Which county has the highest czech population?

Cook County, Illinois ranks #1 with 36,238 (2020 Decennial Census).

What are the top 5 counties by czech population?

Cook County, Illinois, Harris County, Texas, Douglas County, Nebraska, Maricopa County, Arizona, DuPage County, Illinois.

How many counties are in this ranking?

2,650 counties qualify after filtering for population minimums and data availability. The ranking covers 2020 Decennial Census data.

How is czech population measured?

Number of residents who are Czech ancestry (Ancestry, ACS detailed tables). Source: US Census Bureau, 2020 Decennial Census.

RANKING · 2020 CENSUS · 500 SHOWN OF 2,650

Largest Czech population, US counties · 2020

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

Czech Americans: full group profile →

All statesAll rankings

SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPCZECH POPULATIONVS 2010

501Lee County, TXTX18,729543+103%

502Beltrami County, MNMN47,055542−38%

503Greene County, OHOH174,322540−27%

504Washington County, NENE21,302537−46%

505Juneau County, WIWI26,649535−45%

506Monroe County, FLFL80,406534+14%

507St. Mary's County, MDMD116,692531−12%

508York County, NENE14,564529−22%

509Flathead County, MTMT115,429528−5%

510Sullivan County, NYNY80,586527+35%

511Madison County, ALAL433,516526−25%

512Schenectady County, NYNY162,581523−33%

513Fayette County, KYKY329,751522+9%

514Dodge County, WIWI89,097522−44%

515Itasca County, MNMN45,404521−20%

516St. Clair County, MIMI160,486519−2%

517Becker County, MNMN35,497519−26%

518Onslow County, NCNC217,175519+65%

519Chittenden County, VTVT169,115518−17%

520Goodhue County, MNMN48,195517−39%

521Humboldt County, CACA131,647509+14%

522Burnet County, TXTX57,015509+15%

523Matanuska-Susitna, AKAK118,666508−4%

524Muscatine County, IAIA41,853505+4%

525Chatham County, GAGA311,855504+29%

526Iowa County, IAIA16,504500−45%

527Mercer County, PAPA107,860498−51%

528Rutherford County, TNTN386,352498−6%

529Albany County, NYNY321,225494−62%

530Jones County, IAIA21,253491−48%

531Brunswick County, NCNC174,702490+193%

532Solano County, CACA455,376490−14%

533Cecil County, MDMD107,131487−8%

534St. Lucie County, FLFL402,449486−38%

535Midland County, MIMI83,754486−45%

536Union County, NCNC267,674485+14%

537Dauphin County, PAPA293,351485−66%

538Pierce County, NENE7,378482−12%

539Logan County, OKOK55,473481+48%

540Payne County, OKOK83,889481−43%

541Republic County, KSKS4,640480−26%

542Ulster County, NYNY183,330480−40%

543Centre County, PAPA157,393479−49%

544Midland County, TXTX187,855478+27%

545Buncombe County, NCNC277,417477−43%

546Boone County, ILIL53,568476+25%

547Henrico County, VAVA342,775475−43%

548Skagit County, WAWA132,975475+8%

549Barnstable County, MAMA233,539474−26%

550Kingfisher County, OKOK15,795474+10%

551Monroe County, PAPA167,179473−42%

552Wayne County, NENE10,020471+5%

553Todd County, MNMN26,060469+3%

554Norfolk, VAVA231,013466+6%

555Allegan County, MIMI123,188463−26%

556Hernando County, FLFL221,701463−63%

557Douglas County, WIWI43,990461−10%

558Plymouth County, MAMA546,829458−33%

559Brown County, SDSD37,561457−4%

560Henderson County, TXTX88,595457+130%

561Pueblo County, COCO169,277456−41%

562Kendall County, TXTX53,289455+66%

563Grayson County, TXTX153,613453−55%

564Lewis and Clark County, MTMT75,331452−15%

565Menominee County, MIMI22,941448−20%

566Stanislaus County, CACA557,719446−16%

567La Plata County, COCO56,898446+39%

568Dodge County, MNMN21,376445+12%

569Clermont County, OHOH216,977445+4%

570Brown County, MNMN25,517443−2%

571Putnam County, NYNY99,028436−19%

572Iredell County, NCNC211,798436+77%

573Jefferson County, OHOH63,597436−25%

574Tuscarawas County, OHOH92,373433+90%

575Taylor County, WIWI20,1184320%

576Forsyth County, NCNC401,718430−26%

577Scotts Bluff County, NENE35,586428−36%

578Stanton County, NENE5,744428−48%

579Lincoln County, SDSD77,145427−40%

580Kittitas County, WAWA48,803427−1%

581Sussex County, DEDE277,140426−4%

582Atascosa County, TXTX53,590424−26%

583New Hanover County, NCNC245,959423−34%

584Poweshiek County, IAIA18,368423−16%

585Kent County, DEDE194,786423−18%

586Comanche County, OKOK122,158421+32%

587Pettis County, MOMO44,254419+96%

588Stafford County, VAVA170,803419+42%

589Hunt County, TXTX123,336418+113%

590Hanover County, VAVA116,423418−47%

591Bibb County, GAGA157,556418+171%

592Cedar County, IAIA18,359418−46%

593Weber County, UTUT278,174416+30%

594Adams County, WIWI21,752414−30%

595Benton County, MNMN41,744411−17%

596Sawyer County, WIWI18,846411+17%

597Cumberland County, NCNC338,473410−3%

598Rusk County, WIWI14,146410−29%

599Brown County, TXTX38,711410+185%

600Jefferson County, ALAL665,742410−52%

601Somerset County, PAPA72,004407−12%

602Lexington County, SCSC317,588407−29%

603Cameron County, TXTX433,946407+18%

604Nevada County, CACA101,911406−14%

605Cuming County, NENE8,823406−35%

606El Dorado County, CACA192,323405−38%

607Polk County, MOMO33,604405+74%

608Waupaca County, WIWI51,461405−17%

609Jefferson Parish, LALA431,398404+2%

610Valley County, NENE4,094403−45%

611Fergus County, MTMT11,825402−8%

612Clinton County, IAIA46,002402−9%

613Gregory County, SDSD4,037400−14%

614Cabarrus County, NCNC249,725398+33%

615Columbia County, GAGA169,189397+33%

616Rensselaer County, NYNY160,510396−35%

617Flagler County, FLFL140,360396−15%

618Isabella County, MIMI64,691395−23%

619Bonneville County, IDID135,771394+46%

620Chelan County, WAWA81,941394+102%

621Vilas County, WIWI23,761392−9%

622Josephine County, OROR87,867391−14%

623Beaufort County, SCSC204,433391−46%

624Ashland County, WIWI16,203391+53%

625Tulare County, CACA485,146391−26%

626Laurens County, SCSC71,848387+579%

627Lackawanna County, PAPA216,502386−50%

628St. Tammany Parish, LALA279,108385−16%

629Dawson County, NENE24,452384−21%

630Grafton County, NHNH93,225384+86%

631Lincoln County, MOMO66,676383−48%

632Brule County, SDSD5,278383−35%

633Chickasaw County, IAIA11,663382−27%

634Nicollet County, MNMN34,273381−35%

635Berkshire County, MAMA128,224380+26%

636Henderson County, NCNC122,375380+72%

637Grimes County, TXTX34,252379−13%

638Clark County, WIWI35,052378−36%

639Redwood County, MNMN15,265377−32%

640Franklin County, MOMO108,090377−58%

641Johnston County, NCNC256,448377+101%

642Clarke County, GAGA129,921376+15%

643Hancock County, IAIA10,528376−17%

644Orleans Parish, LALA362,154375−14%

645Pope County, MNMN11,420375−7%

646Marquette County, MIMI68,064373−2%

647Pike County, PAPA62,808373+12%

648Davison County, SDSD20,069372−36%

649Whitman County, WAWA48,512371+51%

650Bay County, FLFL204,479369−34%

651Napa County, CACA132,949368+24%

652Polk County, TXTX53,434368−45%

653Jackson County, WIWI20,999368−7%

654Broomfield County, COCO79,174367−49%

655Merrick County, NENE7,905365−2%

656Lebanon County, PAPA146,380365−26%

657Cowlitz County, WAWA114,885365+1%

658Delaware County, IAIA17,674364+129%

659Erie County, OHOH73,296363−37%

660Benton County, OROR97,728363−47%

661Karnes County, TXTX15,018363−8%

662Coos County, OROR63,992362+21%

663Ellsworth County, KSKS6,257362−39%

664Warren County, NJNJ112,953361−63%

665Prince George County, VAVA43,936361+60%

666Trempealeau County, WIWI31,171360−9%

667Atlantic County, NJNJ278,657358−43%

668Lawrence County, PAPA83,911358−18%

669Bremer County, IAIA25,296358−3%

670Reno County, KSKS61,539358−24%

671Gratiot County, MIMI41,190357−11%

672Leelanau County, MIMI22,982357−42%

673Madera County, CACA167,927355+71%

674Doña Ana County, NMNM229,091355+34%

675Lincoln County, OKOK35,278355+24%

676Leavenworth County, KSKS84,590355−19%

677Kanabec County, MNMN16,628354+22%

678Tangipahoa Parish, LALA141,346353+829%

679Howard County, NENE6,538353−10%

680Livingston County, ILIL35,057353+103%

681Newport News, VAVA183,230353−36%

682Crawford County, KSKS39,008350+302%

683Bradley County, TNTN115,465350+247%

684Dorchester County, SCSC178,397350−8%

685Yakima County, WAWA259,185349−31%

686Waseca County, MNMN18,688348+13%

687Medina County, TXTX56,881348+51%

688McPherson County, KSKS30,064348−7%

689Athens County, OHOH63,197346−42%

690Columbiana County, OHOH99,377344−26%

691Carbon County, PAPA65,868344−24%

692Johnson County, TXTX218,048344−64%

693Houston County, MNMN18,400343−26%

694Hawaii County, HIHI210,043343−12%

695Saline County, ARAR133,288342+51%

696Worcester County, MDMD54,459340+134%

697Callaway County, MOMO45,765340+20%

698Davis County, UTUT381,227340−20%

699Santa Rosa County, FLFL211,115339−58%

700Clark County, OHOH135,340339+38%

701Chambers County, TXTX57,594339−33%

702Hood County, TXTX70,501339+67%

703Ward County, NDND68,233338−46%

704Meade County, SDSD30,711338−19%

705Shelby County, ALAL238,552338−8%

706Tazewell County, ILIL130,049338−44%

707Jackson County, MNMN9,857335−32%

708Camden County, MOMO44,047335+20%

709Otoe County, NENE16,531335−13%

710Stutsman County, NDND21,414335+48%

711Gillespie County, TXTX28,527335+19%

712Campbell County, WYWY48,145335−24%

713Aiken County, SCSC181,515335+50%

714Jasper County, MOMO127,428334+48%

715Clallam County, WAWA78,202333−12%

716Navajo County, AZAZ109,946332+163%

717Calvert County, MDMD94,484330+11%

718Armstrong County, PAPA63,698329−49%

719Hall County, GAGA226,568328+22%

720Barton County, KSKS24,790328−33%

721Goliad County, TXTX7,208326+29%

722Kerr County, TXTX54,037326−9%

723Douglas County, OROR111,951322−43%

724Fayette County, GAGA125,156321−17%

725Fayette County, IAIA19,047321+2%

726Van Buren County, MIMI76,071320−53%

727Cass County, MNMN31,430318−25%

728Fillmore County, MNMN21,540318−14%

729Clearfield County, PAPA78,100318−38%

730Kenai Peninsula, AKAK61,951315−10%

731Blair County, PAPA119,541315+25%

732Meeker County, MNMN23,603314−6%

733Douglas County, WAWA46,473314+205%

734Johnson County, MOMO56,670313+125%

735Allamakee County, IAIA14,238313+72%

736Aransas County, TXTX26,146312+19%

737Clinton County, NYNY78,138311+65%

738Fairfield County, OHOH169,752311−32%

739Kauai County, HIHI73,400311+238%

740Waushara County, WIWI25,223309−5%

741Emmet County, MIMI33,775308+45%

742Jefferson County, NENE7,070308−31%

743Elkhart County, ININ208,774308−66%

744Floyd County, IAIA14,901308+34%

745Merrimack County, NHNH158,078307−14%

746Rutland County, VTVT59,653306−25%

747Macon County, ILIL99,300306+19%

748Nassau County, FLFL106,879304+361%

749Christian County, MOMO96,725303+20%

750East Baton Rouge Parish, LALA456,180303−39%

751Cumberland County, NJNJ157,148303+36%

752Hutchinson County, SDSD7,413303+81%

753Bayfield County, WIWI16,787302−29%

754Dakota County, NENE21,687301+112%

755Douglas County, NVNV50,111301+19%

756Albany County, WYWY38,558301+5%

757Eagle County, COCO54,291301−57%

758Yamhill County, OROR110,024299−68%

759Sandoval County, NMNM159,565299−41%

760Hamilton County, NENE9,678298−46%

761Crawford County, PAPA81,792297−52%

762Roseau County, MNMN15,246295−28%

763Twin Falls County, IDID97,539295−42%

764Sebastian County, ARAR130,641294+36%

765Ellis County, KSKS29,075294−36%

766Richland County, OHOH124,893293−16%

767Umatilla County, OROR81,119293−24%

768Hardin County, TXTX58,723293+23%

769Washington County, MDMD157,731292−24%

770Moore County, NCNC110,619292+39%

771Mobile County, ALAL411,658291−30%

772Calhoun County, MIMI133,408291+9%

773James City County, VAVA83,326291+71%

774Chautauqua County, NYNY124,126290−25%

775Grant County, WAWA105,727290+48%

776Cochise County, AZAZ126,332289−50%

777Carlton County, MNMN36,711289−49%

778Morrison County, MNMN34,620289−39%

779Jackson County, MIMI159,552288−49%

780Morton County, NDND34,601288−62%

781Clay County, FLFL239,593288−61%

782Woodford County, ILIL38,111287+71%

783Polk County, NENE5,270286−13%

784Washington County, KSKS5,533284−7%

785Lewis County, WAWA88,062283+9%

786Mills County, IAIA14,793282−54%

787Cedar County, NENE8,373281+42%

788Niagara County, NYNY208,912279−34%

789Chesapeake, VAVA255,332278−50%

790Warren County, NYNY65,020278+43%

791Marshall County, MNMN8,798277−7%

792Boone County, NENE5,355276−15%

793Washburn County, WIWI17,087276−36%

794Henry County, ILIL48,095275−18%

795Washington County, NYNY59,353274+134%

796Sioux County, IAIA36,774273+78%

797Rawlins County, KSKS2,431273−14%

798Island County, WAWA85,657273−51%

799Lapeer County, MIMI89,516272−27%

800Vanderburgh County, ININ181,995272−11%

801Alamance County, NCNC186,177271+191%

802Sumner County, TNTN215,538270+78%

803Jefferson County, WAWA33,970270−17%

804Ravalli County, MTMT48,582269−34%

805Sherman County, NENE2,924269+120%

806Buchanan County, IAIA20,883268−20%

807Clay County, NENE6,170266−31%

808Montgomery County, TNTN249,935266−28%

809Klamath County, OROR70,274265−57%

810Wilkin County, MNMN6,288264+21%

811Des Moines County, IAIA38,077264+103%

812Stephenson County, ILIL43,220264−3%

813Mille Lacs County, MNMN27,753263−39%

814Charles County, MDMD176,593263+11%

815Nacogdoches County, TXTX66,035262−18%

816Washington County, OHOH58,389262+64%

817Strafford County, NHNH135,043261+27%

818Cowley County, KSKS34,382261+37%

819Dickinson County, KSKS18,637261−25%

820Stone County, MOMO32,503260−12%

821Charlevoix County, MIMI26,036259−39%

822Caroline County, VAVA34,413259+79%

823Coryell County, TXTX85,592258−45%

824Valencia County, NMNM82,013257+30%

825Cape May County, NJNJ93,390256−13%

826Ramsey County, NDND11,530255+2%

827Spartanburg County, SCSC380,857255−33%

828Kennebec County, MEME129,067252+215%

829Jo Daviess County, ILIL21,594252+121%

830Cheyenne County, NENE9,528251−10%

831Taylor County, TXTX150,077250−50%

832Penobscot County, MEME157,967248+54%

833Knox County, OHOH64,002247+15%

834Boone County, KYKY145,316246+88%

835Gray County, TXTX20,919246+159%

836Caldwell County, TXTX55,150244−21%

837Blount County, TNTN143,820244−24%

838Ashland County, OHOH52,523243+85%

839Defiance County, OHOH38,292243+81%

840Washington County, IAIA22,667243−63%

841Dawes County, NENE7,858242−25%

842Rogers County, OKOK102,197241−13%

843Fremont County, COCO50,039239+37%

844Kenton County, KYKY175,779239−37%

845Baxter County, ARAR42,982238−48%

846Williams County, OHOH36,549238+69%

847Lincoln County, WIWI28,403238−55%

848Harvey County, KSKS33,580238+82%

849Hubbard County, MNMN22,369236−25%

850Phelps County, NENE8,994236+56%

851Buena Vista County, IAIA20,449236+87%

852Androscoggin County, MEME116,487235+2%

853Kent County, RIRI173,495235+68%

854Blaine County, IDID25,517234−16%

855Live Oak County, TXTX11,929233−20%

856Logan County, COCO20,654233−26%

857Finney County, KSKS37,505231+9%

858Columbia County, OROR54,091230−39%

859Navarro County, TXTX57,181230−49%

860Mendocino County, CACA88,122229−63%

861Thayer County, NENE4,842229−4%

862Chatham County, NCNC85,111229+70%

863Highlands County, FLFL111,122229−46%

864Keith County, NENE8,100227+34%

865Scott County, KYKY62,262226+138%

866Cole County, MOMO77,908225+6%

867Miami County, OHOH112,634225−18%

868Faulkner County, ARAR133,979224−14%

869Carson City, NVNV58,571224+75%

870Cass County, IAIA12,960224+74%

871Huron County, OHOH58,250223+7%

872Ohio County, WVWV40,496223+2%

873Antelope County, NENE6,352221+1%

874Ontario County, NYNY113,130221−42%

875McIntosh County, OKOK19,758220+857%

876Washington County, TNTN141,199220+2%

877Starke County, ININ23,425220−47%

878Sagadahoc County, MEME37,979220+142%

879Otsego County, MIMI26,080219+13%

880Burnett County, WIWI17,223219−9%

881Herkimer County, NYNY59,219219−15%

882Wasatch County, UTUT38,514218+561%

883Leon County, TXTX16,894217+42%

884Fremont County, WYWY39,464217−14%

885Jefferson County, KSKS18,296217+165%

886Yuma County, AZAZ224,449216−47%

887Boone County, ARAR38,6282160%

888Fulton County, OHOH41,853216−7%

889Nodaway County, MOMO20,174215+90%

890Greene County, PAPA33,885215−44%

891Lyman County, SDSD3,694213+76%

892Sullivan County, TNTN163,759212−20%

893Talbot County, MDMD38,238212+5%

894St. Lawrence County, NYNY105,488212+27%

895Albemarle County, VAVA118,356212−65%

896Red Willow County, NENE10,307212−42%

897Lafayette County, MSMS59,597211+164%

898Oneida County, NYNY226,392211−63%

899Mahnomen County, MNMN5,153210+21%

900Bartow County, GAGA120,800210+577%

901Newaygo County, MIMI51,622209+21%

902Madison County, MSMS116,298207+64%

903Johnson County, ININ174,262207−1%

904Nuckolls County, NENE4,100206−20%

905Suffolk, VAVA104,699206+106%

906Benzie County, MIMI18,568205+3%

907Clay County, SDSD15,031205−56%

908Windsor County, VTVT57,312205−25%

909Charlottesville, VAVA44,388205+55%

910Jasper County, IAIA38,153205−46%

911Oldham County, KYKY70,986205+46%

912Green County, WIWI37,227205−44%

913Rains County, TXTX13,542204+40%

914Montgomery County, VAVA98,434204−35%

915Jefferson County, WVWV63,102204−17%

916Harrisonburg, VAVA50,839204+292%

917Pawnee County, NENE2,510203−31%

918Pickens County, SCSC139,198202+67%

919Butte County, SDSD10,856202+26%

920Hamblen County, TNTN68,843202+146%

921Pennington County, MNMN13,686201−52%

922Muskingum County, OHOH87,014201−33%

923Runnels County, TXTX9,693201−51%

924Jackson County, ILIL52,501201−18%

925Clayton County, IAIA16,845201−59%

926Marshall County, KSKS9,852201−33%

927Susquehanna County, PAPA38,237201+53%

928Tuscaloosa County, ALAL241,368199−12%

929Cape Girardeau County, MOMO83,999199+90%

930Mason County, MIMI29,040199−17%

931Codington County, SDSD29,562199−32%

932Pend Oreille County, WAWA14,457199+206%

933St. Joseph County, MIMI60,968197−20%

934Clearwater County, MNMN8,647197+64%

935Custer County, NENE10,500196−57%

936Steuben County, NYNY91,855196−46%

937Traill County, NDND7,920196+10%

938Queen Anne's County, MDMD54,448196−52%

939Iron County, MIMI11,757195+47%

940Buchanan County, MOMO83,540195+127%

941Chenango County, NYNY45,715195+15%

942Lee County, ILIL32,914195−24%

943Walla Walla County, WAWA62,361194+39%

944Oswego County, NYNY118,569193−46%

945Seneca County, OHOH54,522192+27%

946Sumter County, SCSC105,067192+113%

947Cumberland County, TNTN66,300192+48%

948Elbert County, COCO30,534192+38%

949Lyon County, KSKS32,266192+12%

950Stevens County, WAWA49,668192−19%

951Pulaski County, MOMO54,442191+142%

952Harrison County, MSMS217,136190−5%

953Walton County, GAGA112,696190+57%

954Carroll County, IAIA20,303190−12%

955Hardin County, IAIA16,455190−44%

956Christian County, KYKY70,115190+9%

957Box Elder County, UTUT65,320190+494%

958Lauderdale County, ALAL97,135189+32%

959Richmond County, GAGA206,559189−31%

960Kanawha County, WVWV172,381189−16%

961Kay County, OKOK43,490188−58%

962Madison County, TXTX14,226188+318%

963Whiteside County, ILIL54,121188−58%

964Taney County, MOMO57,001187−32%

965Boyd County, NENE1,674187−28%

966Mills County, TXTX4,580187+2238%

967Orange County, TXTX86,266187−17%

968Huerfano County, COCO7,011187+368%

969Campbell County, VAVA55,629187+234%

970Oceana County, MIMI27,177186+30%

971Jackson County, MSMS147,666186−34%

972Reeves County, TXTX12,138186+644%

973Brooke County, WVWV21,142186+29%

974Columbia County, FLFL74,094185+62%

975Coles County, ILIL46,607185+19%

976Knox County, ILIL47,767185−8%

977Delta County, MIMI36,582184−16%

978Clatsop County, OROR40,926184+8%

979Aitkin County, MNMN16,252183−51%

980Panola County, TXTX23,018183+54%

981Washington County, UTUT213,670183−42%

982Bedford County, VAVA83,059183+43%

983Marion County, KSKS11,634183−59%

984Lyon County, MNMN25,684182−36%

985Polk County, OROR90,037182−66%

986Ogle County, ILIL51,399182−67%

987Phelps County, MOMO45,247181+13%

988Ottawa County, OHOH39,481181−49%

989Northumberland County, PAPA89,920181−11%

990Hancock County, WVWV27,729181−22%

991Otsego County, NYNY60,589180−22%

992Roanoke County, VAVA97,150180−13%

993Forest County, WIWI9,574179+21%

994Warren County, KYKY149,375179−4%

995Houghton County, MIMI37,842179+26%

996Wayne County, NYNY91,250179−35%

997Yellow Medicine County, MNMN9,477178+5%

998Wise County, TXTX83,778178+31%

999Franklin County, WAWA102,612178+125%

1000Sumner County, KSKS22,312178−64%

SHOWING 501–1,000 OF 2,650

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