Which county has the highest average household size?

North Slope, Alaska ranks #1 with 4.47 (2010 American Community Survey).

What are the top 5 counties by average household size?

North Slope, Alaska, McKinley County, New Mexico, Sioux County, North Dakota, Bethel Census Area, Alaska, Northwest Arctic, Alaska.

How many counties are in this ranking?

3,131 counties qualify after filtering for population minimums and data availability. The ranking covers 2010 ACS 5-year data.

How is average household size measured?

Average number of people per household. Source: US Census Bureau, American Community Survey 5-year estimates (2010).

RANKING · 2010 CENSUS · 500 SHOWN OF 3,131

Largest households, US counties · 2010

US counties ranked by average household size (2023 ACS).

All statesAll rankings

SAME RANKING BYCities States Metros ZIP codes

YEAR2010 2020 2024

RANKPLACESTATEPOPAVERAGE HOUSEHOLD SIZEVS 2000

501Grand County, COCO16,4962.71–

502Holmes County, FLFL20,1192.71–

503Camden County, GAGA60,1432.71–

504Spalding County, GAGA70,7752.71–

505Turner County, GAGA8,9832.71–

506Grundy County, ILIL54,0522.71–

507Menifee County, KYKY6,4302.71–

508Morgan County, KYKY14,4152.71–

509Autauga County, ALAL61,9202.70–

510Lonoke County, ARAR76,6642.70–

511Bacon County, GAGA11,0702.70–

512Union Parish, LALA20,5612.70–

513Marion County, MSMS24,0012.70–

514Mercer County, NJNJ399,2892.70–

515Johnston County, NCNC256,4482.70–

516Rogers County, OKOK102,1972.70–

517Marion County, SCSC28,2422.70–

518Andrews County, TXTX18,9142.70–

519Garza County, TXTX4,5102.70–

520Grimes County, TXTX34,2522.70–

521Hunt County, TXTX123,3362.70–

522Irion County, TXTX1,4632.70–

523Sequatchie County, TNTN17,8612.70–

524Spencer County, KYKY20,9982.70–

525Yolo County, CACA224,4102.70–

526Garfield County, COCO63,4742.70–

527Orange County, FLFL1,528,0022.70–

528Seminole County, FLFL491,8842.70–

529Carroll County, GAGA131,0362.70–

530Mitchell County, GAGA20,4672.70–

531Lincoln County, IDID5,6032.70–

532Oneida County, IDID5,0852.70–

533Payette County, IDID27,8242.70–

534Howard County, MDMD339,1832.70–

535Suffolk, VAVA104,6992.70–

536Cross County, ARAR16,1862.69–

537Franklin County, ARAR17,7252.69–

538Mississippi County, ARAR37,8282.69–

539St. Francis County, ARAR21,8002.69–

540Sacramento County, CACA1,618,4602.69–

541Webster County, KYKY12,9292.69–

542Caldwell Parish, LALA9,3442.69–

543St. Mary Parish, LALA46,5522.69–

544Anoka County, MNMN381,6052.69–

545Wright County, MNMN157,5592.69–

546Bolivar County, MSMS28,2622.69–

547Hinds County, MSMS211,8882.69–

548Dawson County, NENE24,4522.69–

549Clark County, NVNV2,407,2262.69–

550Lincoln County, NVNV4,3202.69–

551Montgomery County, NCNC26,4032.69–

552Marshall County, OKOK16,2552.69–

553Barnwell County, SCSC20,6532.69–

554Bedford County, TNTN55,2732.69–

555San Saba County, TXTX5,7872.69–

556Hanover County, VAVA116,4232.69–

557Lincoln County, WYWY21,1802.69–

558Hendricks County, ININ193,5102.69–

559Robertson County, TNTN80,1752.69–

560Queen Anne's County, MDMD54,4482.69–

561Morris County, NJNJ524,2512.69–

562Calhoun County, GAGA5,4132.69–

563Clinch County, GAGA6,8472.69–

564Coffee County, GAGA44,4072.69–

565Lamar County, GAGA20,9412.69–

566Monroe County, GAGA32,0232.69–

567Dearborn County, ININ51,6092.69–

568Wyandotte County, KSKS170,5972.69–

569Harford County, MDMD266,4462.69–

570Forest County, PAPA6,6142.69–

571Juniata County, PAPA23,4032.69–

572Kings County, NYNY2,653,9632.68–

573Maricopa County, AZAZ4,689,5582.68–

574St. Tammany Parish, LALA279,1082.68–

575Vernon Parish, LALA45,0912.68–

576Montcalm County, MIMI69,4062.68–

577Jefferson County, MOMO233,1322.68–

578Sarpy County, NENE208,3032.68–

579Eddy County, NMNM62,5092.68–

580Geauga County, OHOH95,6762.68–

581Cherokee County, OKOK49,1962.68–

582Malheur County, OROR32,2612.68–

583Dillon County, SCSC27,4582.68–

584Marlboro County, SCSC25,4882.68–

585Hockley County, TXTX21,6002.68–

586Lee County, TXTX18,7292.68–

587McLennan County, TXTX272,0202.68–

588Newton County, TXTX11,9542.68–

589Parker County, TXTX184,7672.68–

590Hardin County, TXTX58,7232.68–

591Campbell County, WYWY48,1452.68–

592DuPage County, ILIL934,2982.68–

593Dorchester County, SCSC178,3972.68–

594St. Bernard Parish, LALA45,6422.68–

595Union County, OHOH73,4462.68–

596Tift County, GAGA42,2542.68–

597Washington County, GAGA19,4532.68–

598Harrison County, ININ40,4372.68–

599Frederick County, MDMD302,8832.68–

600Douglas County, WAWA46,4732.68–

601Wayne County, MIMI1,769,0382.67–

602Crittenden County, ARAR46,2102.67–

603Madison County, ARAR18,4102.67–

604Bracken County, KYKY8,5112.67–

605Jones County, GAGA29,1712.67–

606Robertson County, KYKY2,3252.67–

607Grant Parish, LALA22,0752.67–

608Morehouse Parish, LALA23,7052.67–

609Plymouth County, MAMA546,8292.67–

610Lapeer County, MIMI89,5162.67–

611Washington County, MNMN286,8952.67–

612Amite County, MSMS12,4872.67–

613Covington County, MSMS17,8982.67–

614Tate County, MSMS28,7252.67–

615Vance County, NCNC42,6382.67–

616Delaware County, OHOH242,0322.67–

617Putnam County, OHOH34,3802.67–

618Beckham County, OKOK22,1592.67–

619Kingfisher County, OKOK15,7952.67–

620Pawnee County, OKOK16,0292.67–

621Chesterfield County, SCSC44,7402.67–

622Georgetown County, SCSC65,9122.67–

623Sumter County, SCSC105,0672.67–

624Cheatham County, TNTN42,7782.67–

625Archer County, TXTX9,1292.67–

626Lampasas County, TXTX23,6572.67–

627Rains County, TXTX13,5422.67–

628McDowell County, WVWV16,8782.67–

629Twin Falls County, IDID97,5392.67–

630Dimmit County, TXTX8,0242.67–

631Brown County, TXTX38,7112.67–

632Livingston County, MIMI197,3152.67–

633Monmouth County, NJNJ651,0352.67–

634Poquoson, VAVA13,2922.67–

635Kent County, DEDE194,7862.67–

636Suwannee County, FLFL48,1492.67–

637Taylor County, FLFL21,2102.67–

638Jenkins County, GAGA8,8432.67–

639Stephens County, GAGA27,8542.67–

640Troup County, GAGA72,8442.67–

641Lake County, ININ504,6122.67–

642Noble County, ININ47,9372.67–

643Louisa County, IAIA10,4162.67–

644Garrard County, KYKY18,2072.67–

645Harnett County, NCNC150,1372.67–

646Roberts County, TXTX8672.67–

647Benton County, WAWA221,7222.67–

648Pierce County, GAGA20,7642.66–

649Anchorage, AKAK287,1552.66–

650Cass County, MOMO115,8592.66–

651Claiborne Parish, LALA13,3542.66–

652Jackson Parish, LALA15,8342.66–

653LaSalle Parish, LALA15,1542.66–

654Alcorn County, MSMS34,5692.66–

655Hancock County, MSMS46,8732.66–

656Gates County, NCNC10,2342.66–

657Onslow County, NCNC217,1752.66–

658Clermont County, OHOH216,9772.66–

659Lee County, SCSC15,7302.66–

660Clark County, SDSD4,0312.66–

661Lauderdale County, TNTN24,6172.66–

662Gonzales County, TXTX20,1592.66–

663Midland County, TXTX187,8552.66–

664Panola County, TXTX23,0182.66–

665Charles City County, VAVA6,6232.66–

666Fluvanna County, VAVA28,9752.66–

667Prince Edward County, VAVA22,3912.66–

668Breathitt County, KYKY12,5582.66–

669Sussex County, NJNJ148,0632.66–

670Duplin County, NCNC51,5712.66–

671Jefferson County, FLFL16,0072.66–

672Brantley County, GAGA18,9362.66–

673Dawson County, GAGA35,3652.66–

674Wilkinson County, GAGA8,6502.66–

675Fayette County, ILIL20,7902.66–

676Geary County, KSKS36,3382.66–

677Pottawatomie County, KSKS27,1862.66–

678Ohio County, KYKY23,9342.66–

679Montgomery County, MDMD1,074,5822.66–

680Treasure County, MTMT7282.66–

681DeKalb County, ALAL74,0852.65–

682Gila County, AZAZ53,8012.65–

683Yuma County, AZAZ224,4492.65–

684Cleveland County, ARAR7,2242.65–

685Crawford County, ARAR62,6572.65–

686Johnson County, ARAR26,2252.65–

687Shelby County, TNTN910,2262.65–

688Bee County, TXTX32,5152.65–

689Bullitt County, KYKY86,4542.65–

690Jefferson Davis Parish, LALA31,4712.65–

691Isanti County, MNMN44,3862.65–

692Attala County, MSMS17,1002.65–

693Greene County, MSMS13,7072.65–

694Harrison County, MSMS217,1362.65–

695Union County, MSMS28,4592.65–

696Pondera County, MTMT6,0722.65–

697Bergen County, NJNJ977,0262.65–

698Camden County, NJNJ535,7992.65–

699Rio Arriba County, NMNM39,8322.65–

700Cabarrus County, NCNC249,7252.65–

701Canadian County, OKOK187,1892.65–

702Logan County, OKOK55,4732.65–

703Pottawatomie County, OKOK75,1022.65–

704Marion County, OROR355,7772.65–

705Bucks County, PAPA647,8282.65–

706Austin County, TXTX33,6252.65–

707Jack County, TXTX9,5632.65–

708Navarro County, TXTX57,1812.65–

709King George County, VAVA29,6462.65–

710Caroline County, VAVA34,4132.65–

711Greene County, VAVA21,9582.65–

712Beauregard Parish, LALA36,6732.65–

713Rutherford County, TNTN386,3522.65–

714Houston County, GAGA178,2142.65–

715Marion County, GAGA7,6762.65–

716Morgan County, GAGA22,0952.65–

717Bannock County, IDID91,5912.65–

718Cumberland County, ILIL10,2082.65–

719Knott County, KYKY13,3212.65–

720Powell County, KYKY12,8122.65–

721Victoria County, TXTX92,6562.65–

722Clark County, WAWA532,1192.65–

723St. Clair County, ALAL98,2062.64–

724Southeast Fairbanks Census Area, AKAK7,2702.64–

725Howard County, ARAR12,3062.64–

726Phillips County, ARAR14,2552.64–

727Evangeline Parish, LALA31,9802.64–

728St. Martin Parish, LALA51,1062.64–

729Mahnomen County, MNMN5,1532.64–

730Pearl River County, MSMS59,3632.64–

731St. Charles County, MOMO426,4992.64–

732Hamilton County, NENE9,6782.64–

733Iredell County, NCNC211,7982.64–

734Pike County, OHOH27,0612.64–

735Wayne County, OHOH116,7582.64–

736Garvin County, OKOK26,3772.64–

737Montgomery County, TNTN249,9352.64–

738Angelina County, TXTX88,1542.64–

739Lunenburg County, VAVA12,0582.64–

740Jefferson County, WVWV63,1022.64–

741Hot Spring County, ARAR33,4512.64–

742Miami County, KSKS36,2402.64–

743Laurel County, KYKY63,7462.64–

744Morgan County, COCO30,3062.64–

745Jefferson County, GAGA15,0112.64–

746Laurens County, GAGA51,0412.64–

747Toombs County, GAGA27,5452.64–

748Hancock County, ININ90,9692.64–

749Ripley County, ININ29,4342.64–

750Madison County, IAIA17,2702.64–

751Todd County, KYKY12,9722.64–

752Westchester County, NYNY1,015,7432.64–

753Galveston County, TXTX372,2072.64–

754Cook County, ILIL5,194,6252.63–

755Fairbanks North Star, AKAK93,9722.63–

756Benton County, ARAR332,5542.63–

757Jefferson County, ARAR62,9872.63–

758Clay County, WVWV7,5382.63–

759Santa Cruz County, CACA258,8522.63–

760Santa Rosa County, FLFL211,1152.63–

761Wayne County, GAGA32,4812.63–

762Whitley County, KYKY37,2972.63–

763Ionia County, MIMI66,5572.63–

764Quitman County, MSMS5,3642.63–

765Washington County, MOMO23,8102.63–

766Meagher County, MTMT2,1372.63–

767Burlington County, NJNJ481,4392.63–

768Curry County, NMNM46,6552.63–

769Richmond County, NCNC42,0412.63–

770Sampson County, NCNC61,5042.63–

771Adams County, OHOH27,8652.63–

772Fairfield County, OHOH169,7522.63–

773Medina County, OHOH185,0252.63–

774Morrow County, OHOH36,3052.63–

775Perry County, OHOH35,9182.63–

776Shelby County, OHOH48,0652.63–

777Haskell County, OKOK11,7872.63–

778Seminole County, OKOK23,4412.63–

779Umatilla County, OROR81,1192.63–

780Allendale County, SCSC7,3552.63–

781Chester County, SCSC33,0012.63–

782Matagorda County, TXTX36,4632.63–

783Shackelford County, TXTX3,1972.63–

784Wyoming County, WVWV19,8012.63–

785Newton County, MOMO62,2632.63–

786Wilson County, TNTN175,0332.63–

787Chester County, PAPA557,1162.63–

788Pickaway County, OHOH62,9782.63–

789Broomfield County, COCO79,1742.63–

790Collier County, FLFL417,1312.63–

791Gadsden County, FLFL44,2982.63–

792Gilchrist County, FLFL20,4882.63–

793Floyd County, GAGA101,3782.63–

794Haralson County, GAGA33,0662.63–

795Kankakee County, ILIL105,5252.63–

796Marshall County, ININ46,5992.63–

797Miami County, ININ34,4872.63–

798Pulaski County, ININ12,4632.63–

799Butler County, KSKS69,4842.63–

800Leavenworth County, KSKS84,5902.63–

801Perry County, KYKY26,5552.63–

802Chaves County, NMNM63,3642.63–

803Stanly County, NCNC68,8302.63–

804Palo Pinto County, TXTX30,7912.63–

805Norfolk, VAVA231,0132.63–

806Mason County, WAWA71,1652.63–

807Marshall County, ALAL103,5372.62–

808Lee County, ARAR8,0292.62–

809Iberville Parish, LALA29,5792.62–

810Madison Parish, LALA8,8442.62–

811Ouachita Parish, LALA158,5422.62–

812Allegan County, MIMI123,1882.62–

813Ogemaw County, MIMI21,1212.62–

814Benton County, MSMS7,5022.62–

815Pike County, MSMS38,7122.62–

816Washington County, NCNC10,6382.62–

817Champaign County, OHOH38,8202.62–

818Grady County, OKOK59,1282.62–

819Edgefield County, SCSC29,8082.62–

820Roberts County, SDSD10,2552.62–

821Chester County, TNTN17,9942.62–

822Hardeman County, TNTN25,2742.62–

823Lewis County, TNTN13,4872.62–

824Camp County, TXTX13,3802.62–

825Kenedy County, TXTX3192.62–

826Live Oak County, TXTX11,9292.62–

827Smith County, TXTX252,5492.62–

828Swisher County, TXTX6,7032.62–

829King William County, VAVA19,6172.62–

830Columbia County, FLFL74,0942.62–

831Cobb County, GAGA793,3452.62–

832Ben Hill County, GAGA17,0992.62–

833Elbert County, GAGA20,0722.62–

834Lowndes County, GAGA122,8672.62–

835Warrick County, ININ66,8032.62–

836Hancock County, KYKY9,0502.62–

837Livingston County, KYKY8,8632.62–

838Loup County, NENE5702.62–

839Grundy County, TNTN14,1162.62–

840Duchesne County, UTUT20,8562.62–

841Chelan County, WAWA81,9412.62–

842Choctaw County, ALAL11,9042.61–

843Mobile County, ALAL411,6582.61–

844Tuscaloosa County, ALAL241,3682.61–

845Bath County, KYKY13,1762.61–

846Yukon-Koyukuk Census Area, AKAK5,0282.61–

847Mono County, CACA12,5052.61–

848Napa County, CACA132,9492.61–

849Breckinridge County, KYKY21,5032.61–

850Concordia Parish, LALA17,8362.61–

851Jefferson Parish, LALA431,3982.61–

852Richland Parish, LALA19,5822.61–

853Branch County, MIMI45,9932.61–

854Osceola County, MIMI23,5162.61–

855Chisago County, MNMN59,1422.61–

856Adams County, MSMS30,0612.61–

857Madison County, MSMS116,2982.61–

858Mississippi County, MOMO12,0032.61–

859Cass County, NENE27,6572.61–

860Hunterdon County, NJNJ131,7812.61–

861Torrance County, NMNM16,1002.61–

862Warren County, NCNC18,8982.61–

863Lincoln County, OKOK35,2782.61–

864Tillman County, OKOK6,7802.61–

865Hood River County, OROR23,7202.61–

866Clarendon County, SCSC31,0432.61–

867Darlington County, SCSC62,8882.61–

868Macon County, TNTN27,6632.61–

869Moore County, TNTN6,9202.61–

870Polk County, TNTN18,5922.61–

871Callahan County, TXTX14,4912.61–

872Cottle County, TXTX1,2242.61–

873Hartley County, TXTX4,9042.61–

874Robertson County, TXTX17,8392.61–

875Frederick County, VAVA99,9552.61–

876York County, VAVA71,3742.61–

877Calumet County, WIWI53,9822.61–

878Clark County, WIWI35,0522.61–

879Ottawa County, KSKS5,7442.61–

880East Carroll Parish, LALA6,7602.61–

881Washington County, NENE21,3022.61–

882Grady County, GAGA26,5902.61–

883Wilkes County, GAGA9,5402.61–

884Douglas County, ILIL19,8802.61–

885Woodford County, ILIL38,1112.61–

886Wichita County, KSKS2,0312.61–

887Casey County, KYKY16,2052.61–

888Estill County, KYKY13,9622.61–

889Shelby County, KYKY51,2432.61–

890Washington Parish, LALA44,9372.61–

891Lee County, NCNC70,2582.61–

892Van Zandt County, TXTX66,1302.61–

893Dallas County, ALAL35,1402.60–

894Walker County, ALAL65,1402.60–

895Christian County, MOMO96,7252.60–

896Calhoun County, ARAR4,6322.60–

897Perry County, ARAR10,3092.60–

898Sumner County, TNTN215,5382.60–

899El Dorado County, CACA192,3232.60–

900Clarke County, IAIA9,5742.60–

901Trimble County, KYKY8,7012.60–

902Calcasieu Parish, LALA208,4662.60–

903Rapides Parish, LALA125,8772.60–

904Barry County, MIMI63,9912.60–

905Clinton County, MIMI80,4322.60–

906Hillsdale County, MIMI45,7382.60–

907Monroe County, MIMI156,0042.60–

908Jones County, MSMS66,4962.60–

909Newton County, MSMS20,9602.60–

910Chouteau County, MTMT5,8652.60–

911Pasquotank County, NCNC42,2012.60–

912Mercer County, OHOH42,7372.60–

913Caddo County, OKOK26,1302.60–

914Carter County, OKOK48,9102.60–

915Washington County, OROR611,7082.60–

916Cherokee County, SCSC58,2752.60–

917Faulk County, SDSD2,1782.60–

918Lincoln County, SDSD77,1452.60–

919Marshall County, SDSD4,4262.60–

920Lawrence County, TNTN46,9142.60–

921Warren County, TNTN43,7172.60–

922Armstrong County, TXTX1,8432.60–

923Bowie County, TXTX92,6962.60–

924Brazos County, TXTX249,0882.60–

925Calhoun County, TXTX19,5992.60–

926Carson County, TXTX5,8052.60–

927Comanche County, TXTX14,4322.60–

928Gregg County, TXTX126,0952.60–

929Hopkins County, TXTX39,0632.60–

930McCulloch County, TXTX7,4722.60–

931Orange County, TXTX86,2662.60–

932New Kent County, VAVA28,0222.60–

933Pemiscot County, MOMO14,4652.60–

934Butler County, OHOH400,1282.60–

935Hutchinson County, TXTX19,6332.60–

936DeKalb County, ININ44,5352.60–

937Putnam County, WVWV56,8852.60–

938Terrell County, GAGA8,6562.60–

939Monroe County, ILIL34,8402.60–

940Virginia Beach, VAVA453,7372.60–

941Tehama County, CACA64,6652.60–

942New Castle County, DEDE588,0262.60–

943Calhoun County, FLFL13,2892.60–

944Washington County, FLFL26,6952.60–

945Clay County, GAGA2,8152.60–

946Emanuel County, GAGA23,1472.60–

947Evans County, GAGA11,0282.60–

948Cass County, ILIL12,4632.60–

949Clay County, ININ26,4102.60–

950Jasper County, ININ33,8942.60–

951Jessamine County, KYKY57,1472.60–

952McCreary County, KYKY17,1242.60–

953Snohomish County, WAWA870,6562.60–

954Chilton County, ALAL47,7082.59–

955Randolph County, ALAL23,1632.59–

956Pope County, ARAR64,9762.59–

957Van Buren County, MIMI76,0712.59–

958Dakota County, MNMN457,7102.59–

959Clay County, MSMS18,2382.59–

960Lawrence County, MSMS11,8192.59–

961Rankin County, MSMS162,1812.59–

962Simpson County, MSMS25,4982.59–

963Tunica County, MSMS8,8192.59–

964Franklin County, MOMO108,0902.59–

965Moniteau County, MOMO15,4282.59–

966Dutchess County, NYNY300,7082.59–

967Caldwell County, NCNC81,1052.59–

968Gaston County, NCNC246,5582.59–

969Northampton County, NCNC16,4912.59–

970Fulton County, OHOH41,8532.59–

971Highland County, OHOH43,8232.59–

972Washita County, OKOK10,8842.59–

973Delaware County, PAPA580,9372.59–

974Lancaster County, PAPA563,1592.59–

975Comal County, TXTX209,1662.59–

976Cooke County, TXTX44,4612.59–

977Hill County, TXTX39,5032.59–

978Rusk County, TXTX54,8542.59–

979Buchanan County, VAVA18,4922.59–

980Washington County, ININ28,3832.59–

981Shelby County, ALAL238,5522.59–

982Vermilion Parish, LALA57,6712.59–

983Hudson County, NJNJ735,0332.59–

984Conejos County, COCO7,5292.59–

985Catoosa County, GAGA69,6282.59–

986Cook County, GAGA18,2322.59–

987Greene County, GAGA21,3672.59–

988Treutlen County, GAGA6,4662.59–

989Newton County, ININ14,1882.59–

990Porter County, ININ176,0492.59–

991Rush County, ININ16,7672.59–

992Henry County, IAIA19,3492.59–

993Dickinson County, KSKS18,6372.59–

994Sumner County, KSKS22,3122.59–

995Christian County, KYKY70,1152.59–

996Anne Arundel County, MDMD603,3802.59–

997Humboldt County, NVNV17,2672.59–

998Summit County, UTUT43,1412.59–

999Butler County, ALAL18,1002.58–

1000Washington County, ALAL14,8222.58–

SHOWING 501–1,000 OF 3,131

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UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES