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%

513Dodge County, WIWI89,097522−44%

514Fayette County, KYKY329,751522+9%

515Itasca County, MNMN45,404521−20%

516Becker County, MNMN35,497519−26%

517Onslow County, NCNC217,175519+65%

518St. Clair County, MIMI160,486519−2%

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%

527Rutherford County, TNTN386,352498−6%

528Mercer County, PAPA107,860498−51%

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%

541Ulster County, NYNY183,330480−40%

542Republic County, KSKS4,640480−26%

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%

555Hernando County, FLFL221,701463−63%

556Allegan County, MIMI123,188463−26%

557Douglas County, WIWI43,990461−10%

558Plymouth County, MAMA546,829458−33%

559Henderson County, TXTX88,595457+130%

560Brown County, SDSD37,561457−4%

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%

566La Plata County, COCO56,898446+39%

567Stanislaus County, CACA557,719446−16%

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, WIWI20,118432+0%

576Forsyth County, NCNC401,718430−26%

577Scotts Bluff County, NENE35,586428−36%

578Stanton County, NENE5,744428−48%

579Kittitas County, WAWA48,803427−1%

580Lincoln County, SDSD77,145427−40%

581Sussex County, DEDE277,140426−4%

582Atascosa County, TXTX53,590424−26%

583New Hanover County, NCNC245,959423−34%

584Kent County, DEDE194,786423−18%

585Poweshiek County, IAIA18,368423−16%

586Comanche County, OKOK122,158421+32%

587Pettis County, MOMO44,254419+96%

588Stafford County, VAVA170,803419+42%

589Bibb County, GAGA157,556418+171%

590Hunt County, TXTX123,336418+113%

591Cedar County, IAIA18,359418−46%

592Hanover County, VAVA116,423418−47%

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%

599Jefferson County, ALAL665,742410−52%

600Brown County, TXTX38,711410+185%

601Cameron County, TXTX433,946407+18%

602Somerset County, PAPA72,004407−12%

603Lexington County, SCSC317,588407−29%

604Cuming County, NENE8,823406−35%

605Nevada County, CACA101,911406−14%

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%

616Flagler County, FLFL140,360396−15%

617Rensselaer County, NYNY160,510396−35%

618Isabella County, MIMI64,691395−23%

619Chelan County, WAWA81,941394+102%

620Bonneville County, IDID135,771394+46%

621Vilas County, WIWI23,761392−9%

622Tulare County, CACA485,146391−26%

623Ashland County, WIWI16,203391+53%

624Josephine County, OROR87,867391−14%

625Beaufort County, SCSC204,433391−46%

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%

635Henderson County, NCNC122,375380+72%

636Berkshire County, MAMA128,224380+26%

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%

644Pope County, MNMN11,420375−7%

645Orleans Parish, LALA362,154375−14%

646Pike County, PAPA62,808373+12%

647Marquette County, MIMI68,064373−2%

648Davison County, SDSD20,069372−36%

649Whitman County, WAWA48,512371+51%

650Bay County, FLFL204,479369−34%

651Napa County, CACA132,949368+24%

652Jackson County, WIWI20,999368−7%

653Polk County, TXTX53,434368−45%

654Broomfield County, COCO79,174367−49%

655Cowlitz County, WAWA114,885365+1%

656Merrick County, NENE7,905365−2%

657Lebanon County, PAPA146,380365−26%

658Delaware County, IAIA17,674364+129%

659Erie County, OHOH73,296363−37%

660Karnes County, TXTX15,018363−8%

661Benton County, OROR97,728363−47%

662Coos County, OROR63,992362+21%

663Ellsworth County, KSKS6,257362−39%

664Prince George County, VAVA43,936361+60%

665Warren County, NJNJ112,953361−63%

666Trempealeau County, WIWI31,171360−9%

667Lawrence County, PAPA83,911358−18%

668Atlantic County, NJNJ278,657358−43%

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%

674Lincoln County, OKOK35,278355+24%

675Doña Ana County, NMNM229,091355+34%

676Leavenworth County, KSKS84,590355−19%

677Kanabec County, MNMN16,628354+22%

678Howard County, NENE6,538353−10%

679Newport News, VAVA183,230353−36%

680Tangipahoa Parish, LALA141,346353+829%

681Livingston County, ILIL35,057353+103%

682Dorchester County, SCSC178,397350−8%

683Crawford County, KSKS39,008350+302%

684Bradley County, TNTN115,465350+247%

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%

690Carbon County, PAPA65,868344−24%

691Columbiana County, OHOH99,377344−26%

692Johnson County, TXTX218,048344−64%

693Houston County, MNMN18,400343−26%

694Hawaii County, HIHI210,043343−12%

695Saline County, ARAR133,288342+51%

696Davis County, UTUT381,227340−20%

697Callaway County, MOMO45,765340+20%

698Worcester County, MDMD54,459340+134%

699Santa Rosa County, FLFL211,115339−58%

700Chambers County, TXTX57,594339−33%

701Clark County, OHOH135,340339+38%

702Hood County, TXTX70,501339+67%

703Tazewell County, ILIL130,049338−44%

704Meade County, SDSD30,711338−19%

705Shelby County, ALAL238,552338−8%

706Ward County, NDND68,233338−46%

707Camden County, MOMO44,047335+20%

708Otoe County, NENE16,531335−13%

709Campbell County, WYWY48,145335−24%

710Gillespie County, TXTX28,527335+19%

711Aiken County, SCSC181,515335+50%

712Stutsman County, NDND21,414335+48%

713Jackson County, MNMN9,857335−32%

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%

732Douglas County, WAWA46,473314+205%

733Meeker County, MNMN23,603314−6%

734Johnson County, MOMO56,670313+125%

735Allamakee County, IAIA14,238313+72%

736Aransas County, TXTX26,146312+19%

737Clinton County, NYNY78,138311+65%

738Kauai County, HIHI73,400311+238%

739Fairfield County, OHOH169,752311−32%

740Waushara County, WIWI25,223309−5%

741Elkhart County, ININ208,774308−66%

742Jefferson County, NENE7,070308−31%

743Floyd County, IAIA14,901308+34%

744Emmet County, MIMI33,775308+45%

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%

754Douglas County, NVNV50,111301+19%

755Eagle County, COCO54,291301−57%

756Dakota County, NENE21,687301+112%

757Albany County, WYWY38,558301+5%

758Yamhill County, OROR110,024299−68%

759Sandoval County, NMNM159,565299−41%

760Hamilton County, NENE9,678298−46%

761Crawford County, PAPA81,792297−52%

762Twin Falls County, IDID97,539295−42%

763Roseau County, MNMN15,246295−28%

764Sebastian County, ARAR130,641294+36%

765Ellis County, KSKS29,075294−36%

766Hardin County, TXTX58,723293+23%

767Richland County, OHOH124,893293−16%

768Umatilla County, OROR81,119293−24%

769Moore County, NCNC110,619292+39%

770Washington County, MDMD157,731292−24%

771Mobile County, ALAL411,658291−30%

772James City County, VAVA83,326291+71%

773Calhoun County, MIMI133,408291+9%

774Grant County, WAWA105,727290+48%

775Chautauqua County, NYNY124,126290−25%

776Carlton County, MNMN36,711289−49%

777Morrison County, MNMN34,620289−39%

778Cochise County, AZAZ126,332289−50%

779Clay County, FLFL239,593288−61%

780Jackson County, MIMI159,552288−49%

781Morton County, NDND34,601288−62%

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%

789Warren County, NYNY65,020278+43%

790Chesapeake, VAVA255,332278−50%

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%

796Island County, WAWA85,657273−51%

797Sioux County, IAIA36,774273+78%

798Rawlins County, KSKS2,431273−14%

799Vanderburgh County, ININ181,995272−11%

800Lapeer County, MIMI89,516272−27%

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%

807Montgomery County, TNTN249,935266−28%

808Clay County, NENE6,170266−31%

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%

815Washington County, OHOH58,389262+64%

816Nacogdoches County, TXTX66,035262−18%

817Strafford County, NHNH135,043261+27%

818Dickinson County, KSKS18,637261−25%

819Cowley County, KSKS34,382261+37%

820Stone County, MOMO32,503260−12%

821Caroline County, VAVA34,413259+79%

822Charlevoix County, MIMI26,036259−39%

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%

828Jo Daviess County, ILIL21,594252+121%

829Kennebec County, MEME129,067252+215%

830Cheyenne County, NENE9,528251−10%

831Taylor County, TXTX150,077250−50%

832Penobscot County, MEME157,967248+54%

833Knox County, OHOH64,002247+15%

834Gray County, TXTX20,919246+159%

835Boone County, KYKY145,316246+88%

836Blount County, TNTN143,820244−24%

837Caldwell County, TXTX55,150244−21%

838Washington County, IAIA22,667243−63%

839Ashland County, OHOH52,523243+85%

840Defiance County, OHOH38,292243+81%

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%

846Lincoln County, WIWI28,403238−55%

847Williams County, OHOH36,549238+69%

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%

855Logan County, COCO20,654233−26%

856Live Oak County, TXTX11,929233−20%

857Finney County, KSKS37,505231+9%

858Navarro County, TXTX57,181230−49%

859Columbia County, OROR54,091230−39%

860Highlands County, FLFL111,122229−46%

861Mendocino County, CACA88,122229−63%

862Chatham County, NCNC85,111229+70%

863Thayer County, NENE4,842229−4%

864Keith County, NENE8,100227+34%

865Scott County, KYKY62,262226+138%

866Cole County, MOMO77,908225+6%

867Miami County, OHOH112,634225−18%

868Carson City, NVNV58,571224+75%

869Cass County, IAIA12,960224+74%

870Faulkner County, ARAR133,979224−14%

871Huron County, OHOH58,250223+7%

872Ohio County, WVWV40,496223+2%

873Antelope County, NENE6,352221+1%

874Ontario County, NYNY113,130221−42%

875Starke County, ININ23,425220−47%

876Washington County, TNTN141,199220+2%

877McIntosh County, OKOK19,758220+857%

878Sagadahoc County, MEME37,979220+142%

879Herkimer County, NYNY59,219219−15%

880Burnett County, WIWI17,223219−9%

881Otsego County, MIMI26,080219+13%

882Wasatch County, UTUT38,514218+561%

883Fremont County, WYWY39,464217−14%

884Leon County, TXTX16,894217+42%

885Jefferson County, KSKS18,296217+165%

886Boone County, ARAR38,628216+0%

887Fulton County, OHOH41,853216−7%

888Yuma County, AZAZ224,449216−47%

889Nodaway County, MOMO20,174215+90%

890Greene County, PAPA33,885215−44%

891Lyman County, SDSD3,694213+76%

892Sullivan County, TNTN163,759212−20%

893Red Willow County, NENE10,307212−42%

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

895Albemarle County, VAVA118,356212−65%

896Talbot County, MDMD38,238212+5%

897Oneida County, NYNY226,392211−63%

898Lafayette County, MSMS59,597211+164%

899Bartow County, GAGA120,800210+577%

900Mahnomen County, MNMN5,153210+21%

901Newaygo County, MIMI51,622209+21%

902Johnson County, ININ174,262207−1%

903Madison County, MSMS116,298207+64%

904Suffolk, VAVA104,699206+106%

905Nuckolls County, NENE4,100206−20%

906Oldham County, KYKY70,986205+46%

907Windsor County, VTVT57,312205−25%

908Charlottesville, VAVA44,388205+55%

909Green County, WIWI37,227205−44%

910Benzie County, MIMI18,568205+3%

911Jasper County, IAIA38,153205−46%

912Clay County, SDSD15,031205−56%

913Montgomery County, VAVA98,434204−35%

914Harrisonburg, VAVA50,839204+292%

915Jefferson County, WVWV63,102204−17%

916Rains County, TXTX13,542204+40%

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%

922Runnels County, TXTX9,693201−51%

923Muskingum County, OHOH87,014201−33%

924Jackson County, ILIL52,501201−18%

925Clayton County, IAIA16,845201−59%

926Susquehanna County, PAPA38,237201+53%

927Marshall County, KSKS9,852201−33%

928Tuscaloosa County, ALAL241,368199−12%

929Cape Girardeau County, MOMO83,999199+90%

930Pend Oreille County, WAWA14,457199+206%

931Mason County, MIMI29,040199−17%

932Codington County, SDSD29,562199−32%

933Clearwater County, MNMN8,647197+64%

934St. Joseph County, MIMI60,968197−20%

935Custer County, NENE10,500196−57%

936Steuben County, NYNY91,855196−46%

937Queen Anne's County, MDMD54,448196−52%

938Traill County, NDND7,920196+10%

939Buchanan County, MOMO83,540195+127%

940Chenango County, NYNY45,715195+15%

941Lee County, ILIL32,914195−24%

942Iron County, MIMI11,757195+47%

943Walla Walla County, WAWA62,361194+39%

944Oswego County, NYNY118,569193−46%

945Stevens County, WAWA49,668192−19%

946Elbert County, COCO30,534192+38%

947Sumter County, SCSC105,067192+113%

948Seneca County, OHOH54,522192+27%

949Lyon County, KSKS32,266192+12%

950Cumberland County, TNTN66,300192+48%

951Pulaski County, MOMO54,442191+142%

952Box Elder County, UTUT65,320190+494%

953Walton County, GAGA112,696190+57%

954Hardin County, IAIA16,455190−44%

955Harrison County, MSMS217,136190−5%

956Carroll County, IAIA20,303190−12%

957Christian County, KYKY70,115190+9%

958Lauderdale County, ALAL97,135189+32%

959Kanawha County, WVWV172,381189−16%

960Richmond County, GAGA206,559189−31%

961Madison County, TXTX14,226188+318%

962Whiteside County, ILIL54,121188−58%

963Kay County, OKOK43,490188−58%

964Campbell County, VAVA55,629187+234%

965Taney County, MOMO57,001187−32%

966Huerfano County, COCO7,011187+368%

967Boyd County, NENE1,674187−28%

968Mills County, TXTX4,580187+2238%

969Orange County, TXTX86,266187−17%

970Brooke County, WVWV21,142186+29%

971Oceana County, MIMI27,177186+30%

972Jackson County, MSMS147,666186−34%

973Reeves County, TXTX12,138186+644%

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%

979Washington County, UTUT213,670183−42%

980Bedford County, VAVA83,059183+43%

981Panola County, TXTX23,018183+54%

982Marion County, KSKS11,634183−59%

983Aitkin County, MNMN16,252183−51%

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%

989Hancock County, WVWV27,729181−22%

990Northumberland County, PAPA89,920181−11%

991Roanoke County, VAVA97,150180−13%

992Otsego County, NYNY60,589180−22%

993Forest County, WIWI9,574179+21%

994Wayne County, NYNY91,250179−35%

995Houghton County, MIMI37,842179+26%

996Warren County, KYKY149,375179−4%

997Yellow Medicine County, MNMN9,477178+5%

998Franklin County, WAWA102,612178+125%

999Wise County, TXTX83,778178+31%

1000Sumner County, KSKS22,312178−64%

SHOWING 501–1,000 OF 2,650

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS