Which county has the highest population density?

New York County, New York ranks #1 with 65,652 (1990 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?

3,122 counties qualify after filtering for population minimums and data availability. The ranking covers 1990 Decennial Census data.

How is population density measured?

Residents per square mile of land area. Source: US Census Bureau, 1990 Decennial Census.

RANKING · 1990 CENSUS · 500 SHOWN OF 3,122

Most densely populated, US counties · 1990

US counties ranked by residents per square mile (1990).

Flip the list · Most sparsely populated, US counties →

All statesAll rankings

SAME RANKING BYCities States Metros

YEAR1990 2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION DENSITYVS –

501Monroe County, PAPA167,179157–

502Ottawa County, OHOH39,481157–

503Johnson County, IAIA160,044157–

504Franklin County, PAPA160,652157–

505Bartholomew County, ININ85,729156–

506Mercer County, WVWV57,503155–

507Okaloosa County, FLFL221,810155–

508Sumter County, SCSC105,067154–

509Vance County, NCNC42,638154–

510Blount County, TNTN143,820154–

511Minnehaha County, SDSD212,691153–

512Canyon County, IDID275,123153–

513Lowndes County, GAGA122,867153–

514Baldwin County, GAGA44,029153–

515St. Charles Parish, LALA50,586153–

516Newton County, GAGA125,583153–

517Rockingham County, NCNC94,195152–

518Sandusky County, OHOH58,655152–

519Delaware County, OHOH242,032151–

520Carter County, TNTN57,361151–

521Adams County, PAPA107,594151–

522Berkshire County, MAMA128,224150–

523Beaufort County, SCSC204,433150–

524Caldwell County, NCNC81,105150–

525Burke County, NCNC88,655150–

526Carbon County, PAPA65,868149–

527Clackamas County, OROR426,280149–

528Glynn County, GAGA87,599149–

529Henry County, VAVA49,242149–

530Hancock County, ININ90,969149–

531Tuscarawas County, OHOH92,373148–

532Ontario County, NYNY113,130148–

533Wayne County, NYNY91,250148–

534Napa County, CACA132,949147–

535Ulster County, NYNY183,330147–

536Forrest County, MSMS79,034147–

537Dorchester County, SCSC178,397146–

538Midland County, MIMI83,754146–

539Lee County, MSMS83,731146–

540Lenoir County, NCNC55,837144–

541Lee County, ALAL189,881143–

542Carroll County, GAGA131,036143–

543Hardin County, KYKY113,482143–

544Florence County, SCSC138,504143–

545Spotsylvania County, VAVA155,388143–

546DeSoto County, MSMS197,918143–

547Kankakee County, ILIL105,525142–

548Boyle County, KYKY31,632142–

549Ashtabula County, OHOH96,713142–

550Dubuque County, IAIA99,381142–

551Nash County, NCNC99,365142–

552Jasper County, MOMO127,428142–

553Warren County, KYKY149,375142–

554Peach County, GAGA29,877141–

555Brazoria County, TXTX419,080141–

556Houston County, ALAL110,318140–

557Madison County, TNTN100,790140–

558St. Johns County, FLFL346,328140–

559Yolo County, CACA224,410139–

560Williamson County, TNTN272,061139–

561Leavenworth County, KSKS84,590139–

562Morgan County, ININ74,967138–

563Grand Traverse County, MIMI96,729138–

564Gloucester County, VAVA40,097138–

565Pasquotank County, NCNC42,201138–

566Platte County, MOMO114,400138–

567Williamson County, ILIL67,225137–

568Manitowoc County, WIWI81,710136–

569Lawrence County, OHOH55,710136–

570Loudon County, TNTN63,764136–

571Randolph County, NCNC149,516136–

572Montour County, PAPA17,868136–

573Carver County, MNMN114,379135–

574Hanover County, VAVA116,423135–

575Santa Barbara County, CACA442,065135–

576Walworth County, WIWI106,127135–

577Tift County, GAGA42,254134–

578Troup County, GAGA72,844134–

579Johnson County, TXTX218,048134–

580Chautauqua County, NYNY124,126134–

581Kennebec County, MEME129,067134–

582Belmont County, OHOH64,434134–

583Eau Claire County, WIWI109,033134–

584Paulding County, GAGA190,996133–

585Union County, NCNC267,674133–

586Anchorage, AKAK287,155133–

587Ector County, TXTX173,801132–

588Sagadahoc County, MEME37,979132–

589Scioto County, OHOH71,365132–

590Utah County, UTUT759,859132–

591Shiawassee County, MIMI67,681131–

592Madison County, KYKY101,696131–

593Stanly County, NCNC68,830131–

594Roane County, TNTN57,395131–

595Columbia County, PAPA66,193131–

596Greenwood County, SCSC70,379131–

597Walker County, GAGA70,250131–

598Taylor County, TXTX150,077131–

599Suffolk, VAVA104,699131–

600Nantucket County, MAMA14,758130–

601Stephens County, GAGA27,854130–

602Story County, IAIA101,291130–

603Montgomery County, NYNY50,046129–

604Merrimack County, NHNH158,078129–

605Putnam County, TNTN86,612128–

606Oswego County, NYNY118,569128–

607Dearborn County, ININ51,609127–

608Horry County, SCSC427,551127–

609Raleigh County, WVWV71,775127–

610Shelby County, ALAL238,552126–

611Fond du Lac County, WIWI104,669125–

612Marshall County, ALAL103,537125–

613Williamson County, TXTX752,827125–

614Putnam County, WVWV56,885124–

615Muskingum County, OHOH87,014123–

616DeKalb County, ILIL101,835123–

617Hancock County, OHOH75,034123–

618Kendall County, ILIL145,470123–

619Kosciusko County, ININ80,892123–

620Henry County, ININ49,137123–

621Placer County, CACA442,081123–

622Marion County, FLFL442,660123–

623Belknap County, NHNH65,147122–

624Marshall County, WVWV29,159122–

625Coweta County, GAGA160,240122–

626Lenawee County, MIMI97,779122–

627Bartow County, GAGA120,800122–

628Warren County, VAVA42,740122–

629Genesee County, NYNY58,416122–

630Jefferson County, WIWI86,505122–

631Fayette County, ININ23,533121–

632Sussex County, DEDE277,140121–

633Washington County, ARAR271,213120–

634Jefferson County, TNTN60,024120–

635Lauderdale County, ALAL97,135119–

636Crawford County, OHOH41,896119–

637Cayuga County, NYNY74,365119–

638Iberia Parish, LALA66,846119–

639Wilson County, TNTN175,033119–

640Midland County, TXTX187,855118–

641Watauga County, NCNC54,786118–

642Athens County, OHOH63,197118–

643Walton County, GAGA112,696118–

644St. Joseph County, MIMI60,968118–

645Lowndes County, MSMS57,346117–

646Clark County, KYKY37,888117–

647Warrick County, ININ66,803117–

648Berkeley County, SCSC274,666117–

649Surry County, NCNC72,287116–

650Washington County, OKOK54,037116–

651Lapeer County, MIMI89,516116–

652Craven County, NCNC105,025116–

653Van Buren County, MIMI76,071115–

654Benton County, ARAR332,554115–

655Union County, PAPA42,313114–

656Huron County, OHOH58,250114–

657Harnett County, NCNC150,137114–

658Tuscaloosa County, ALAL241,368114–

659Talbot County, MDMD38,238114–

660Cherokee County, SCSC58,275113–

661Aiken County, SCSC181,515113–

662Dukes County, MAMA21,219113–

663Woodbury County, IAIA106,649113–

664Armstrong County, PAPA63,698112–

665Rankin County, MSMS162,181112–

666Mifflin County, PAPA46,127112–

667Ashland County, OHOH52,523112–

668Fresno County, CACA1,035,456112–

669Edgecombe County, NCNC49,121112–

670Centre County, PAPA157,393112–

671Snyder County, PAPA39,655112–

672Butte County, CACA209,211111–

673Auglaize County, OHOH45,909111–

674Robeson County, NCNC119,941111–

675Floyd County, KYKY34,401111–

676Frederick County, VAVA99,955111–

677Darlington County, SCSC62,888110–

678Scott County, ININ25,053110–

679Shelby County, OHOH48,065110–

680Riley County, KSKS72,598110–

681Boone County, ILIL53,568110–

682Allegan County, MIMI123,188110–

683Fulton County, NYNY52,216109–

684McLean County, ILIL171,419109–

685Polk County, GAGA45,514109–

686Livingston Parish, LALA155,036109–

687Indiana County, PAPA82,878109–

688Seneca County, OHOH54,522108–

689Monterey County, CACA433,729108–

690Tangipahoa Parish, LALA141,346108–

691Garland County, ARAR99,695108–

692St. Francois County, MOMO67,809108–

693Pulaski County, VAVA33,586108–

694Calumet County, WIWI53,982108–

695Potter County, TXTX114,453108–

696Lauderdale County, MSMS70,317107–

697Orleans County, NYNY39,825107–

698Sutter County, CACA98,787107–

699Greenup County, KYKY35,213107–

700Cape Girardeau County, MOMO83,999107–

701Alexander County, NCNC36,958106–

702Scotland County, NCNC33,322106–

703Davie County, NCNC45,855106–

704Madison County, NYNY67,120106–

705Woodford County, KYKY27,883105–

706Benton County, OROR97,728105–

707Jackson County, ILIL52,501105–

708Comanche County, OKOK122,158104–

709Seneca County, NYNY32,883104–

710St. Mary Parish, LALA46,552104–

711Wright County, MNMN157,559104–

712Carteret County, NCNC70,469104–

713Prince George County, VAVA43,936103–

714Johnston County, NCNC256,448103–

715Bossier Parish, LALA131,867103–

716Des Moines County, IAIA38,077102–

717Liberty County, GAGA70,313102–

718Clinton County, MIMI80,432102–

719Grayson County, TXTX153,613102–

720Coles County, ILIL46,607102–

721West Baton Rouge Parish, LALA28,756101–

722Cass County, MIMI51,677101–

723Tioga County, NYNY47,453101–

724Rutherford County, NCNC65,745101–

725Ross County, OHOH76,429101–

726Talladega County, ALAL81,603101–

727Franklin County, MAMA70,698100–

728Laurel County, KYKY63,746100–

729Ionia County, MIMI66,557100–

730Habersham County, GAGA50,416100–

731Knox County, MEME41,11799–

732Rapides Parish, LALA125,87799–

733Lancaster County, SCSC114,29699–

734Columbia County, NYNY60,16899–

735Cheshire County, NHNH78,26999–

736Rice County, MNMN69,93999–

737Montgomery County, KYKY28,82299–

738Livingston County, NYNY61,43899–

739Miami County, ININ34,48799–

740Henderson County, KYKY44,25599–

741Franklin County, ILIL36,91699–

742McMinn County, TNTN57,40499–

743Washington County, OHOH58,38999–

744Gordon County, GAGA61,70198–

745Randall County, TXTX152,35198–

746Vermilion County, ILIL71,25998–

747Cortland County, NYNY45,85098–

748Wise County, VAVA34,82498–

749Shelby County, ININ45,88298–

750Jefferson County, ARAR62,98798–

751Craighead County, ARAR116,95798–

752DeKalb County, ININ44,53597–

753Mathews County, VAVA8,52997–

754Hays County, TXTX304,39097–

755Sherburne County, MNMN104,19497–

756Lycoming County, PAPA112,58797–

757Pickaway County, OHOH62,97896–

758Limestone County, ALAL122,92896–

759Christian County, KYKY70,11596–

760Defiance County, OHOH38,29296–

761Oconee County, GAGA44,89396–

762Isabella County, MIMI64,69195–

763Lawrence County, ININ45,56895–

764Marshall County, ININ46,59995–

765Logan County, WVWV30,37595–

766Fulton County, OHOH41,85395–

767Preble County, OHOH40,66495–

768Campbell County, VAVA55,62995–

769Albemarle County, VAVA118,35694–

770LaSalle County, ILIL107,77394–

771Coffee County, TNTN62,41994–

772Richmond County, NCNC42,04194–

773Clark County, NVNV2,407,22694–

774Washington County, MSMS40,44694–

775Scott County, MOMO37,97594–

776Cass County, ININ37,83693–

777Wood County, WIWI74,06093–

778Faulkner County, ARAR133,97993–

779Comal County, TXTX209,16693–

780Huntington County, ININ37,22493–

781Pike County, KYKY54,72192–

782Bowie County, TXTX92,69692–

783Logan County, OHOH46,30292–

784Noble County, ININ47,93792–

785Yuba County, CACA88,69192–

786Merced County, CACA297,26092–

787Cullman County, ALAL94,00992–

788Oconee County, SCSC83,77592–

789Adams County, ININ36,65092–

790Cass County, MOMO115,85992–

791Yamhill County, OROR110,02492–

792Hawkins County, TNTN59,55991–

793Queen Anne's County, MDMD54,44891–

794Muscatine County, IAIA41,85391–

795Guadalupe County, TXTX201,11191–

796Yadkin County, NCNC38,32591–

797Ellis County, TXTX240,86791–

798Barry County, MIMI63,99191–

799Knox County, OHOH64,00290–

800Boone County, ININ80,68990–

801Pike County, MSMS38,71290–

802Marshall County, KYKY31,65990–

803Payne County, OKOK83,88990–

804Greene County, TNTN73,83190–

805Cheatham County, TNTN42,77890–

806Darke County, OHOH51,52090–

807Hall County, NENE63,63390–

808Maury County, TNTN118,13189–

809Putnam County, FLFL77,73489–

810Jones County, MSMS66,49689–

811Perry County, KYKY26,55589–

812Unicoi County, TNTN17,85689–

813Steuben County, ININ34,79989–

814Johnson County, KYKY22,05189–

815Saline County, ARAR133,28889–

816Tazewell County, VAVA38,63589–

817Lincoln Parish, LALA48,36089–

818Stearns County, MNMN164,11088–

819Dale County, ALAL49,91288–

820Jackson County, GAGA99,26588–

821Venango County, PAPA49,34688–

822Whiteside County, ILIL54,12188–

823Williams County, OHOH36,54988–

824St. James Parish, LALA18,93888–

825Bell County, KYKY22,82988–

826Taylor County, WVWV16,28788–

827Angelina County, TXTX88,15488–

828Jefferson County, NYNY111,54087–

829Dodge County, WIWI89,09787–

830Franklin County, MOMO108,09087–

831Colbert County, ALAL59,47487–

832Robertson County, TNTN80,17587–

833St. Landry Parish, LALA80,76587–

834Pottawattamie County, IAIA92,99687–

835Clinton County, OHOH42,30187–

836Maui County, HIHI160,59286–

837Sevier County, TNTN101,34286–

838Dubois County, ININ44,01686–

839Walker County, ALAL65,14086–

840Mercer County, OHOH42,73785–

841Acadia Parish, LALA57,03285–

842Wagoner County, OKOK93,26385–

843Blackford County, ININ11,73085–

844Stephenson County, ILIL43,22085–

845Crawford County, PAPA81,79285–

846Hopkins County, KYKY45,12785–

847Wabash County, ININ30,71385–

848Hart County, GAGA28,63985–

849Haywood County, NCNC63,36985–

850San Patricio County, TXTX72,05385–

851Caroline County, MDMD34,11685–

852Moore County, NCNC110,61985–

853Scott County, KYKY62,26285–

854Victoria County, TXTX92,65684–

855Muskogee County, OKOK66,70884–

856Champaign County, OHOH38,82084–

857Oktibbeha County, MSMS51,89684–

858Butts County, GAGA27,21883–

859Canadian County, OKOK187,18983–

860Stokes County, NCNC46,12683–

861Clinton County, NYNY78,13883–

862Wapello County, IAIA35,21083–

863Jefferson County, ININ33,27983–

864Kauai County, HIHI73,40083–

865Tipton County, TNTN62,28782–

866Whitley County, ININ35,04682–

867Wayne County, WVWV37,30982–

868Cerro Gordo County, IAIA42,37282–

869Nevada County, CACA101,91182–

870Branch County, MIMI45,99382–

871Washington County, VAVA53,89882–

872Lancaster County, VAVA10,99582–

873Rogers County, OKOK102,19782–

874Laurens County, SCSC71,84881–

875Crittenden County, ARAR46,21081–

876Mineral County, WVWV26,79281–

877Warren County, MSMS41,75981–

878Upson County, GAGA28,50081–

879Osceola County, FLFL481,71881–

880McDowell County, NCNC45,19881–

881Santa Rosa County, FLFL211,11581–

882Lafourche Parish, LALA95,50580–

883Washington County, VTVT59,65280–

884Letcher County, KYKY19,95280–

885Calloway County, KYKY39,42180–

886Mingo County, WVWV21,45580–

887Gadsden County, FLFL44,29880–

888Elmore County, ALAL91,57780–

889Madison County, OHOH46,98579–

890Taylor County, KYKY26,76379–

891Monroe County, FLFL80,40679–

892Isle of Wight County, VAVA41,32179–

893Alcorn County, MSMS34,56979–

894St. Clair County, ALAL98,20679–

895Geary County, KSKS36,33879–

896Meade County, KYKY30,69979–

897Terrebonne Parish, LALA104,16379–

898Wilkes County, NCNC66,23379–

899Knox County, ILIL47,76779–

900Harlan County, KYKY24,72579–

901Chowan County, NCNC14,08278–

902McDuffie County, GAGA21,64078–

903Haralson County, GAGA33,06678–

904Holmes County, OHOH44,97078–

905LaGrange County, ININ41,30578–

906Perry County, OHOH35,91877–

907Grundy County, ILIL54,05277–

908Knox County, ININ35,65277–

909Adams County, ILIL64,26777–

910Rhea County, TNTN34,84477–

911Person County, NCNC40,63677–

912Gibson County, TNTN51,77977–

913Knox County, KYKY29,53277–

914Mercer County, KYKY23,73377–

915Halifax County, NCNC46,53477–

916Portage County, WIWI71,94377–

917Orangeburg County, SCSC83,17777–

918Bradford County, FLFL28,30777–

919Hunt County, TXTX123,33677–

920Adams County, MSMS30,06176–

921Clinton County, ININ33,32276–

922Winona County, MNMN50,52376–

923Warren County, TNTN43,71776–

924Collier County, FLFL417,13176–

925Whitley County, KYKY37,29776–

926Murray County, GAGA41,60776–

927Dade County, GAGA16,15476–

928Pulaski County, MOMO54,44276–

929Madison County, MSMS116,29875–

930King George County, VAVA29,64675–

931Montcalm County, MIMI69,40675–

932Fauquier County, VAVA76,50375–

933Pulaski County, KYKY67,38475–

934Worcester County, MDMD54,45975–

935Lee County, IAIA32,30675–

936Guernsey County, OHOH38,37975–

937Marathon County, WIWI139,43275–

938Perry County, PAPA46,80675–

939Pottawatomie County, OKOK75,10275–

940Madison County, GAGA32,91975–

941Van Wert County, OHOH29,01374–

942Union County, OHOH73,44674–

943Franklin County, NCNC82,03774–

944Jackson County, ININ47,37074–

945Benton County, MNMN41,74474–

946El Dorado County, CACA192,32374–

947Starke County, ININ23,42574–

948Chisago County, MNMN59,14274–

949Clinton County, IAIA46,00273–

950Crisp County, GAGA19,23773–

951Somerset County, MDMD24,97373–

952Culpeper County, VAVA57,66673–

953Russell County, ALAL58,89873–

954Campbell County, TNTN40,29073–

955Kings County, CACA154,32773–

956Somerset County, PAPA72,00473–

957Rowan County, KYKY24,47673–

958Hillsdale County, MIMI45,73873–

959Marion County, ILIL36,38273–

960Pima County, AZAZ1,074,68573–

961Fayette County, WVWV38,16572–

962Blue Earth County, MNMN70,63472–

963Carroll County, KYKY11,14172–

964Granville County, NCNC61,42172–

965Anderson County, KYKY25,22572–

966Cowlitz County, WAWA114,88572–

967Jackson County, OHOH32,81772–

968Dillon County, SCSC27,45872–

969Douglas County, COCO399,39672–

970Sullivan County, NHNH43,96172–

971Wyoming County, NYNY39,74172–

972Larimer County, COCO377,29272–

973Smyth County, VAVA28,88272–

974Parker County, TXTX184,76772–

975Clinton County, ILIL37,12872–

976Thomas County, GAGA46,36872–

977Dickson County, TNTN58,66272–

978Sullivan County, NYNY80,58672–

979Steele County, MNMN37,46472–

980Brown County, OHOH44,39771–

981Crawford County, ARAR62,65771–

982Washington County, NYNY59,35371–

983Steuben County, NYNY91,85571–

984Newton County, MOMO62,26371–

985Lamar County, GAGA20,94171–

986Chattooga County, GAGA25,30071–

987Aransas County, TXTX26,14671–

988Nelson County, KYKY49,03671–

989Webster Parish, LALA34,94871–

990San Bernardino County, CACA2,224,09171–

991Wyoming County, PAPA25,79071–

992Jefferson County, PAPA43,25571–

993Accomack County, VAVA33,85971–

994Wells County, ININ28,88370–

995DeKalb County, ALAL74,08570–

996Putnam County, OHOH34,38070–

997Henry County, OHOH27,59870–

998Page County, VAVA23,76270–

999Saline County, ILIL22,77270–

1000Barren County, KYKY45,64170–

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