Which county has the highest total population?

Los Angeles County, California ranks #1 with 10,014,009 (2020 Decennial Census).

What are the top 5 counties by total population?

Los Angeles County, California, Cook County, Illinois, Harris County, Texas, Maricopa County, Arizona, San Diego County, California.

How many counties are in this ranking?

3,135 counties qualify after filtering for population minimums and data availability. The ranking covers 2020 Decennial Census data.

How is total population measured?

Total resident population. Source: US Census Bureau, 2020 Decennial Census.

RANKING · 2020 CENSUS · 500 SHOWN OF 3,135

Largest by population, US counties · 2020

The most populous US counties as of the 2020 population estimates.

All statesAll rankings

SAME RANKING BYCities States Metros ZIP codes

YEAR1990 2000 2010 2020 2025

RANKPLACESTATETOTAL POPULATIONVS 2000

501Ascension Parish, LALA126,500+65%

502Cochise County, AZAZ125,447+7%

503Richland County, OHOH124,936−3%

504Gregg County, TXTX124,239+12%

505Bonneville County, IDID123,964+50%

506Kennebec County, MEME123,642+6%

507Faulkner County, ARAR123,498+44%

508Morgan County, ALAL123,421+11%

509Saline County, ARAR123,416+48%

510Blair County, PAPA122,822−5%

511Jasper County, MOMO122,761+17%

512Berkeley County, WVWV122,076+61%

513San Juan County, NMNM121,661+7%

514Comanche County, OKOK121,125+5%

515Clark County, ININ121,093+26%

516La Crosse County, WIWI120,784+13%

517Allegan County, MIMI120,502+14%

518Tom Green County, TXTX120,003+15%

519Fayette County, GAGA119,194+31%

520Carroll County, GAGA119,148+37%

521Gallatin County, MTMT118,960+75%

522Douglas County, KSKS118,785+19%

523Potter County, TXTX118,525+4%

524Lowndes County, GAGA118,251+28%

525Sheboygan County, WIWI118,034+5%

526Missoula County, MTMT117,922+23%

527Oswego County, NYNY117,525−4%

528Wayne County, NCNC117,333+4%

529Wayne County, OHOH116,894+5%

530Jefferson County, NYNY116,721+4%

531Robeson County, NCNC116,530−6%

532Calhoun County, ALAL116,441+4%

533Henderson County, NCNC116,281+30%

534Flagler County, FLFL115,378+132%

535Lycoming County, PAPA114,188−5%

536St. Mary's County, MDMD113,777+32%

537Newton County, GAGA112,483+81%

538Ontario County, NYNY112,458+12%

539LaPorte County, ININ112,417+2%

540Albemarle County, VAVA112,395+42%

541Delaware County, ININ111,903−6%

542Craighead County, ARAR111,231+35%

543Douglas County, OROR111,201+11%

544Androscoggin County, MEME111,139+7%

545Cowlitz County, WAWA110,730+19%

546Hardin County, KYKY110,702+18%

547Mercer County, PAPA110,652−8%

548Hanover County, VAVA109,979+27%

549LaSalle County, ILIL109,658−2%

550Warren County, NJNJ109,632+7%

551Terrebonne Parish, LALA109,580+5%

552Pennington County, SDSD109,222+23%

553Eaton County, MIMI109,175+5%

554Madison County, MSMS109,145+46%

555Bartow County, GAGA108,901+43%

556Miami County, OHOH108,774+10%

557Bradley County, TNTN108,620+23%

558St. Lawrence County, NYNY108,505−3%

559Cass County, MOMO107,824+31%

560Rockwall County, TXTX107,819+150%

561Yamhill County, OROR107,722+27%

562Kankakee County, ILIL107,502+4%

563Houston County, ALAL107,202+21%

564Matanuska-Susitna, AKAK107,081+81%

565Carver County, MNMN106,922+52%

566Platte County, MOMO106,718+45%

567Navajo County, AZAZ106,717+9%

568Walworth County, WIWI106,478+14%

569Vigo County, ININ106,153+0%

570Woodbury County, IAIA105,941+2%

571Monongalia County, WVWV105,822+29%

572Tompkins County, NYNY105,740+10%

573Eau Claire County, WIWI105,710+13%

574Sumter County, SCSC105,556+1%

575Franklin County, MOMO104,682+12%

576Flathead County, MTMT104,357+40%

577Fond du Lac County, WIWI104,154+7%

578Macon County, ILIL103,998−9%

579Bay County, MIMI103,856−6%

580Adams County, PAPA103,852+14%

581Cecil County, MDMD103,725+21%

582Wicomico County, MDMD103,588+22%

583Limestone County, ALAL103,570+58%

584Etowah County, ALAL103,436−0%

585Daviess County, KYKY103,312+13%

586Whitfield County, GAGA102,864+23%

587Nevada County, CACA102,241+11%

588Allen County, OHOH102,206−6%

589Columbiana County, OHOH101,877−9%

590Highlands County, FLFL101,235+16%

591Maury County, TNTN100,974+45%

592Craven County, NCNC100,720+10%

593Laramie County, WYWY100,512+23%

594DeKalb County, ILIL100,420+13%

595Garland County, ARAR100,180+14%

596Roanoke, VAVA100,011+5%

597Hunt County, TXTX99,956+30%

598Moore County, NCNC99,727+33%

599Montgomery County, VAVA99,721+19%

600Dallas County, IAIA99,678+145%

601Sutter County, CACA99,633+26%

602Cleveland County, NCNC99,519+3%

603Lenawee County, MIMI99,423+1%

604Dubuque County, IAIA99,266+11%

605Grant County, WAWA99,123+33%

606Madison County, TNTN98,823+8%

607Floyd County, GAGA98,584+9%

608Story County, IAIA98,537+23%

609Burleigh County, NDND98,458+42%

610Sevier County, TNTN98,380+38%

611Portsmouth, VAVA97,915−3%

612Putnam County, NYNY97,668+2%

613Marshall County, ALAL97,612+19%

614Ashtabula County, OHOH97,574−5%

615Lafourche Parish, LALA97,557+8%

616Bastrop County, TXTX97,216+68%

617Sherburne County, MNMN97,183+51%

618Roanoke County, VAVA96,929+13%

619Franklin County, WAWA96,749+96%

620Walton County, GAGA96,673+59%

621Lancaster County, SCSC96,016+57%

622Fairbanks North Star, AKAK95,655+15%

623Geauga County, OHOH95,397+5%

624Cape May County, NJNJ95,263−7%

625Rogers County, OKOK95,240+35%

626Grand Traverse County, MIMI95,238+23%

627Benton County, OROR95,184+22%

628Nash County, NCNC94,970+9%

629Cabell County, WVWV94,350−3%

630Suffolk, VAVA94,324+48%

631Pottawattamie County, IAIA93,667+7%

632Steuben County, NYNY93,584−5%

633Rockdale County, GAGA93,570+33%

634Lauderdale County, ALAL93,564+6%

635St. Croix County, WIWI93,536+48%

636Tuscarawas County, OHOH93,263+3%

637Campbell County, KYKY93,076+5%

638Bowie County, TXTX92,893+4%

639Calvert County, MDMD92,783+24%

640Madison County, KYKY92,701+31%

641Northumberland County, PAPA91,647−3%

642Liberty County, TXTX91,628+31%

643Mendocino County, CACA91,601+6%

644Ozaukee County, WIWI91,503+11%

645Frederick County, VAVA91,419+54%

646Victoria County, TXTX91,319+9%

647Wayne County, NYNY91,283−3%

648Grafton County, NHNH91,118+11%

649St. Clair County, ALAL91,103+41%

650Rockingham County, NCNC91,096−1%

651Nassau County, FLFL90,352+57%

652Twin Falls County, IDID90,046+40%

653Dodge County, WIWI89,396+4%

654Christian County, MOMO88,842+64%

655Lapeer County, MIMI88,619+1%

656Josephine County, OROR88,090+16%

657Elmore County, ALAL87,977+34%

658Cullman County, ALAL87,866+13%

659Burke County, NCNC87,570−2%

660Polk County, OROR87,433+40%

661Bannock County, IDID87,018+15%

662Island County, WAWA86,857+21%

663Lincoln County, NCNC86,810+36%

664Muskingum County, OHOH86,410+2%

665Angelina County, TXTX86,395+8%

666Lawrence County, PAPA86,070−9%

667Dougherty County, GAGA85,790−11%

668Newport County, RIRI85,643+0%

669Jefferson County, WIWI84,900+15%

670Orange County, TXTX84,808−0%

671Buchanan County, MOMO84,793−1%

672Glynn County, GAGA84,499+25%

673Cascade County, MTMT84,414+5%

674Wood County, WVWV84,296−4%

675Orangeburg County, SCSC84,223−8%

676Chemung County, NYNY84,148−8%

677Crawford County, PAPA83,938−7%

678Rockingham County, VAVA83,757+24%

679Howard County, ININ83,658−2%

680Barrow County, GAGA83,505+81%

681Midland County, MIMI83,494+1%

682Lee County, MSMS83,343+10%

683Indiana County, PAPA83,246−7%

684Coryell County, TXTX83,093+11%

685Monroe County, FLFL82,874+4%

686St. Landry Parish, LALA82,540−6%

687Bullitt County, KYKY82,217+34%

688Bartholomew County, ININ82,208+15%

689Henderson County, TXTX82,150+12%

690Talladega County, ALAL82,149+2%

691Lewis County, WAWA82,149+20%

692Leavenworth County, KSKS81,881+19%

693Cape Girardeau County, MOMO81,710+19%

694Payne County, OKOK81,646+20%

695Yuba County, CACA81,575+35%

696Manitowoc County, WIWI81,359−2%

697Bulloch County, GAGA81,099+45%

698Wagoner County, OKOK80,981+41%

699Caldwell County, NCNC80,652+4%

700Clearfield County, PAPA80,562−3%

701Floyd County, ININ80,484+14%

702Kosciusko County, ININ80,240+8%

703Umatilla County, OROR80,075+14%

704Natrona County, WYWY79,955+20%

705Putnam County, TNTN79,854+28%

706Clinton County, NYNY79,843−0%

707Hancock County, ININ79,840+44%

708Bedford County, VAVA79,462+32%

709Clinton County, MIMI79,128+22%

710Chelan County, WAWA79,074+19%

711Lynchburg, VAVA79,009+21%

712Wilson County, NCNC78,784+7%

713Sullivan County, NYNY78,624+6%

714Oconee County, SCSC78,607+19%

715James City County, VAVA78,254+63%

716Forrest County, MSMS78,158+8%

717Augusta County, VAVA77,487+18%

718Cole County, MOMO77,279+8%

719Clallam County, WAWA77,155+20%

720Anderson County, TNTN77,123+8%

721Ross County, OHOH77,093+5%

722Cattaraugus County, NYNY77,042−8%

723White County, ARAR76,822+14%

724Cheshire County, NHNH76,458+4%

725Walker County, TXTX76,400+24%

726Chatham County, NCNC76,285+55%

727Cayuga County, NYNY76,248−7%

728Valencia County, NMNM76,205+15%

729Jackson County, GAGA75,907+83%

730Grays Harbor County, WAWA75,636+13%

731Erie County, OHOH75,622−5%

732Van Buren County, MIMI75,587−1%

733Walton County, FLFL75,305+85%

734Hancock County, OHOH74,920+5%

735Raleigh County, WVWV74,591−6%

736Lea County, NMNM74,455+34%

737Wood County, WIWI74,207−2%

738Vermilion County, ILIL74,188−12%

739Somerset County, PAPA74,129−7%

740Broomfield County, COCO74,112–

741Lonoke County, ARAR74,015+40%

742Scioto County, OHOH74,008−7%

743Putnam County, FLFL73,321+4%

744Kauai County, HIHI73,298+25%

745Grand Forks County, NDND73,170+11%

746Lauderdale County, MSMS72,984−7%

747Fauquier County, VAVA72,972+32%

748McKinley County, NMNM72,902−3%

749Robertson County, TNTN72,803+34%

750Christian County, KYKY72,748+1%

751Tooele County, UTUT72,698+78%

752Pottawatomie County, OKOK72,454+11%

753Riley County, KSKS71,959+15%

754Morgan County, ININ71,780+8%

755Creek County, OKOK71,754+7%

756DeKalb County, ALAL71,608+11%

757Surry County, NCNC71,359+0%

758Franklin County, MAMA71,029−1%

759Lewis and Clark County, MTMT70,973+27%

760Boone County, ININ70,812+54%

761Portage County, WIWI70,377+5%

762Greene County, TNTN70,152+12%

763York County, VAVA70,045+24%

764Iberia Parish, LALA69,929−5%

765Ward County, NDND69,919+19%

766Columbia County, FLFL69,698+23%

767Troup County, GAGA69,426+18%

768Klamath County, OROR69,413+9%

769Greenwood County, SCSC69,351+5%

770Blue Earth County, MNMN69,112+24%

771Harrison County, TXTX68,839+11%

772San Patricio County, TXTX68,755+2%

773Wise County, TXTX68,632+41%

774Franklin County, NCNC68,573+45%

775Lake County, CACA68,163+17%

776Allegany County, MDMD68,106−9%

777Shiawassee County, MIMI68,094−5%

778Madison County, NYNY68,016−2%

779McCracken County, KYKY67,875+4%

780Catoosa County, GAGA67,872+27%

781Otero County, NMNM67,839+9%

782Carteret County, NCNC67,686+14%

783Walker County, GAGA67,654+11%

784Oldham County, KYKY67,607+46%

785Laurens County, SCSC67,539−3%

786Butler County, KSKS67,380+13%

787Spalding County, GAGA67,306+15%

788Jefferson County, ARAR67,260−20%

789Jones County, MSMS67,246+4%

790Williamson County, ILIL67,153+10%

791Aroostook County, MEME67,105−9%

792Rice County, MNMN67,097+18%

793St. Francois County, MOMO66,922+20%

794Ionia County, MIMI66,804+9%

795Grant County, ININ66,674−9%

796Montcalm County, MIMI66,614+9%

797Wayne County, ININ66,553−6%

798Belmont County, OHOH66,497−5%

799Muskogee County, OKOK66,339−4%

800Chippewa County, WIWI66,297+20%

801Crow Wing County, MNMN66,123+20%

802Apache County, AZAZ66,021−5%

803Marquette County, MIMI66,017+2%

804Wilkes County, NCNC65,969+1%

805Harrison County, WVWV65,921−4%

806Starr County, TXTX65,920+23%

807Tehama County, CACA65,829+17%

808Sauk County, WIWI65,763+19%

809Adams County, ILIL65,737−4%

810Warren County, NYNY65,737+4%

811Mason County, WAWA65,726+33%

812Armstrong County, PAPA65,558−9%

813Kershaw County, SCSC65,403+24%

814Marion County, OHOH65,359−1%

815Walker County, ALAL65,342−8%

816Clay County, MNMN65,318+28%

817Liberty County, GAGA65,256+6%

818Jefferson County, OHOH65,249−12%

819Lincoln County, SDSD65,161+170%

820Chaves County, NMNM65,157+6%

821Pulaski County, KYKY65,034+16%

822Coos County, OROR64,929+3%

823Salem County, NJNJ64,837+1%

824Effingham County, GAGA64,769+73%

825Carbon County, PAPA64,749+10%

826Columbia County, PAPA64,727+1%

827Nacogdoches County, TXTX64,653+9%

828Hamblen County, TNTN64,499+11%

829Rutherford County, NCNC64,444+2%

830Isabella County, MIMI64,394+2%

831Lamar County, MSMS64,222+64%

832San Benito County, CACA64,209+21%

833Warrick County, ININ63,898+22%

834Belknap County, NHNH63,705+13%

835Georgetown County, SCSC63,404+14%

836Pope County, ARAR63,381+16%

837Lee County, NCNC63,285+29%

838Darlington County, SCSC62,905−7%

839Hall County, NENE62,895+17%

840Garfield County, OKOK62,846+9%

841Union County, OHOH62,784+53%

842Knox County, OHOH62,721+15%

843Laurel County, KYKY62,613+19%

844Walla Walla County, WAWA62,584+13%

845Stanly County, NCNC62,504+8%

846Athens County, OHOH62,431+0%

847Barry County, MIMI62,423+10%

848Eddy County, NMNM62,314+21%

849Haywood County, NCNC62,089+15%

850Reno County, KSKS61,898−4%

851Livingston County, NYNY61,834−4%

852Garfield County, COCO61,685+41%

853Hood County, TXTX61,598+50%

854Columbia County, NYNY61,570−2%

855Washington County, NYNY61,302+0%

856Cumberland County, TNTN61,145+31%

857Granville County, NCNC60,992+26%

858Tipton County, TNTN60,970+19%

859St. Joseph County, MIMI60,939−2%

860Rutland County, VTVT60,572−4%

861Pittsylvania County, VAVA60,501−2%

862Pender County, NCNC60,203+47%

863Herkimer County, NYNY60,139−7%

864Crawford County, ARAR60,133+13%

865Otter Tail County, MNMN60,081+5%

866Bradford County, PAPA59,967−4%

867Washington County, VTVT59,807+3%

868Washington County, OHOH59,771−6%

869Mercer County, WVWV59,664−5%

870Lincoln County, MOMO59,574+53%

871Van Zandt County, TXTX59,541+24%

872Lyon County, NVNV59,235+72%

873Russell County, ALAL59,183+19%

874Blount County, ALAL59,134+16%

875Sampson County, NCNC59,036−2%

876Sandusky County, OHOH58,896−5%

877Lowndes County, MSMS58,879−4%

878Autauga County, ALAL58,805+35%

879Kenai Peninsula, AKAK58,799+18%

880Pike County, KYKY58,669−15%

881Newton County, MOMO58,648+11%

882Carson City, NVNV58,639+12%

883Huron County, OHOH58,565−2%

884Pickaway County, OHOH58,539+11%

885Pike County, PAPA58,535+26%

886Otsego County, NYNY58,524−5%

887Columbia County, WIWI58,490+11%

888Genesee County, NYNY58,388−3%

889Lawrence County, OHOH58,240−7%

890Anderson County, TXTX57,922+5%

891Coffee County, TNTN57,889+21%

892Maverick County, TXTX57,887+22%

893Oxford County, MEME57,777+6%

894Windsor County, VTVT57,753+1%

895Jefferson County, WVWV57,701+37%

896Box Elder County, UTUT57,666+35%

897Acadia Parish, LALA57,576−2%

898Gordon County, GAGA57,544+30%

899Putnam County, WVWV57,440+11%

900Vermilion Parish, LALA57,359+7%

901Iron County, UTUT57,289+70%

902Colbert County, ALAL57,227+4%

903Scott County, KYKY57,155+73%

904Waller County, TXTX56,794+74%

905Hawkins County, TNTN56,721+6%

906Chisago County, MNMN56,621+38%

907Carter County, TNTN56,356−1%

908Hardin County, TXTX56,231+17%

909Cherokee County, SCSC56,216+7%

910Marion County, WVWV56,205−1%

911Pearl River County, MSMS56,145+15%

912Taney County, MOMO56,066+41%

913Lafayette County, MSMS55,813+44%

914Eagle County, COCO55,731+34%

915Campbell County, VAVA55,696+9%

916Whiteside County, ILIL55,691−8%

917La Plata County, COCO55,638+27%

918Tuolumne County, CACA55,620+2%

919Hancock County, MEME55,478+7%

920Lenoir County, NCNC55,122−8%

921Seneca County, OHOH55,069−6%

922Loudon County, TNTN54,886+40%

923Grady County, OKOK54,795+20%

924Camden County, GAGA54,768+25%

925Jefferson County, TNTN54,683+23%

926Franklin County, VAVA54,477+15%

927Dickson County, TNTN54,315+26%

928Saline County, KSKS54,303+1%

929Watauga County, NCNC54,086+27%

930Johnson County, MOMO54,013+12%

931Pulaski County, MOMO53,955+31%

932Washington County, VAVA53,935+6%

933Elko County, NVNV53,702+19%

934Coffee County, ALAL53,465+23%

935Boone County, ILIL53,448+28%

936Roane County, TNTN53,404+3%

937Fulton County, NYNY53,324−3%

938Tuscola County, MIMI53,323−8%

939McMinn County, TNTN53,276+9%

940Gila County, AZAZ53,272+4%

941Jessamine County, KYKY52,991+36%

942Jackson County, ILIL52,974−11%

943Madison County, IDID52,913+93%

944Navarro County, TXTX52,624+17%

945Kerr County, TXTX52,598+20%

946Columbia County, OROR52,589+21%

947Jackson County, ALAL52,579−2%

948Culpeper County, VAVA52,552+53%

949St. Charles Parish, LALA52,549+9%

950Grundy County, ILIL52,533+40%

951Worcester County, MDMD52,460+13%

952Washington County, OKOK52,455+7%

953Ashland County, OHOH52,447−0%

954Calumet County, WIWI52,442+29%

955Warren County, IAIA52,403+29%

956Rusk County, TXTX52,214+10%

957Hoke County, NCNC52,082+55%

958Grant County, WIWI51,938+5%

959Darke County, OHOH51,881−3%

960Harrisonburg, VAVA51,814+28%

961Waupaca County, WIWI51,812+0%

962Oktibbeha County, MSMS51,788+21%

963Ogle County, ILIL51,788+1%

964St. Martin Parish, LALA51,767+7%

965Nye County, NVNV51,591+59%

966Cass County, MIMI51,589+1%

967Franklin County, KYKY51,541+8%

968Wayne County, PAPA51,155+7%

969Henry County, VAVA50,948−12%

970Bristol County, RIRI50,793+0%

971Medina County, TXTX50,748+29%

972Dearborn County, ININ50,679+10%

973Columbus County, NCNC50,623−8%

974Somerset County, MEME50,477−1%

975Venango County, PAPA50,454−12%

976Gibson County, TNTN50,429+5%

977Cherokee County, TXTX50,412+8%

978Lincoln County, OROR50,395+13%

979Bedford County, TNTN50,237+34%

980Polk County, TXTX50,123+22%

981Carroll County, NHNH50,107+15%

982Lamar County, TXTX50,088+3%

983Buffalo County, NENE50,084+19%

984Newaygo County, MIMI49,978+4%

985Knox County, ILIL49,967−11%

986Franklin County, VTVT49,946+10%

987Queen Anne's County, MDMD49,874+23%

988Wilson County, TXTX49,753+54%

989Winona County, MNMN49,671−1%

990Laurens County, GAGA49,570+10%

991Logan County, OKOK49,555+46%

992Montgomery County, NYNY49,532−0%

993Douglas County, NVNV49,488+20%

994St. Mary Parish, LALA49,406−8%

995Dale County, ALAL49,326+0%

996Henry County, ILIL49,284−3%

997Burnet County, TXTX49,130+44%

998Atascosa County, TXTX48,981+27%

999Fremont County, COCO48,939+6%

1000Henry County, ININ48,914+1%

SHOWING 501–1,000 OF 3,135

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