDE194,786952–

701Boone County, ININ80,689947–

702Rapides Parish, LALA125,877942–

703Oldham County, KYKY70,986940–

704Maui County, HIHI160,592937–

705Oconee County, GAGA44,893936–

706Suffolk, VAVA104,699935–

707Bullitt County, KYKY86,454934–

708Jackson County, GAGA99,265934–

709Luzerne County, PAPA332,126934–

710San Benito County, CACA70,082933–

711Pickens County, GAGA37,167930–

712Lewis County, WAWA88,062930–

713Ross County, OHOH76,429928–

714Scioto County, OHOH71,365926–

715Sebastian County, ARAR130,641923–

716Upshur County, TXTX44,410921–

717Clarendon County, SCSC31,043918–

718Highlands County, FLFL111,122918–

719Washington County, RIRI129,795917–

720Walker County, GAGA70,250914–

721Mifflin County, PAPA46,127912–

722Muskingum County, OHOH87,014911–

723Hancock County, MEME57,171909–

724Salem, VAVA25,816909–

725Fluvanna County, VAVA28,975905–

726Brown County, TXTX38,711905–

727Ravalli County, MTMT48,582899–

728Floyd County, ININ82,153897–

729Johnson County, MOMO56,670896–

730Cache County, UTUT145,000895–

731Elkhart County, ININ208,774894–

732Daviess County, KYKY104,898894–

733Lowndes County, GAGA122,867893–

734Tazewell County, VAVA38,635892–

735Klamath County, OROR70,274885–

736Lapeer County, MIMI89,516881–

737Muskegon County, MIMI177,901876–

738Polk County, OROR90,037876–

739Rogers County, OKOK102,197875–

740LaPorte County, ININ111,294874–

741Boyd County, KYKY47,751870–

742Miami County, OHOH112,634870–

743Lawrence County, TNTN46,914870–

744Kendall County, TXTX53,289870–

745Madera County, CACA167,927867–

746Jefferson County, WVWV63,102866–

747Pike County, KYKY54,721866–

748Gibson County, TNTN51,779864–

749Columbus County, NCNC50,487861–

750Granville County, NCNC61,421860–

751McMinn County, TNTN57,404860–

752Bannock County, IDID91,591859–

753Chelan County, WAWA81,941859–

754Rockdale County, GAGA98,416858–

755Tallapoosa County, ALAL40,953852–

756Callaway County, MOMO45,765852–

757Lawrence County, MOMO39,401852–

758Newton County, MOMO62,263851–

759Marshall County, TNTN38,071850–

760Gordon County, GAGA61,701848–

761Yuma County, AZAZ224,449844–

762Charlottesville, VAVA44,388844–

763Clayton County, GAGA297,471843–

764Somerset County, MEME51,620842–

765Tompkins County, NYNY104,047842–

766Jessamine County, KYKY57,147841–

767Lawrence County, OHOH55,710840–

768Ashtabula County, OHOH96,713839–

769Hidalgo County, TXTX921,549838–

770Pontotoc County, MSMS32,096837–

771Simpson County, MSMS25,498836–

772San Jacinto County, TXTX29,488836–

773Oxford County, MEME60,346836–

774Walla Walla County, WAWA62,361834–

775Alexander County, NCNC36,958834–

776Franklin County, MAMA70,698833–

777Habersham County, GAGA50,416833–

778Williamson County, ILIL67,225832–

779Smyth County, VAVA28,882831–

780Allen County, OHOH100,881830–

781Kosciusko County, ININ80,892830–

782White County, GAGA29,802828–

783Boone County, ARAR38,628826–

784Laurel County, KYKY63,746826–

785Jackson County, ILIL52,501824–

786Craighead County, ARAR116,957823–

787Ashland County, OHOH52,523819–

788Greenbrier County, WVWV31,578819–

789Walker County, ALAL65,140816–

790Rock County, WIWI166,472816–

791Calhoun County, MIMI133,408816–

792Warren County, NJNJ112,953815–

793Fayette County, WVWV38,165815–

794Harris County, GAGA37,280813–

795Gila County, AZAZ53,801811–

796Bedford County, TNTN55,273811–

797Wilson County, TXTX56,139811–

798Cape May County, NJNJ93,390809–

799Wise County, VAVA34,824808–

800Eaton County, MIMI109,581806–

801Hancock County, WVWV27,729802–

802Jackson County, ALAL54,281801–

803Johnson County, TNTN18,718799–

804Louisa County, VAVA42,924798–

805Steuben County, NYNY91,855795–

806Chesterfield County, SCSC44,740795–

807Story County, IAIA101,291795–

808Marshall County, WVWV29,159792–

809Dawson County, GAGA35,365792–

810Bladen County, NCNC30,007790–

811Payne County, OKOK83,889790–

812Barrow County, GAGA99,773790–

813Warren County, MSMS41,759788–

814Umatilla County, OROR81,119788–

815Lowndes County, MSMS57,346785–

816Clarion County, PAPA36,680784–

817Catoosa County, GAGA69,628784–

818Orange County, TXTX86,266783–

819Franklin County, KYKY52,649781–

820Spalding County, GAGA70,775775–

821Jefferson County, PAPA43,255774–

822Kankakee County, ILIL105,525772–

823Washington County, OKOK54,037770–

824Delaware County, ININ113,106770–

825Amador County, CACA41,876769–

826Kenosha County, WIWI168,448765–

827Harrisonburg, VAVA50,839764–

828Berkshire County, MAMA128,224755–

829Polk County, NCNC20,533755–

830Perry County, KYKY26,555755–

831Angelina County, TXTX88,154752–

832Grand Traverse County, MIMI96,729752–

833Cass County, NDND201,794751–

834Merced County, CACA297,260751–

835Clark County, KYKY37,888751–

836Brown County, WIWI275,803750–

837Taney County, MOMO57,001748–

838Botetourt County, VAVA34,144748–

839Stephens County, GAGA27,854747–

840Fayette County, TNTN45,071745–

841Putnam County, FLFL77,734745–

842Kent County, RIRI173,495742–

843Pittsylvania County, VAVA59,490742–

844Allegan County, MIMI123,188741–

845Douglas County, GAGA154,293741–

846Lincoln County, TNTN36,853740–

847Scott County, MNMN159,017735–

848Erie County, OHOH73,296734–

849Wicomico County, MDMD106,899727–

850Warren County, PAPA37,038726–

851Broomfield County, COCO79,174724–

852Winnebago County, WIWI174,218723–

853Oktibbeha County, MSMS51,896722–

854Greenup County, KYKY35,213721–

855Stokes County, NCNC46,126718–

856Adams County, ILIL64,267717–

857Shenandoah County, VAVA45,839716–

858Hart County, GAGA28,639716–

859Grays Harbor County, WAWA78,144715–

860Carson City, NVNV58,571714–

861Shelby County, KYKY51,243712–

862Webb County, TXTX281,224712–

863Racine County, WIWI198,919710–

864Reno County, KSKS61,539710–

865Oswego County, NYNY118,569708–

866Hopkins County, KYKY45,127708–

867Otsego County, NYNY60,589707–

868Cape Girardeau County, MOMO83,999706–

869Belknap County, NHNH65,147706–

870Dickson County, TNTN58,662706–

871Hunterdon County, NJNJ131,781705–

872Orange County, VAVA40,083705–

873Waldo County, MEME40,693705–

874Hancock County, ININ90,969704–

875Pickaway County, OHOH62,978701–

876Troup County, GAGA72,844701–

877Hancock County, MSMS46,873697–

878Marion County, OHOH65,115696–

879Haralson County, GAGA33,066696–

880Leavenworth County, KSKS84,590695–

881Kendall County, ILIL145,470690–

882Carroll County, VAVA29,299684–

883Cheshire County, NHNH78,269682–

884Christian County, KYKY70,115682–

885Coffee County, TNTN62,419677–

886Allegany County, MDMD66,848677–

887Otero County, NMNM70,368676–

888Cameron County, TXTX433,946676–

889Lincoln Parish, LALA48,360675–

890Lackawanna County, PAPA216,502674–

891Morgan County, TNTN22,160674–

892Essex County, NYNY36,438673–

893Woodbury County, IAIA106,649673–

894Barren County, KYKY45,641673–

895Livingston County, NYNY61,438672–

896Pottawattamie County, IAIA92,996672–

897Wayne County, ININ66,169672–

898Butler County, KSKS69,484672–

899Warren County, NYNY65,020672–

900Grainger County, TNTN25,739672–

901Monroe County, GAGA32,023671–

902Pottawatomie County, OKOK75,102670–

903Tioga County, PAPA40,502670–

904Nacogdoches County, TXTX66,035669–

905Madison County, OHOH46,985668–

906Giles County, TNTN31,433668–

907Guernsey County, OHOH38,379665–

908McKean County, PAPA38,984665–

909Dale County, ALAL49,912664–

910Scott County, TNTN22,671664–

911Rabun County, GAGA17,764664–

912Union County, MSMS28,459663–

913Windham County, VTVT45,204662–

914Somerset County, PAPA72,004659–

915Olmsted County, MNMN166,731657–

916Columbia County, OROR54,091657–

917Monroe County, FLFL80,406655–

918Calaveras County, CACA46,605653–

919Cooke County, TXTX44,461652–

920Bandera County, TXTX22,876652–

921Columbia County, NYNY60,168650–

922Fairfield County, SCSC20,340650–

923Union County, GAGA27,859650–

924Camden County, MOMO44,047648–

925Baxter County, ARAR42,982647–

926Pulaski County, MOMO54,442646–

927Dallas County, IAIA118,457644–

928Abbeville County, SCSC24,836642–

929Pope County, ARAR64,976641–

930Lake County, CACA67,772641–

931Clay County, NCNC12,239640–

932Dillon County, SCSC27,458639–

933Hill County, TXTX39,503639–

934Stone County, MOMO32,503637–

935Amherst County, VAVA31,962637–

936Warren County, VAVA42,740633–

937Wise County, TXTX83,778632–

938Stevens County, WAWA49,668631–

939Autauga County, ALAL61,920630–

940Yuba County, CACA88,691629–

941Hoke County, NCNC56,939627–

942Pasquotank County, NCNC42,201627–

943Geauga County, OHOH95,676625–

944Pulaski County, VAVA33,586624–

945Caldwell County, TXTX55,150621–

946Danville, VAVA41,647621–

947Limestone County, TXTX22,849621–

948Boyle County, KYKY31,632618–

949Levy County, FLFL48,520618–

950Randolph County, ILIL29,921618–

951Cattaraugus County, NYNY75,390617–

952Knox County, ILIL47,767617–

953La Crosse County, WIWI121,339611–

954Polk County, TXTX53,434610–

955Lampasas County, TXTX23,657608–

956Logan County, OKOK55,473606–

957Portsmouth, VAVA96,777606–

958Rockland County, NYNY357,397605–

959Union County, OHOH73,446604–

960Camden County, GAGA60,143603–

961Siskiyou County, CACA42,013602–

962DeKalb County, ALAL74,085600–

963Garfield County, OKOK61,779599–

964Carroll County, OHOH26,475597–

965Calloway County, KYKY39,421596–

966Fremont County, WYWY39,464596–

967DeKalb County, ILIL101,835596–

968Henry County, ILIL48,095595–

969Grant County, ININ66,524595–

970Montgomery County, NCNC26,403593–

971Bryan County, GAGA52,062593–

972Preston County, WVWV34,004593–

973Latah County, IDID41,842592–

974Richmond County, NYNY501,290590–

975Marlboro County, SCSC25,488590–

976Chaves County, NMNM63,364590–

977Fremont County, COCO50,039589–

978Whitfield County, GAGA106,212589–

979Lincoln County, MSMS35,012588–

980Jefferson County, NYNY111,540588–

981Sagadahoc County, MEME37,979587–

982Sanders County, MTMT14,062584–

983Wright County, MNMN157,559583–

984Lonoke County, ARAR76,664581–

985Grant County, WAWA105,727581–

986Caswell County, NCNC22,563580–

987Creek County, OKOK74,967577–

988Albany County, WYWY38,558577–

989Covington County, ALAL37,947576–

990St. Francois County, MOMO67,809575–

991Scotland County, NCNC33,322575–

992Jefferson County, ININ33,279573–

993Waller County, TXTX69,858572–

994Campbell County, WYWY48,145570–

995Douglas County, NVNV50,111567–

996Sullivan County, NHNH43,961565–

997Rhea County, TNTN34,844564–

998Ascension Parish, LALA135,105562–

999Delaware County, NYNY44,305561–

1000Valencia County, NMNM82,013561–

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