Which county has the highest population density?

New York County, New York ranks #1 with 69,992 (2010 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?

3,131 counties qualify after filtering for population minimums and data availability. The ranking covers 2010 Decennial Census data.

How is population density measured?

Residents per square mile of land area. Source: US Census Bureau, 2010 Decennial Census.

RANKING · 2010 CENSUS · 500 SHOWN OF 3,131

Most densely populated, US counties · 2010

US counties ranked by residents per square mile (2010).

Flip the list · Most sparsely populated, US counties →

All statesAll rankings

SAME RANKING BYCities States Metros

YEAR1990 2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION DENSITYVS 2000

501Hanover County, VAVA116,423214+16%

502Johnson County, IAIA160,044214+18%

503Johnston County, NCNC256,448213+38%

504Platte County, MOMO114,400213+21%

505Suffolk, VAVA104,699212+33%

506Loudon County, TNTN63,764212+24%

507Cleveland County, NCNC103,325211+2%

508Daviess County, KYKY104,898211+6%

509Sussex County, DEDE277,140211+26%

510Warren County, KYKY149,375210+23%

511Minnehaha County, SDSD212,691210+14%

512Wichita County, TXTX129,5552100%

513Tazewell County, ILIL130,049209+5%

514Cambria County, PAPA128,968209−6%

515Marion County, FLFL442,660209+28%

516Johnson County, TXTX218,048208+19%

517Northumberland County, PAPA89,9202070%

518Wayne County, OHOH116,758206+3%

519Morgan County, ALAL126,483206+8%

520Sherburne County, MNMN104,194204+37%

521Wood County, OHOH134,176203+4%

522Columbiana County, OHOH99,377203−4%

523Osceola County, FLFL481,718202+56%

524Champaign County, ILIL209,972202+12%

525Clackamas County, OROR426,280201+11%

526Wilson County, TNTN175,033200+28%

527Salem County, NJNJ66,280199+3%

528York County, MEME222,434199+6%

529Yolo County, CACA224,410198+19%

530Livingston Parish, LALA155,036198+39%

531Flagler County, FLFL140,360197+92%

532Calhoun County, ALAL115,834196+6%

533Adams County, PAPA107,594196+11%

534Etowah County, ALAL103,886195+1%

535Okaloosa County, FLFL221,810194+6%

536Cole County, MOMO77,908194+6%

537Comal County, TXTX209,166194+39%

538Franklin County, PAPA160,652194+16%

539Oneida County, NYNY226,3921940%

540Jackson County, MSMS147,666193+6%

541Boone County, ILIL53,568193+30%

542Calhoun County, MIMI133,408193−1%

543Harnett County, NCNC150,137193+26%

544Macon County, ILIL99,300191−3%

545Schuylkill County, PAPA145,085190−1%

546St. Charles Parish, LALA50,586190+10%

547Glynn County, GAGA87,599190+18%

548Frederick County, VAVA99,955190+32%

549Madison County, KYKY101,696189+17%

550Floyd County, GAGA101,378189+6%

551Bartholomew County, ININ85,729189+8%

552Wright County, MNMN157,559189+39%

553Eaton County, MIMI109,581187+4%

554Grand Traverse County, MIMI96,729187+12%

555Jefferson County, TNTN60,024187+16%

556LaPorte County, ININ111,294186+1%

557Guadalupe County, TXTX201,111185+48%

558Peach County, GAGA29,877184+17%

559Lee County, MSMS83,731184+9%

560Walworth County, WIWI106,127184+9%

561Jasper County, MOMO127,428184+12%

562Marion County, WVWV55,5841830%

563Rankin County, MSMS162,181183+23%

564Napa County, CACA132,949182+10%

565Randolph County, NCNC149,516181+9%

566Calcasieu Parish, LALA208,466181+5%

567Putnam County, TNTN86,612180+16%

568Vance County, NCNC42,638180+6%

569Burke County, NCNC88,655180+2%

570Pasquotank County, NCNC42,201179+17%

571Jackson County, GAGA99,265178+45%

572Oconee County, GAGA44,893178+25%

573Allegany County, MDMD66,8481780%

574Nash County, NCNC99,365177+10%

575Baldwin County, GAGA44,029177+2%

576Madison County, TNTN100,790176+7%

577Caldwell County, NCNC81,105176+7%

578Houston County, ALAL110,318175+14%

579Warren County, VAVA42,740175+19%

580Faulkner County, ARAR133,979175+32%

581Mercer County, PAPA107,860173−3%

582Fayette County, PAPA123,021173−8%

583Wayne County, ININ66,169172−3%

584Carbon County, PAPA65,868171+11%

585Florence County, SCSC138,504171+9%

586Anchorage, AKAK287,155171+12%

587Jefferson County, OHOH63,597171−6%

588Morgan County, ININ74,967171+3%

589Gloucester County, VAVA40,097169+6%

590Grant County, ININ66,524169−5%

591Hardin County, KYKY113,482169+12%

592Carter County, TNTN57,361168+1%

593Kankakee County, ILIL105,525168+9%

594Sumter County, FLFL157,772168+75%

595Ontario County, NYNY113,130168+8%

596Scott County, KYKY62,262167+43%

597DeKalb County, ILIL101,835167+18%

598Harrison County, WVWV64,221166+1%

599Rockingham County, NCNC94,195166+2%

600Marion County, OHOH65,1151650%

601Los Alamos County, NMNM19,407164−2%

602Leavenworth County, KSKS84,590164+11%

603Marshall County, ALAL103,537164+13%

604Dearborn County, ININ51,609164+9%

605Watauga County, NCNC54,786163+20%

606Tuscarawas County, OHOH92,373163+2%

607Ottawa County, OHOH39,481163+1%

608Ulster County, NYNY183,330162+3%

609Troup County, GAGA72,844162+14%

610Sumter County, SCSC105,067162+3%

611Midland County, MIMI83,754161+1%

612Berkeley County, SCSC274,666161+25%

613Collier County, FLFL417,131161+28%

614Forrest County, MSMS79,034161+3%

615Putnam County, WVWV56,885161+8%

616Dukes County, MAMA21,219160+10%

617Ellis County, TXTX240,867160+34%

618Williamson County, ILIL67,225158+8%

619Boyle County, KYKY31,632158+3%

620Sutter County, CACA98,787157+20%

621Merrimack County, NHNH158,078157+8%

622Story County, IAIA101,291156+12%

623Davie County, NCNC45,855156+18%

624Fresno County, CACA1,035,456156+16%

625Habersham County, GAGA50,416155+20%

626Wayne County, NYNY91,2501550%

627Warrick County, ININ66,803155+14%

628Santa Barbara County, CACA442,065155+6%

629Gordon County, GAGA61,701155+25%

630Eau Claire County, WIWI109,033155+6%

631Walker County, GAGA70,250154+13%

632Dubuque County, IAIA99,381154+5%

633Calumet County, WIWI53,982154+21%

634Tift County, GAGA42,254154+4%

635Stanly County, NCNC68,830153+4%

636Tangipahoa Parish, LALA141,346153+20%

637Greenwood County, SCSC70,379153+5%

638Ector County, TXTX173,801153+13%

639Midland County, TXTX187,855152+18%

640Sevier County, TNTN101,342152+26%

641Jefferson County, WIWI86,505150+13%

642Roane County, TNTN57,395150+4%

643Belknap County, NHNH65,147150+7%

644Aiken County, SCSC181,515150+12%

645Santa Rosa County, FLFL211,115150+29%

646Sandusky County, OHOH58,655149−1%

647Lenoir County, NCNC55,8371490%

648Mercer County, WVWV57,503149−1%

649Saline County, ARAR133,288148+28%

650Tuscaloosa County, ALAL241,368147+18%

651Limestone County, ALAL122,928147+26%

652Craven County, NCNC105,025146+13%

653Stephens County, GAGA27,854146+3%

654Kosciusko County, ININ80,892146+4%

655St. Francois County, MOMO67,809145+17%

656Ashtabula County, OHOH96,713144−1%

657Taylor County, TXTX150,077144+4%

658McLean County, ILIL171,419143+13%

659Alexander County, NCNC36,958143+11%

660Cass County, MOMO115,859143+21%

661Union County, PAPA42,313142+8%

662Garland County, ARAR99,695142+9%

663Robeson County, NCNC119,941142+9%

664Henry County, VAVA49,242142−7%

665Berkshire County, MAMA128,224142−3%

666Fond du Lac County, WIWI104,669141+4%

667Clark County, KYKY37,888141+7%

668Cherokee County, SCSC58,275141+5%

669Kennebec County, MEME129,067141+4%

670Hancock County, OHOH75,034141+5%

671Talbot County, MDMD38,238141+12%

672Montour County, PAPA17,8681400%

673Lancaster County, SCSC114,296140+25%

674Bossier Parish, LALA131,867139+19%

675Columbia County, PAPA66,193139+5%

676Robertson County, TNTN80,175139+22%

677Centre County, PAPA157,393139+13%

678Sagadahoc County, MEME37,9791390%

679Lauderdale County, ALAL97,135139+5%

680Yamhill County, OROR110,024139+17%

681Surry County, NCNC72,287138+3%

682Manitowoc County, WIWI81,710138−2%

683Lawrence County, OHOH55,7101380%

684Christian County, MOMO96,725138+43%

685Albemarle County, VAVA118,356137+25%

686Lapeer County, MIMI89,5161370%

687Craighead County, ARAR116,957136+17%

688Laurel County, KYKY63,746136+12%

689Allegan County, MIMI123,188135+5%

690Prince George County, VAVA43,936135+8%

691Butte County, CACA209,211134+8%

692Montgomery County, KYKY28,822134+17%

693Tipton County, TNTN62,287134+19%

694Boone County, ININ80,689134+23%

695Polk County, GAGA45,514134+9%

696Maui County, HIHI160,592133+21%

697Madison County, MSMS116,298133+27%

698Potter County, TXTX114,453133+7%

699Lenawee County, MIMI97,779133+1%

700Shiawassee County, MIMI67,681133−1%

701Clinton County, MIMI80,432133+16%

702Kaufman County, TXTX209,235132+45%

703St. Clair County, ALAL98,206132+29%

704Belmont County, OHOH64,4341320%

705Randall County, TXTX152,351132+16%

706Maury County, TNTN118,131132+16%

707Merced County, CACA297,260132+21%

708Woodford County, KYKY27,883132+7%

709King George County, VAVA29,646131+40%

710Carteret County, NCNC70,469131+12%

711Cape Girardeau County, MOMO83,999131+10%

712Scioto County, OHOH71,3651300%

713Raleigh County, WVWV71,7751300%

714Wagoner County, OKOK93,263130+27%

715Chisago County, MNMN59,142130+31%

716Grayson County, TXTX153,613130+9%

717Muskingum County, OHOH87,014130+2%

718Parker County, TXTX184,767129+32%

719Rice County, MNMN69,939129+13%

720Cheatham County, TNTN42,778129+9%

721Canadian County, OKOK187,189129+32%

722Butts County, GAGA27,218129+21%

723Rogers County, OKOK102,197129+23%

724Queen Anne's County, MDMD54,448129+18%

725Athens County, OHOH63,197129+4%

726Oswego County, NYNY118,5691280%

727Elmore County, ALAL91,577128+20%

728Iberia Parish, LALA66,8461270%

729Chautauqua County, NYNY124,126127−3%

730Scott County, ININ25,053127+5%

731Pickens County, GAGA37,167127+28%

732Benton County, OROR97,728127+10%

733Moore County, NCNC110,619126+18%

734Monterey County, CACA433,729126+3%

735Brunswick County, NCNC174,702126+47%

736Henry County, ININ49,137126+2%

737Ashland County, OHOH52,523126+1%

738Van Buren County, MIMI76,0711250%

739Montgomery County, NYNY50,046125+1%

740West Baton Rouge Parish, LALA28,756124+10%

741Franklin County, NCNC82,037123+28%

742Culpeper County, VAVA57,666123+36%

743Coffee County, TNTN62,419123+10%

744Liberty County, GAGA70,313123+3%

745Isabella County, MIMI64,691123+11%

746Washington County, OKOK54,037123+4%

747Darlington County, SCSC62,888123+2%

748St. Joseph County, MIMI60,968122−2%

749Genesee County, NYNY58,4161220%

750Hood County, TXTX70,501122+25%

751McMinn County, TNTN57,404122+7%

752Shelby County, OHOH48,065121+3%

753Union County, OHOH73,446121+28%

754Huron County, OHOH58,2501210%

755Snyder County, PAPA39,655121+6%

756Hoke County, NCNC56,939120+40%

757Rutherford County, NCNC65,745120+8%

758Grundy County, ILIL54,052120+33%

759Oconee County, SCSC83,775119+12%

760Lowndes County, MSMS57,346118−3%

761Greene County, VAVA21,958118+21%

762Woodbury County, IAIA106,649117−2%

763St. Croix County, WIWI98,276117+34%

764Hawkins County, TNTN59,559117+6%

765Riley County, KSKS72,598117+13%

766DeKalb County, ININ44,535116+5%

767Comanche County, OKOK122,158116+8%

768Knox County, OHOH64,002116+12%

769Cayuga County, NYNY74,365116−2%

770Noble County, ININ47,937116+3%

771Larimer County, COCO377,292115+19%

772Murray County, GAGA41,607115+9%

773Yadkin County, NCNC38,325115+6%

774Baldwin County, ALAL267,761115+30%

775Auglaize County, OHOH45,909114−1%

776Yuba County, CACA88,691114+20%

777Lauderdale County, MSMS70,317114+3%

778Mifflin County, PAPA46,1271140%

779Scotland County, NCNC33,3221130%

780Ross County, OHOH76,429113+6%

781Nassau County, FLFL106,879113+27%

782Payne County, OKOK83,889113+13%

783Fayette County, ININ23,533113−5%

784White County, GAGA29,802113+36%

785Granville County, NCNC61,421113+24%

786Dallas County, IAIA118,457112+62%

787Stearns County, MNMN164,110112+13%

788Madison County, NYNY67,120112+6%

789Lamar County, MSMS67,403112+42%

790Fulton County, NYNY52,216112+1%

791Kootenai County, IDID191,864112+27%

792Edgecombe County, NCNC49,121112+2%

793Ionia County, MIMI66,557112+4%

794Isle of Wight County, VAVA41,321112+19%

795Talladega County, ALAL81,603112+2%

796Pickaway County, OHOH62,978111+6%

797Shelby County, KYKY51,243111+26%

798Steuben County, ININ34,799111+3%

799Greene County, TNTN73,831111+9%

800Franklin County, MOMO108,090110+8%

801Kings County, CACA154,327110+18%

802Worcester County, MDMD54,459110+11%

803Orleans County, NYNY39,825110−3%

804Cullman County, ALAL94,009109+4%

805Cheshire County, NHNH78,269109+4%

806Effingham County, GAGA74,397109+39%

807Pulaski County, VAVA33,586109−1%

808Campbell County, VAVA55,629109+7%

809Crawford County, OHOH41,896109−7%

810Seneca County, NYNY32,883109+6%

811Knox County, MEME41,1171090%

812Angelina County, TXTX88,154109+8%

813Hart County, GAGA28,639108+10%

814Marshall County, WVWV29,159108−7%

815Kauai County, HIHI73,400108+15%

816Shelby County, ININ45,882108+2%

817Powhatan County, VAVA32,591108+25%

818Indiana County, PAPA82,878107−1%

819Hall County, NENE63,633107+9%

820Greenup County, KYKY35,2131070%

821Barry County, MIMI63,991107+4%

822Cass County, MIMI51,677107+2%

823Pima County, AZAZ1,074,685107+16%

824Haywood County, NCNC63,369107+9%

825Marshall County, ININ46,599106+4%

826El Dorado County, CACA192,323106+16%

827Coles County, ILIL46,607106+1%

828Henderson County, KYKY44,255106+3%

829Dawson County, GAGA35,365106+40%

830Anderson County, KYKY25,225106+12%

831Lumpkin County, GAGA36,178106+43%

832Armstrong County, PAPA63,698106−5%

833Stokes County, NCNC46,126105+6%

834Fulton County, OHOH41,853105+1%

835Pike County, PAPA62,808105+24%

836Bowie County, TXTX92,696105+4%

837Mathews County, VAVA8,529105−2%

838Marshall County, KYKY31,659104+4%

839Crawford County, ARAR62,657104+16%

840Oktibbeha County, MSMS51,896104+11%

841Bulloch County, GAGA86,949104+25%

842Nelson County, KYKY49,036104+16%

843Livingston County, NYNY61,438104+2%

844Caroline County, MDMD34,116104+11%

845Kern County, CACA927,068103+27%

846Jackson County, ILIL52,501103+1%

847Nevada County, CACA101,911103+7%

848Christian County, KYKY70,115103+2%

849Benton County, WAWA221,722103+23%

850Seneca County, OHOH54,522103−3%

851Clinton County, OHOH42,301103+4%

852Wise County, VAVA34,824103+3%

853Lawrence County, ININ45,5681030%

854Hunt County, TXTX123,336102+12%

855McDowell County, NCNC45,198102+7%

856Putnam County, FLFL77,734102+6%

857Franklin County, MAMA70,6981020%

858Haralson County, GAGA33,066102+12%

859Polk County, OROR90,037102+21%

860Adams County, ININ36,650101+2%

861San Bernardino County, CACA2,224,091101+19%

862Dickson County, TNTN58,662101+15%

863Dodge County, WIWI89,097101+3%

864Rhea County, TNTN34,844101+12%

865Fauquier County, VAVA76,503101+18%

866Person County, NCNC40,636101+11%

867LaSalle County, ILIL107,773100+2%

868Floyd County, KYKY34,401100−7%

869Holmes County, OHOH44,970100+9%

870Logan County, OHOH46,3021000%

871Lamar County, GAGA20,941100+15%

872Preble County, OHOH40,6641000%

873Madison County, GAGA32,919100+9%

874Columbia County, NYNY60,168990%

875Rapides Parish, LALA125,87799+4%

876Whitley County, ININ35,04699+8%

877Lincoln Parish, LALA48,36099+10%

878Cortland County, NYNY45,85099+2%

879Pike County, MSMS38,71299+4%

880Miami County, ININ34,48799+2%

881Tioga County, NYNY47,45399−1%

882Richmond County, NCNC42,041980%

883Unicoi County, TNTN17,85698+4%

884Victoria County, TXTX92,65698+3%

885Orange County, VAVA40,08398+29%

886Dubois County, ININ44,01698+6%

887Pottawattamie County, IAIA92,99698+6%

888St. Mary Parish, LALA46,55298+2%

889LaGrange County, ININ41,30598+6%

890Taylor County, WVWV16,28798+5%

891Washington County, VAVA53,89898+7%

892Washington County, OHOH58,38998−2%

893Muscatine County, IAIA41,85398+2%

894Jones County, MSMS66,49698+4%

895Highlands County, FLFL111,12297+13%

896Huntington County, ININ37,22497−2%

897Bradford County, FLFL28,30797+9%

898Des Moines County, IAIA38,07797−5%

899Franklin County, ILIL36,91697+1%

900Cache County, UTUT145,00097+23%

901Calloway County, KYKY39,42197+9%

902Pulaski County, KYKY67,38496+12%

903Grant County, KYKY26,18196+10%

904Dade County, GAGA16,15496+10%

905Pulaski County, MOMO54,44296+27%

906Whatcom County, WAWA236,39295+21%

907Bedford County, TNTN55,27395+20%

908St. Bernard Parish, LALA45,64295−47%

909Defiance County, OHOH38,29295−1%

910Cass County, ININ37,83695−5%

911Lycoming County, PAPA112,58794−3%

912Acadia Parish, LALA57,03294+5%

913Wood County, WIWI74,06094−1%

914Benton County, MNMN41,74494+12%

915Meade County, KYKY30,69994+9%

916Champaign County, OHOH38,82093+3%

917San Patricio County, TXTX72,05393−3%

918Laurens County, SCSC71,84893−4%

919Scott County, MOMO37,97593−3%

920Chatham County, NCNC85,11193+29%

921Madison County, OHOH46,98593+8%

922Newton County, MOMO62,26393+10%

923St. James Parish, LALA18,93893+4%

924Hancock County, MSMS46,87393+2%

925Alcorn County, MSMS34,56993+7%

926Warren County, TNTN43,71792+4%

927Taylor County, KYKY26,76392+7%

928Wilkes County, NCNC66,23392+6%

929Aransas County, TXTX26,14692+3%

930Autauga County, ALAL61,92092+25%

931Colbert County, ALAL59,47492−1%

932Jefferson County, NYNY111,54092+4%

933Tulare County, CACA485,14692+20%

934Brown County, OHOH44,39792+6%

935DeKalb County, ALAL74,08592+10%

936Spencer County, KYKY20,99891+45%

937Terrebonne Parish, LALA104,16391+7%

938Vermilion County, ILIL71,25991−3%

939San Juan County, WAWA18,57791+12%

940Bedford County, VAVA83,05990+14%

941St. Landry Parish, LALA80,76590−5%

942Lafourche Parish, LALA95,50590+7%

943Currituck County, NCNC33,15890+29%

944Jefferson County, ININ33,27990+2%

945Henderson County, TXTX88,59590+7%

946Gadsden County, FLFL44,29890+3%

947Montcalm County, MIMI69,40690+3%

948Rockingham County, VAVA89,31690+13%

949Cowlitz County, WAWA114,88590+10%

950Dale County, ALAL49,91290+2%

951Williams County, OHOH36,54989−4%

952Fluvanna County, VAVA28,97589+28%

953Branch County, MIMI45,99389−1%

954Geary County, KSKS36,33889+23%

955Johnson County, KYKY22,051890%

956Blount County, ALAL60,15689+12%

957Jefferson County, ARAR62,98789−8%

958Lonoke County, ARAR76,66489+29%

959Darke County, OHOH51,52089−1%

960Dare County, NCNC38,24589+13%

961Perry County, OHOH35,91888+6%

962Mercer County, OHOH42,737880%

963Pottawatomie County, OKOK75,10288+6%

964New Kent County, VAVA28,02288+37%

965Crawford County, PAPA81,79288−2%

966Muskogee County, OKOK66,70888+2%

967Transylvania County, NCNC34,21187+13%

968Portage County, WIWI71,94387+4%

969Gallatin County, KYKY8,84087+9%

970Tazewell County, VAVA38,63587+1%

971Isanti County, MNMN44,38687+21%

972Marathon County, WIWI139,43287+7%

973Washington County, VTVT59,65287+3%

974Hopkins County, KYKY45,12787+1%

975Walker County, TXTX83,84287+10%

976Barren County, KYKY45,64187+11%

977Polk County, NCNC20,53386+12%

978Mineral County, WVWV26,79286+4%

979Crisp County, GAGA19,23786+7%

980Morrow County, OHOH36,30586+10%

981Chowan County, NCNC14,08286+2%

982Blue Earth County, MNMN70,63486+14%

983Monroe County, ILIL34,84086+19%

984Mercer County, KYKY23,73386+2%

985Whiteside County, ILIL54,12186−4%

986Union County, TNTN21,45085+7%

987Lancaster County, VAVA10,99585−2%

988Grand Isle County, VTVT7,51185+1%

989Steele County, MNMN37,46485+9%

990McDuffie County, GAGA21,64085+3%

991Kershaw County, SCSC73,16685+17%

992Cass County, NDND201,79485+22%

993Campbell County, TNTN40,29085+2%

994Walker County, ALAL65,14085−5%

995Columbia County, FLFL74,09485+19%

996Stephenson County, ILIL43,22085−3%

997Perry County, KYKY26,55585−2%

998Franklin County, GAGA25,94885+9%

999Waller County, TXTX69,85884+32%

1000Middlesex County, VAVA10,84184+10%

SHOWING 501–1,000 OF 3,131

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