RANKING · 2024 ACS · 500 SHOWN OF 3,144

Highest Irish population share, US counties

US counties ranked by the share of all residents who are Irish ancestry (2023 American Community Survey). A concentration measure: Irish residents as a percentage of total population.

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 SHAREVS 2000

501Flathead County, MTMT115,42913.3%–

502New Kent County, VAVA28,02213.3%–

503Carroll County, IAIA20,30313.3%–

504Bland County, VAVA6,15113.3%–

505Clark County, ININ130,45113.3%–

506Marin County, CACA253,69413.2%–

507Franklin County, KYKY52,64913.2%–

508Yellowstone County, MTMT172,69213.2%–

509Boyd County, KYKY47,75113.2%–

510Jersey County, ILIL21,16013.2%–

511Spencer County, KYKY20,99813.2%–

512Aroostook County, MEME66,60913.2%–

513Montmorency County, MIMI9,84213.2%–

514Douglas County, COCO399,39613.2%–

515Linn County, KSKS9,95013.2%–

516Motley County, TXTX1,04313.2%–

517Kalkaska County, MIMI18,69313.2%–

518Weston County, WYWY6,84013.2%–

519Erie County, PAPA265,83213.2%–

520Monroe County, ILIL34,84013.2%–

521Montgomery County, KSKS30,17713.2%–

522Elbert County, COCO30,53413.2%–

523Christian County, MOMO96,72513.2%–

524Smith County, KSKS3,56613.2%–

525Orange County, NYNY417,66913.2%–

526Union County, GAGA27,85913.2%–

527Brown County, ININ15,77713.2%–

528Clark County, ILIL15,11413.2%–

529Bonner County, IDID54,42013.2%–

530Lycoming County, PAPA112,58713.2%–

531Bracken County, KYKY8,51113.2%–

532Douglas County, NENE606,46013.2%–

533Perry County, OHOH35,91813.1%–

534New Hanover County, NCNC245,95913.1%–

535Sullivan County, NHNH43,96113.1%–

536Pend Oreille County, WAWA14,45713.1%–

537Naugatuck Valley Planning Region, CTCT463,34913.1%–

538St. Tammany Parish, LALA279,10813.1%–

539Chaffee County, COCO20,83113.1%–

540Platte County, MOMO114,40013.1%–

541Licking County, OHOH185,56413.1%–

542Washington County, MEME31,33413.1%–

543Greene County, OHOH174,32213.1%–

544Douglas County, NVNV50,11113.1%–

545Kittitas County, WAWA48,80313.1%–

546Anne Arundel County, MDMD603,38013.1%–

547Crook County, WYWY7,85213.1%–

548Union County, OHOH73,44613.1%–

549Brevard County, FLFL663,98213.1%–

550Capitol Planning Region, CTCT994,11513.1%–

551Lawrence County, OHOH55,71013.1%–

552Churchill County, NVNV25,85113.1%–

553Buffalo County, NENE51,17213.1%–

554Walker County, GAGA70,25013.1%–

555Madison County, NCNC22,55313.1%–

556Skamania County, WAWA12,66913.1%–

557Decatur County, TNTN11,82013.1%–

558Niobrara County, WYWY2,34113.0%–

559Logan County, ILIL27,18213.0%–

560Stark County, OHOH373,77113.0%–

561Taney County, MOMO57,00113.0%–

562DuPage County, ILIL934,29813.0%–

563Winchester, VAVA28,27213.0%–

564Clay County, ILIL12,79313.0%–

565Ottawa County, OHOH39,48113.0%–

566Lawrence County, SDSD29,45913.0%–

567Rock County, WIWI166,47213.0%–

568Tazewell County, ILIL130,04913.0%–

569Hampden County, MAMA464,33813.0%–

570Big Stone County, MNMN5,05413.0%–

571Onslow County, NCNC217,17513.0%–

572Cumberland County, PAPA277,27013.0%–

573Bremer County, IAIA25,29613.0%–

574Orange County, VTVT30,00213.0%–

575Laramie County, WYWY102,93813.0%–

576Antrim County, MIMI24,69813.0%–

577Benewah County, IDID10,50813.0%–

578Pleasants County, WVWV7,33813.0%–

579Dane County, WIWI590,37513.0%–

580Wise County, VAVA34,82413.0%–

581Custer County, MTMT12,03413.0%–

582Washington County, ILIL13,56413.0%–

583Stephenson County, ILIL43,22013.0%–

584Breckinridge County, KYKY21,50313.0%–

585DeKalb County, MOMO9,79513.0%–

586Tyler County, WVWV7,88113.0%–

587Faulk County, SDSD2,17813.0%–

588Cleburne County, ALAL15,97013.0%–

589Ritchie County, WVWV8,03413.0%–

590Bond County, ILIL16,95912.9%–

591Spokane County, WAWA558,34412.9%–

592Madison County, VAVA14,23712.9%–

593Monroe County, TNTN49,73012.9%–

594Frederick County, MDMD302,88312.9%–

595Massac County, ILIL13,50212.9%–

596Carteret County, NCNC70,46912.9%–

597Mills County, IAIA14,79312.9%–

598Gila County, AZAZ53,80112.9%–

599Otoe County, NENE16,53112.9%–

600Clark County, OHOH135,34012.9%–

601Will County, ILIL712,25312.9%–

602Montgomery County, ILIL28,07612.9%–

603Warren County, ILIL16,22212.9%–

604Kitsap County, WAWA283,37412.9%–

605Teller County, COCO24,75612.9%–

606Wheeler County, NENE78912.9%–

607St. Clair County, MIMI160,48612.9%–

608Carroll County, ILIL15,41912.9%–

609Bourbon County, KSKS14,31912.9%–

610Stephens County, GAGA27,85412.8%–

611LaPorte County, ININ111,29412.8%–

612Indiana County, PAPA82,87812.8%–

613Putnam County, ILIL5,61912.8%–

614McCook County, SDSD5,96412.8%–

615Llano County, TXTX23,35312.8%–

616Liberty County, FLFL8,03512.8%–

617Lane County, OROR381,58412.8%–

618Island County, WAWA85,65712.8%–

619Colfax County, NMNM12,18412.8%–

620Currituck County, NCNC33,15812.8%–

621St. Mary's County, MDMD116,69212.8%–

622Larimer County, COCO377,29212.8%–

623Morgan County, ILIL32,51512.8%–

624Pickens County, SCSC139,19812.8%–

625Pocahontas County, WVWV7,60212.8%–

626Cascade County, MTMT85,02912.8%–

627El Dorado County, CACA192,32312.8%–

628Polk County, NCNC20,53312.8%–

629Dickson County, TNTN58,66212.8%–

630Appanoose County, IAIA12,07712.7%–

631Clay County, MOMO265,03212.7%–

632Sanilac County, MIMI40,08312.7%–

633Logan County, OHOH46,30212.7%–

634Whitman County, WAWA48,51212.7%–

635Carter County, MTMT1,38312.7%–

636Isabella County, MIMI64,69112.7%–

637Ohio County, ININ5,99412.7%–

638Allegany County, MDMD66,84812.7%–

639Eaton County, MIMI109,58112.7%–

640Cherokee County, KSKS19,10512.7%–

641Leelanau County, MIMI22,98212.7%–

642Moore County, TNTN6,92012.7%–

643Stone County, MOMO32,50312.7%–

644Nicholas County, WVWV23,84812.7%–

645Forest County, PAPA6,61412.7%–

646San Luis Obispo County, CACA282,36712.7%–

647Boone County, ILIL53,56812.6%–

648Boulder County, COCO328,56012.6%–

649Leavenworth County, KSKS84,59012.6%–

650Washington County, IDID11,58312.6%–

651Rush County, ININ16,76712.6%–

652Stark County, ILIL5,31912.6%–

653Des Moines County, IAIA38,07712.6%–

654Pontotoc County, OKOK38,52812.6%–

655Clinton County, MIMI80,43212.6%–

656Monongalia County, WVWV107,99112.6%–

657Oneida County, WIWI38,13112.6%–

658Columbia County, OROR54,09112.6%–

659Real County, TXTX2,74512.6%–

660Tompkins County, NYNY104,04712.6%–

661Waynesboro, VAVA23,95112.6%–

662Allen County, KSKS12,30212.6%–

663Frederick County, VAVA99,95512.6%–

664Washington County, NENE21,30212.6%–

665Wayne County, IAIA6,73812.6%–

666Perry County, ININ19,38912.6%–

667Armstrong County, TXTX1,84312.6%–

668Stephens County, TXTX9,38012.6%–

669Hancock County, ILIL16,80312.6%–

670Sullivan County, TNTN163,75912.5%–

671Cass County, MOMO115,85912.5%–

672Adair County, IAIA7,40312.5%–

673Boone County, IAIA26,79912.5%–

674Hernando County, FLFL221,70112.5%–

675Pottawattamie County, IAIA92,99612.5%–

676Clay County, TNTN7,82112.5%–

677Anderson County, KSKS8,01812.5%–

678Marquette County, WIWI15,92712.5%–

679Hughes County, SDSD17,57012.5%–

680Calhoun County, IAIA9,56212.5%–

681Adams County, PAPA107,59412.5%–

682Mesa County, COCO162,84512.5%–

683Emmet County, MIMI33,77512.5%–

684Hardin County, TNTN27,98312.5%–

685Scioto County, OHOH71,36512.5%–

686Wibaux County, MTMT88512.5%–

687Tishomingo County, MSMS18,63912.5%–

688Lawrence County, MOMO39,40112.5%–

689Morrow County, OHOH36,30512.5%–

690Huntington County, ININ37,22412.5%–

691Starke County, ININ23,42512.5%–

692Garland County, ARAR99,69512.5%–

693Josephine County, OROR87,86712.5%–

694Sanders County, MTMT14,06212.5%–

695Hardin County, ILIL3,58812.5%–

696Suffolk County, MAMA791,89112.5%–

697Siskiyou County, CACA42,01312.5%–

698Knox County, OHOH64,00212.5%–

699Deuel County, NENE1,86212.5%–

700Sarasota County, FLFL479,95812.4%–

701Columbia County, WIWI58,13212.4%–

702Fannin County, GAGA26,11112.4%–

703Luce County, MIMI6,33912.4%–

704Fluvanna County, VAVA28,97512.4%–

705Jasper County, MOMO127,42812.4%–

706Lapeer County, MIMI89,51612.4%–

707Cottle County, TXTX1,22412.4%–

708Wetzel County, WVWV13,73412.4%–

709Gallia County, OHOH29,07212.4%–

710Richardson County, NENE7,53012.4%–

711Teton County, MTMT6,49612.4%–

712Gibson County, ININ33,09112.4%–

713Potter County, PAPA15,89712.4%–

714James City County, VAVA83,32612.4%–

715Lake County, SDSD10,99312.4%–

716Franklin Parish, LALA19,00212.4%–

717Boone County, NENE5,35512.4%–

718Sangamon County, ILIL194,17012.4%–

719Marion County, OHOH65,11512.4%–

720Sarpy County, NENE208,30312.4%–

721Latimer County, OKOK9,64512.4%–

722Boone County, MOMO191,74612.4%–

723Rooks County, KSKS4,64612.4%–

724Perry County, PAPA46,80612.4%–

725Jerauld County, SDSD1,65412.4%–

726Sevier County, TNTN101,34212.4%–

727Ravalli County, MTMT48,58212.4%–

728Marshall County, OKOK16,25512.3%–

729Meigs County, OHOH21,58712.3%–

730Winneshiek County, IAIA19,73312.3%–

731Cass County, NENE27,65712.3%–

732Blanco County, TXTX13,58112.3%–

733Larue County, KYKY15,18412.3%–

734Marion County, ILIL36,38212.3%–

735Providence County, RIRI678,17912.3%–

736Routt County, COCO25,32912.3%–

737Benton County, OROR97,72812.3%–

738Saline County, KSKS53,37712.3%–

739Greene County, ILIL11,31312.3%–

740Washington County, MNMN286,89512.3%–

741Waukesha County, WIWI417,21012.3%–

742Trimble County, KYKY8,70112.3%–

743Brown County, OHOH44,39712.3%–

744Warren County, OHOH257,18112.2%–

745King George County, VAVA29,64612.2%–

746Tillamook County, OROR27,38412.2%–

747Beaufort County, SCSC204,43312.2%–

748Mercer County, WVWV57,50312.2%–

749Jasper County, ININ33,89412.2%–

750Hickman County, TNTN26,21912.2%–

751Sullivan County, ININ20,83112.2%–

752Mason County, ILIL12,41112.2%–

753Greater Bridgeport Planning Region, CTCT337,69712.2%–

754Boise County, IDID8,54512.2%–

755Sonoma County, CACA486,44412.2%–

756Henry County, ILIL48,09512.2%–

757Dewey County, OKOK4,20712.2%–

758Le Flore County, OKOK50,19612.2%–

759Antelope County, NENE6,35212.2%–

760Lee County, KYKY7,29712.2%–

761Liberty County, MTMT1,95712.2%–

762Mercer County, ILIL15,22912.2%–

763Staunton, VAVA26,80112.2%–

764Giles County, VAVA16,56412.2%–

765Scott County, KYKY62,26212.2%–

766Pickens County, GAGA37,16712.2%–

767Pinellas County, FLFL948,56312.2%–

768Sauk County, WIWI66,65212.2%–

769Clearfield County, PAPA78,10012.2%–

770McDonough County, ILIL25,91612.2%–

771Rogers County, OKOK102,19712.2%–

772Mitchell County, KSKS5,59012.2%–

773St. Louis County, MOMO990,91112.2%–

774Hocking County, OHOH27,51212.2%–

775Kent County, DEDE194,78612.2%–

776Highland County, OHOH43,82312.2%–

777Lake County, TNTN6,24912.2%–

778Grand County, UTUT9,79012.2%–

779Henderson County, NCNC122,37512.2%–

780Lawrence County, ININ45,56812.2%–

781Hamilton County, OHOH838,41812.1%–

782Warren County, MOMO39,01612.1%–

783St. Joseph County, ININ272,86112.1%–

784Pike County, KYKY54,72112.1%–

785Midland County, MIMI83,75412.1%–

786Orleans County, VTVT27,60012.1%–

787Fentress County, TNTN20,32212.1%–

788Idaho County, IDID17,87412.1%–

789Reynolds County, MOMO5,99212.1%–

790Howell County, MOMO40,79812.1%–

791Dare County, NCNC38,24512.1%–

792Marshall County, KYKY31,65912.1%–

793Haywood County, NCNC63,36912.1%–

794Nemaha County, KSKS10,05412.1%–

795Fulton County, OHOH41,85312.1%–

796Plymouth County, IAIA25,69712.1%–

797Baker County, FLFL29,73712.1%–

798Cherokee County, GAGA299,27312.1%–

799Fayette County, ININ23,53312.1%–

800Kimble County, TXTX4,43812.1%–

801Clare County, MIMI31,54312.1%–

802Nodaway County, MOMO20,17412.1%–

803Los Alamos County, NMNM19,40712.1%–

804Delta County, COCO32,17812.1%–

805Webster County, MSMS10,16712.1%–

806Pocahontas County, IAIA6,81912.1%–

807Peoria County, ILIL178,55312.1%–

808Owen County, KYKY11,60112.1%–

809Miami County, OHOH112,63412.1%–

810Broomfield County, COCO79,17412.0%–

811York County, PAPA473,19712.0%–

812St. Croix County, WIWI98,27612.0%–

813Golden Valley County, NDND1,80812.0%–

814Ellis County, KSKS29,07512.0%–

815Mohave County, AZAZ228,10212.0%–

816Madison County, GAGA32,91912.0%–

817Tuscarawas County, OHOH92,37312.0%–

818Latah County, IDID41,84212.0%–

819Mifflin County, PAPA46,12712.0%–

820Butler County, OHOH400,12812.0%–

821Shannon County, MOMO7,28512.0%–

822Treasure County, MTMT72812.0%–

823Butler County, MOMO41,90412.0%–

824Burt County, NENE6,67812.0%–

825Juneau County, WIWI26,64912.0%–

826Noble County, OHOH14,27612.0%–

827Hyde County, SDSD1,19112.0%–

828Sanborn County, SDSD2,38812.0%–

829Kootenai County, IDID191,86412.0%–

830Morgan County, WVWV18,02712.0%–

831Jefferson County, KYKY795,22212.0%–

832Sierra County, CACA3,09812.0%–

833Cass County, IAIA12,96012.0%–

834Horry County, SCSC427,55112.0%–

835Clinton County, PAPA37,87012.0%–

836Calhoun County, FLFL13,28912.0%–

837Adams County, WIWI21,75212.0%–

838Butte County, SDSD10,85612.0%–

839Cherokee County, NCNC30,83011.9%–

840Chautauqua County, NYNY124,12611.9%–

841Storey County, NVNV4,26011.9%–

842Granite County, MTMT3,65811.9%–

843Greenup County, KYKY35,21311.9%–

844Camden County, MOMO44,04711.9%–

845Humphreys County, TNTN19,64611.9%–

846Osage County, KSKS15,69311.9%–

847Houston County, TNTN8,47911.9%–

848Vernon County, MOMO19,94611.9%–

849Cowley County, KSKS34,38211.9%–

850Benton County, MOMO20,53611.9%–

851Love County, OKOK10,78011.9%–

852Oregon County, MOMO8,70911.9%–

853Nye County, NVNV57,33611.9%–

854Jasper County, IAIA38,15311.9%–

855Le Sueur County, MNMN29,45311.9%–

856Macon County, NCNC39,23211.9%–

857Kendall County, ILIL145,47011.9%–

858Lawrence County, KYKY15,76511.9%–

859Gove County, KSKS2,63111.9%–

860Albemarle County, VAVA118,35611.9%–

861Washington County, IAIA22,66711.9%–

862Spotsylvania County, VAVA155,38811.9%–

863Jackson County, OHOH32,81711.9%–

864Sherman County, OROR2,05111.9%–

865Saline County, ARAR133,28811.9%–

866Sumner County, KSKS22,31211.9%–

867Butler County, KSKS69,48411.9%–

868Saunders County, NENE23,70211.9%–

869Powhatan County, VAVA32,59111.9%–

870Stevens County, WAWA49,66811.9%–

871Woodford County, KYKY27,88311.9%–

872Somervell County, TXTX10,26111.8%–

873Fountain County, ININ17,01311.8%–

874Park County, WYWY31,17111.8%–

875Winnebago County, ILIL283,67411.8%–

876Franklin County, ILIL36,91611.8%–

877Ford County, ILIL13,21611.8%–

878Fairfield County, OHOH169,75211.8%–

879Ozaukee County, WIWI94,34611.8%–

880Marion County, TNTN29,80411.8%–

881Upshur County, TXTX44,41011.8%–

882Lyon County, NVNV65,08811.8%–

883Stephens County, OKOK44,31011.8%–

884Grant County, OKOK4,06711.8%–

885Montgomery County, OHOH539,59811.8%–

886Chester County, TNTN17,99411.8%–

887Geneva County, ALAL27,55411.8%–

888Dakota County, MNMN457,71011.8%–

889Gage County, NENE21,71111.8%–

890Jefferson County, OKOK5,43111.8%–

891Harris County, GAGA37,28011.8%–

892Humboldt County, CACA131,64711.8%–

893Rhea County, TNTN34,84411.8%–

894Greene County, MOMO309,28611.8%–

895Rio Blanco County, COCO6,68311.8%–

896Johnson County, KYKY22,05111.8%–

897Vigo County, ININ106,51211.8%–

898Montgomery County, ININ38,95411.8%–

899Jefferson County, PAPA43,25511.8%–

900Arenac County, MIMI15,06811.8%–

901Mineral County, MTMT5,18511.8%–

902Fannin County, TXTX39,26511.7%–

903Red Willow County, NENE10,30711.7%–

904Harrison County, OHOH14,07011.7%–

905Mahaska County, IAIA21,88011.7%–

906Henry County, IAIA19,34911.7%–

907Clackamas County, OROR426,28011.7%–

908Clay County, WVWV7,53811.7%–

909Manatee County, FLFL468,20011.7%–

910Asotin County, WAWA22,54511.7%–

911Dolores County, COCO2,46611.7%–

912Lincoln County, OROR50,63611.7%–

913Kossuth County, IAIA14,32211.7%–

914Rowan County, KYKY24,47611.7%–

915Cuyahoga County, OHOH1,232,92511.7%–

916Nance County, NENE3,29011.7%–

917Bradley County, TNTN115,46511.7%–

918Mason County, WAWA71,16511.7%–

919Garfield County, OKOK61,77911.7%–

920Thurston County, WAWA304,26111.7%–

921Tuscola County, MIMI52,68011.7%–

922Pawnee County, OKOK16,02911.7%–

923Northampton County, PAPA324,41111.7%–

924Bandera County, TXTX22,87611.7%–

925Okeechobee County, FLFL42,60811.7%–

926Kimball County, NENE3,39111.7%–

927Jefferson County, ININ33,27911.7%–

928Martin County, KYKY10,69711.7%–

929Bryan County, GAGA52,06211.7%–

930Gentry County, MOMO6,38411.7%–

931Roscommon County, MIMI23,91411.7%–

932Montgomery County, NYNY50,04611.7%–

933Linn County, OROR132,84311.6%–

934Columbia County, FLFL74,09411.6%–

935Flagler County, FLFL140,36011.6%–

936Nassau County, NYNY1,398,93911.6%–

937Washita County, OKOK10,88411.6%–

938Williamson County, TNTN272,06111.6%–

939Alexander County, NCNC36,95811.6%–

940Tioga County, PAPA40,50211.6%–

941Leslie County, KYKY9,62711.6%–

942Floyd County, IAIA14,90111.6%–

943Harrison County, ININ40,43711.6%–

944Gilmer County, GAGA33,89411.6%–

945Lewis County, WVWV16,39411.6%–

946Morgan County, OHOH13,62611.6%–

947Klamath County, OROR70,27411.6%–

948Mineral County, WVWV26,79211.6%–

949Polk County, ARAR19,48611.6%–

950Nelson County, KYKY49,03611.6%–

951Floyd County, GAGA101,37811.6%–

952Washington County, KSKS5,53311.6%–

953Jackson County, OROR221,79511.6%–

954Ogemaw County, MIMI21,12111.6%–

955Kanawha County, WVWV172,38111.6%–

956Roane County, TNTN57,39511.6%–

957Ferry County, WAWA7,51711.6%–

958Barton County, MOMO11,79511.6%–

959Grays Harbor County, WAWA78,14411.6%–

960Ellsworth County, KSKS6,25711.6%–

961Washington County, COCO4,73211.6%–

962Wicomico County, MDMD106,89911.6%–

963Clayton County, IAIA16,84511.6%–

964Monroe County, ININ143,34511.6%–

965Woodford County, ILIL38,11111.6%–

966Roane County, WVWV13,31711.5%–

967Gladwin County, MIMI26,07711.5%–

968Wabash County, ILIL10,90711.5%–

969Greene County, VAVA21,95811.5%–

970Dawson County, GAGA35,36511.5%–

971Webster County, IAIA36,83811.5%–

972Douglas County, OROR111,95111.5%–

973Lincoln County, MTMT22,32811.5%–

974Green County, WIWI37,22711.5%–

975Ida County, IAIA6,77711.5%–

976Jefferson County, TNTN60,02411.5%–

977York County, SCSC306,88711.5%–

978Crawford County, OHOH41,89611.5%–

979Madison County, MOMO12,85811.5%–

980Pratt County, KSKS9,11711.5%–

981Bedford County, VAVA83,05911.5%–

982Monroe County, MIMI156,00411.5%–

983Multnomah County, OROR795,39111.5%–

984Marion County, IAIA34,19211.5%–

985Andrew County, MOMO18,24111.5%–

986Mitchell County, NCNC15,06211.5%–

987Dunklin County, MOMO26,85511.5%–

988Allen County, OHOH100,88111.5%–

989Panola County, TXTX23,01811.5%–

990Creek County, OKOK74,96711.4%–

991Oscoda County, MIMI8,72311.4%–

992Trinity County, TXTX14,38411.4%–

993Dyer County, TNTN36,32011.4%–

994Okaloosa County, FLFL221,81011.4%–

995Poweshiek County, IAIA18,36811.4%–

996Hamilton County, ININ387,03611.4%–

997Wood County, OHOH134,17611.4%–

998Butte County, CACA209,21111.4%–

999Baker County, OROR16,65811.4%–

1000Cumberland County, TNTN66,30011.4%–

SHOWING 501–1,000 OF 3,144

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