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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.

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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

UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS