Which county has the highest population density?

New York County, New York ranks #1 with 74,775 (2020 Decennial Census).

What are the top 5 counties by population density?

New York County, New York, Kings County, New York, Bronx County, New York, Queens County, New York, San Francisco 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 population density measured?

Residents per square mile of land area. Source: US Census Bureau, 2020 Decennial Census.

RANKING · 2020 CENSUS · 500 SHOWN OF 3,135

Most densely populated, US counties · 2020

US counties ranked by residents per square mile (2020).

Flip the list · Most sparsely populated, US counties →

All statesAll rankings

SAME RANKING BYCities States Metros

YEAR1990 2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION DENSITYVS 2000

501Sumter County, FLFL157,772233+143%

502Black Hawk County, IAIA131,532232+2%

503Bay County, FLFL204,479231+18%

504Sheboygan County, WIWI118,047231+5%

505Wood County, WVWV82,385230−4%

506Anderson County, TNTN82,066229+8%

507Jackson County, MIMI159,552228+1%

508Rock County, WIWI166,472228+7%

509Okaloosa County, FLFL221,810228+24%

510Oconee County, GAGA44,893227+59%

511Sangamon County, ILIL194,170226+4%

512Daviess County, KYKY104,898225+13%

513Clackamas County, OROR426,280225+25%

514Sherburne County, MNMN104,194224+51%

515Harnett County, NCNC150,137224+47%

516Jackson County, GAGA99,265224+83%

517Tompkins County, NYNY104,047223+10%

518St. Clair County, MIMI160,486222−2%

519Frederick County, VAVA99,955221+54%

520Livingston Parish, LALA155,036220+55%

521Cleveland County, NCNC103,325214+3%

522Wilson County, NCNC81,150214+7%

523Wood County, OHOH134,176214+9%

524York County, MEME222,434214+14%

525Wright County, MNMN157,559214+57%

526Yolo County, CACA224,410214+28%

527Morgan County, ALAL126,483213+11%

528Wayne County, NCNC122,278212+4%

529Madison County, KYKY101,696212+31%

530Wayne County, OHOH116,758211+5%

531Berkeley County, SCSC274,666208+61%

532Buchanan County, MOMO83,540208−1%

533Champaign County, ILIL209,972207+15%

534Chemung County, NYNY80,415207−8%

535Wichita County, TXTX129,555206−2%

536Ellis County, TXTX240,867206+73%

537Grand Traverse County, MIMI96,729205+23%

538Calcasieu Parish, LALA208,466204+18%

539Tazewell County, ILIL130,049203+2%

540Scott County, KYKY62,262203+73%

541Rankin County, MSMS162,181202+36%

542Bartholomew County, ININ85,729202+15%

543Franklin County, PAPA160,652202+21%

544Glynn County, GAGA87,599201+25%

545Kanawha County, WVWV172,381200−10%

546Northumberland County, PAPA89,920200−3%

547Adams County, PAPA107,594200+14%

548Dukes County, MAMA21,219200+37%

549Putnam County, TNTN86,612199+28%

550Jefferson County, TNTN60,024199+23%

551Jackson County, MSMS147,666198+9%

552St. John the Baptist Parish, LALA39,875198−1%

553Cole County, MOMO77,908197+8%

554Salem County, NJNJ66,280195+1%

555Cambria County, PAPA128,968194−13%

556Floyd County, GAGA101,378193+9%

557Etowah County, ALAL103,8861930%

558Jasper County, MOMO127,428192+17%

559Calhoun County, ALAL115,834192+4%

560Walworth County, WIWI106,127192+14%

561Columbiana County, OHOH99,377192−9%

562Oneida County, NYNY226,392191−1%

563Faulkner County, ARAR133,979191+44%

564Boone County, ILIL53,568190+28%

565Calhoun County, MIMI133,408190−3%

566Warren County, VAVA42,740190+29%

567Eaton County, MIMI109,581190+5%

568St. Charles Parish, LALA50,586189+9%

569Midland County, TXTX187,855189+47%

570Collier County, FLFL417,131188+49%

571LaPorte County, ININ111,294188+2%

572Peach County, GAGA29,877186+18%

573Kaufman County, TXTX209,235186+104%

574Santa Rosa County, FLFL211,115186+60%

575Lee County, MSMS83,731185+10%

576Houston County, ALAL110,318185+21%

577Randolph County, NCNC149,516184+11%

578Ector County, TXTX173,801184+36%

579Limestone County, ALAL122,928184+58%

580Schuylkill County, PAPA145,085184−5%

581Napa County, CACA132,949184+11%

582Marion County, WVWV55,584182−1%

583Macon County, ILIL99,300179−9%

584Pasquotank County, NCNC42,201179+16%

585Los Alamos County, NMNM19,407178+6%

586Morgan County, ININ74,967178+8%

587Gloucester County, VAVA40,097178+11%

588Hardin County, KYKY113,482177+18%

589Madison County, TNTN100,790177+8%

590Leavenworth County, KSKS84,590177+19%

591Nash County, NCNC99,365176+9%

592Lancaster County, SCSC114,296175+57%

593Ontario County, NYNY113,130175+12%

594Watauga County, NCNC54,786173+27%

595Burke County, NCNC88,655173−2%

596Marshall County, ALAL103,537173+19%

597Canadian County, OKOK187,189172+76%

598Story County, IAIA101,291172+23%

599Tuscaloosa County, ALAL241,368172+38%

600Florence County, SCSC138,504171+9%

601Caldwell County, NCNC81,105171+4%

602Anchorage, AKAK287,155171+12%

603Saline County, ARAR133,288171+48%

604Carbon County, PAPA65,868170+10%

605Boyle County, KYKY31,632170+11%

606Dallas County, IAIA118,457169+145%

607Baldwin County, GAGA44,029169−2%

608Fresno County, CACA1,035,456169+26%

609Vance County, NCNC42,638169−1%

610Tangipahoa Parish, LALA141,346168+32%

611Forrest County, MSMS79,034168+8%

612Troup County, GAGA72,844168+18%

613Boone County, ININ80,689167+54%

614Habersham County, GAGA50,416166+28%

615Putnam County, WVWV56,885166+11%

616Warrick County, ININ66,803166+22%

617Dearborn County, ININ51,609166+10%

618Sevier County, TNTN101,342166+38%

619Eau Claire County, WIWI109,033166+13%

620Wayne County, ININ66,169166−6%

621Sutter County, CACA98,787165+26%

622Carter County, TNTN57,361165−1%

623Merrimack County, NHNH158,078165+13%

624Calumet County, WIWI53,982165+29%

625Maury County, TNTN118,131165+45%

626Mercer County, PAPA107,860165−8%

627Tuscarawas County, OHOH92,373164+3%

628Parker County, TXTX184,767164+67%

629Santa Barbara County, CACA442,065164+12%

630Dubuque County, IAIA99,381163+11%

631Fayette County, PAPA123,021163−13%

632Prince George County, VAVA43,936162+30%

633Davie County, NCNC45,855162+23%

634Marion County, OHOH65,115162−1%

635Ulster County, NYNY183,330162+2%

636Gordon County, GAGA61,701161+30%

637Allegany County, MDMD66,848161−9%

638Midland County, MIMI83,754161+1%

639Rockingham County, NCNC94,195161−1%

640Grant County, ININ66,524161−9%

641Brunswick County, NCNC174,702161+87%

642Jefferson County, OHOH63,597160−12%

643Williamson County, ILIL67,225160+10%

644DeKalb County, ILIL101,835159+13%

645Kankakee County, ILIL105,525159+4%

646Sumter County, SCSC105,067159+1%

647Belknap County, NHNH65,147159+13%

648Ottawa County, OHOH39,481158−2%

649Tift County, GAGA42,254158+8%

650Harrison County, WVWV64,221158−4%

651Stanly County, NCNC68,830158+8%

652Christian County, MOMO96,725158+64%

653Aiken County, SCSC181,515158+18%

654Craighead County, ARAR116,957157+35%

655Taylor County, TXTX150,077156+13%

656Albemarle County, VAVA118,356156+42%

657Cass County, MOMO115,859155+31%

658Randall County, TXTX152,351154+35%

659Bossier Parish, LALA131,867153+31%

660Robertson County, TNTN80,175153+34%

661Madison County, MSMS116,298153+46%

662Jefferson County, WIWI86,505153+15%

663Greenwood County, SCSC70,379152+5%

664Walker County, GAGA70,250152+11%

665Wayne County, NYNY91,250151−3%

666Kosciusko County, ININ80,892151+8%

667Yamhill County, OROR110,024150+27%

668Stephens County, GAGA27,854150+5%

669King George County, VAVA29,646149+59%

670St. Francois County, MOMO67,809148+20%

671Roane County, TNTN57,395148+3%

672Garland County, ARAR99,695148+14%

673Clark County, KYKY37,888146+12%

674Hood County, TXTX70,501146+50%

675Allegan County, MIMI123,188146+14%

676Baldwin County, ALAL267,761146+65%

677Union County, OHOH73,446145+53%

678Grayson County, TXTX153,613145+23%

679Merced County, CACA297,260145+34%

680Fond du Lac County, WIWI104,669145+7%

681Sagadahoc County, MEME37,979144+4%

682McLean County, ILIL171,419144+14%

683Laurel County, KYKY63,746144+19%

684Sandusky County, OHOH58,655144−5%

685St. Clair County, ALAL98,206144+41%

686Wagoner County, OKOK93,263144+41%

687Pickens County, GAGA37,167143+45%

688Cherokee County, SCSC58,275143+7%

689Moore County, NCNC110,619143+33%

690Centre County, PAPA157,393143+17%

691Craven County, NCNC105,025143+10%

692Kennebec County, MEME129,067143+6%

693Montgomery County, KYKY28,822142+25%

694Mercer County, WVWV57,503142−5%

695Elmore County, ALAL91,577142+34%

696Maui County, HIHI160,592142+29%

697Woodford County, KYKY27,883142+16%

698West Baton Rouge Parish, LALA28,756141+26%

699Cape Girardeau County, MOMO83,999141+19%

700Hancock County, OHOH75,034141+5%

701Benton County, OROR97,728141+22%

702Rogers County, OKOK102,197141+35%

703Alexander County, NCNC36,958140+8%

704Lauderdale County, ALAL97,135140+6%

705Talbot County, MDMD38,238140+11%

706Clinton County, MIMI80,432139+22%

707Franklin County, NCNC82,037139+45%

708Nassau County, FLFL106,879139+57%

709Berkshire County, MAMA128,224139−4%

710Montour County, PAPA17,868139−1%

711Ashtabula County, OHOH96,713139−5%

712Culpeper County, VAVA57,666139+53%

713Butts County, GAGA27,218138+30%

714Kootenai County, IDID191,864138+58%

715Larimer County, COCO377,292138+43%

716Lenoir County, NCNC55,837138−8%

717Polk County, GAGA45,514138+12%

718Manitowoc County, WIWI81,710138−2%

719Lapeer County, MIMI89,516137+1%

720Chisago County, MNMN59,142136+38%

721Cheatham County, TNTN42,778136+14%

722Rice County, MNMN69,939135+18%

723Effingham County, GAGA74,397135+73%

724Union County, PAPA42,313135+3%

725Coffee County, TNTN62,419135+21%

726Queen Anne's County, MDMD54,448134+23%

727Surry County, NCNC72,2871340%

728Columbia County, PAPA66,193134+1%

729Tipton County, TNTN62,287134+19%

730Monterey County, CACA433,729134+9%

731Hoke County, NCNC56,939133+55%

732Carteret County, NCNC70,469133+14%

733Henry County, VAVA49,242133−12%

734Lenawee County, MIMI97,779133+1%

735Greene County, VAVA21,958132+35%

736Potter County, TXTX114,453130+4%

737Muskingum County, OHOH87,014130+2%

738St. Croix County, WIWI98,276130+48%

739Lamar County, MSMS67,403129+64%

740Butte County, CACA209,211129+4%

741Yuba County, CACA88,691129+35%

742Lawrence County, OHOH55,710128−7%

743Shiawassee County, MIMI67,681128−5%

744Scott County, ININ25,053128+6%

745Dawson County, GAGA35,365127+67%

746Shelby County, KYKY51,243127+44%

747Liberty County, GAGA70,313126+6%

748Washington County, OKOK54,037126+7%

749Grundy County, ILIL54,052126+40%

750Oconee County, SCSC83,775125+19%

751Belmont County, OHOH64,434125−5%

752Henry County, ININ49,137125+1%

753Van Buren County, MIMI76,071124−1%

754Ashland County, OHOH52,5231240%

755Athens County, OHOH63,1971240%

756McMinn County, TNTN57,404124+9%

757Oswego County, NYNY118,569124−4%

758Raleigh County, WVWV71,775123−6%

759Robeson County, NCNC119,941123−6%

760Montgomery County, NYNY50,0461230%

761Isle of Wight County, VAVA41,321122+30%

762St. Joseph County, MIMI60,968122−2%

763Benton County, WAWA221,722122+45%

764Iberia Parish, LALA66,846122−5%

765Woodbury County, IAIA106,649121+2%

766Scioto County, OHOH71,365121−7%

767Snyder County, PAPA39,655121+6%

768Chautauqua County, NYNY124,126120−9%

769Bulloch County, GAGA86,949120+45%

770Cullman County, ALAL94,009120+13%

771Knox County, OHOH64,002119+15%

772DeKalb County, ININ44,535119+7%

773Payne County, OKOK83,889119+20%

774Huron County, OHOH58,250119−2%

775Hunt County, TXTX123,336119+30%

776Genesee County, NYNY58,416118−3%

777Lumpkin County, GAGA36,178118+59%

778Shelby County, OHOH48,065118+1%

779Kauai County, HIHI73,400118+25%

780Riley County, KSKS72,598118+15%

781Polk County, OROR90,037118+40%

782Anderson County, KYKY25,225118+25%

783Stearns County, MNMN164,110118+19%

784Ionia County, MIMI66,557117+9%

785Pickaway County, OHOH62,978117+11%

786Powhatan County, VAVA32,591117+36%

787Lowndes County, MSMS57,346116−4%

788Hawkins County, TNTN59,559116+6%

789White County, GAGA29,802116+40%

790Murray County, GAGA41,607116+9%

791St. Bernard Parish, LALA45,642116−35%

792Auglaize County, OHOH45,9091160%

793Noble County, ININ47,937116+3%

794Hall County, NENE63,633115+17%

795Granville County, NCNC61,421115+26%

796Cache County, UTUT145,000114+46%

797Rutherford County, NCNC65,745114+2%

798Pima County, AZAZ1,074,685114+24%

799Franklin County, MOMO108,090113+12%

800Comanche County, OKOK122,158113+5%

801Oktibbeha County, MSMS51,896113+21%

802Lincoln County, SDSD77,145113+170%

803Barry County, MIMI63,991113+10%

804Madison County, IDID55,172113+93%

805Greene County, TNTN73,831113+12%

806Fauquier County, VAVA76,503113+32%

807Isabella County, MIMI64,691112+2%

808Mifflin County, PAPA46,127112−1%

809Darlington County, SCSC62,888112−7%

810Haywood County, NCNC63,369112+15%

811Worcester County, MDMD54,459112+13%

812El Dorado County, CACA192,323112+22%

813Chatham County, NCNC85,111112+55%

814Ross County, OHOH76,429112+5%

815Kern County, CACA927,068112+37%

816Nelson County, KYKY49,036112+25%

817Steuben County, ININ34,799112+4%

818Talladega County, ALAL81,603111+2%

819Knox County, MEME41,117111+2%

820Hart County, GAGA28,639111+12%

821Yadkin County, NCNC38,325111+2%

822Dickson County, TNTN58,662111+26%

823Campbell County, VAVA55,629111+9%

824Waller County, TXTX69,858111+74%

825Cayuga County, NYNY74,365110−7%

826Kings County, CACA154,327110+18%

827Shelby County, ININ45,882110+4%

828Bastrop County, TXTX118,908109+68%

829New Kent County, VAVA28,022109+70%

830Fayette County, ININ23,533109−9%

831San Bernardino County, CACA2,224,091109+28%

832Angelina County, TXTX88,154108+8%

833Cheshire County, NHNH78,269108+4%

834Fulton County, NYNY52,216108−3%

835Whatcom County, WAWA236,392108+36%

836Pike County, PAPA62,808107+26%

837Currituck County, NCNC33,158107+54%

838Scotland County, NCNC33,322107−5%

839Nevada County, CACA101,911107+11%

840Madison County, GAGA32,919107+17%

841LaGrange County, ININ41,305107+16%

842Orange County, VAVA40,083106+40%

843Bedford County, TNTN55,273106+34%

844Haralson County, GAGA33,066106+16%

845Pulaski County, VAVA33,586106−4%

846Adams County, ININ36,650106+6%

847Fulton County, OHOH41,853105+1%

848Cass County, MIMI51,677105+1%

849Bowie County, TXTX92,696105+4%

850Marshall County, KYKY31,659105+5%

851Holmes County, OHOH44,970105+14%

852Crawford County, OHOH41,896105−11%

853Cass County, NDND201,794105+50%

854Bedford County, VAVA83,059105+32%

855Seneca County, NYNY32,883104+1%

856Spencer County, KYKY20,998104+66%

857Greenup County, KYKY35,213104−3%

858Caroline County, MDMD34,116104+12%

859Rhea County, TNTN34,844104+16%

860Marshall County, ININ46,599104+2%

861Madison County, NYNY67,120104−2%

862Lauderdale County, MSMS70,317104−7%

863Victoria County, TXTX92,656104+9%

864Orleans County, NYNY39,825103−9%

865Clinton County, OHOH42,301103+4%

866Henderson County, KYKY44,2551030%

867Lincoln Parish, LALA48,360103+14%

868San Juan County, WAWA18,577102+26%

869Bryan County, GAGA52,062102+91%

870Dubois County, ININ44,016102+10%

871Dodge County, WIWI89,097102+4%

872Whitley County, ININ35,046102+11%

873Franklin County, MAMA70,698102−1%

874Trousdale County, TNTN12,623102+60%

875Christian County, KYKY70,115101+1%

876Benton County, MNMN41,744101+21%

877McDowell County, NCNC45,198101+6%

878Crawford County, ARAR62,657101+13%

879Lamar County, GAGA20,941101+16%

880Putnam County, FLFL77,734101+4%

881Logan County, OHOH46,3021010%

882Indiana County, PAPA82,878101−7%

883Armstrong County, PAPA63,698100−9%

884Lawrence County, ININ45,568100−2%

885Marshall County, WVWV29,159100−14%

886Seneca County, OHOH54,522100−6%

887Person County, NCNC40,636100+10%

888Highlands County, FLFL111,12299+16%

889Mathews County, VAVA8,52999−7%

890San Patricio County, TXTX72,05399+2%

891Stokes County, NCNC46,126990%

892Autauga County, ALAL61,92099+35%

893Muscatine County, IAIA41,85399+4%

894Pulaski County, KYKY67,38499+16%

895Pulaski County, MOMO54,44299+31%

896Rockingham County, VAVA89,31699+24%

897Pike County, MSMS38,71299+4%

898Pottawattamie County, IAIA92,99698+7%

899Meade County, KYKY30,69998+14%

900Rapides Parish, LALA125,87798+3%

901Tulare County, CACA485,14698+29%

902Livingston County, NYNY61,43898−4%

903Taylor County, KYKY26,76398+14%

904Walker County, TXTX83,84297+24%

905Hancock County, MSMS46,87397+7%

906Cowlitz County, WAWA114,88597+19%

907Columbia County, NYNY60,16897−2%

908Jones County, MSMS66,49697+4%

909Edgecombe County, NCNC49,12197−12%

910Taylor County, WVWV16,28797+4%

911Grant County, KYKY26,18197+11%

912Preble County, OHOH40,66497−3%

913LaSalle County, ILIL107,77397−2%

914Colbert County, ALAL59,47497+4%

915Calloway County, KYKY39,42196+9%

916Unicoi County, TNTN17,85696+1%

917Dare County, NCNC38,24596+23%

918Bradford County, FLFL28,30796+8%

919Miami County, ININ34,487960%

920Washington County, VAVA53,89896+6%

921Lonoke County, ARAR76,66496+40%

922Huntington County, ININ37,22496−4%

923Geary County, KSKS36,33896+31%

924Lincoln County, MOMO66,67695+53%

925Fluvanna County, VAVA28,97595+36%

926Laurens County, SCSC71,84895−3%

927Warren County, TNTN43,71795+7%

928Washington County, OHOH58,38995−6%

929Aransas County, TXTX26,14695+6%

930Montcalm County, MIMI69,40694+9%

931Isanti County, MNMN44,38694+31%

932Henderson County, TXTX88,59594+12%

933Madison County, OHOH46,98594+9%

934Newton County, MOMO62,26394+11%

935Cortland County, NYNY45,85094−4%

936Wood County, WIWI74,06094−2%

937Des Moines County, IAIA38,07794−8%

938Tioga County, NYNY47,45393−6%

939Dade County, GAGA16,15493+7%

940Lee County, GAGA34,17993+34%

941Defiance County, OHOH38,29293−3%

942Lycoming County, PAPA112,58793−5%

943Franklin County, ILIL36,91692−3%

944Blue Earth County, MNMN70,63492+24%

945Russell County, ALAL58,89892+19%

946Coles County, ILIL46,60792−12%

947DeKalb County, ALAL74,08592+11%

948Jefferson County, NYNY111,54092+4%

949Warren County, IAIA57,33192+29%

950Pottawatomie County, OKOK75,10292+11%

951Mercer County, OHOH42,73792+4%

952Jefferson County, ININ33,27992+5%

953Cass County, ININ37,83692−7%

954Blount County, ALAL60,15692+16%

955Marshall County, TNTN38,07191+28%

956Floyd County, KYKY34,40191−15%

957Lafourche Parish, LALA95,50591+8%

958Barren County, KYKY45,64191+17%

959Jackson County, ININ47,37091+12%

960Mercer County, KYKY23,73391+9%

961Jackson County, ILIL52,50191−11%

962Monroe County, ILIL34,84091+27%

963Richmond County, NCNC42,04191−8%

964Scott County, MOMO37,97591−6%

965Champaign County, OHOH38,820900%

966Kershaw County, SCSC73,16690+24%

967Cumberland County, TNTN66,30090+31%

968Franklin County, GAGA25,94890+15%

969Wise County, VAVA34,82490−10%

970St. Landry Parish, LALA80,76589−6%

971Marathon County, WIWI139,43289+10%

972Brown County, OHOH44,39789+3%

973Grand Isle County, VTVT7,51189+6%

974Terrebonne Parish, LALA104,16389+5%

975Taney County, MOMO57,00189+41%

976Branch County, MIMI45,99389−2%

977Union County, TNTN21,45089+11%

978St. Mary Parish, LALA46,55288−8%

979Gallatin County, KYKY8,84088+10%

980Lafayette County, MSMS59,59788+44%

981Williams County, OHOH36,54988−5%

982Rowan County, KYKY24,47688+12%

983Dale County, ALAL49,912880%

984Portage County, WIWI71,94388+5%

985Acadia Parish, LALA57,03288−2%

986Jackson County, NCNC45,03988+30%

987Goochland County, VAVA29,18788+47%

988Wilkes County, NCNC66,23388+1%

989Pike County, GAGA20,93287+38%

990Columbia County, FLFL74,09487+23%

991Transylvania County, NCNC34,21187+12%

992Steele County, MNMN37,46487+11%

993Washington County, VTVT59,65287+3%

994Shenandoah County, VAVA45,83987+26%

995Camden County, GAGA60,14387+25%

996Alcorn County, MSMS34,56987+1%

997Perry County, OHOH35,91887+4%

998Darke County, OHOH51,52087−3%

999Johnson County, KYKY22,05187−3%

1000Morrow County, OHOH36,30586+11%

SHOWING 501–1,000 OF 3,135

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