Which county has the lowest median year built?

Kings County, New York ranks #1 with 0 (2020 American Community Survey).

What are the top 5 counties by median year built?

Kings County, New York, St. Louis, Missouri, Sioux County, Nebraska, Kalawao County, Hawaii, Lincoln County, Kansas.

How many counties are in this ranking?

3,134 counties qualify after filtering for population minimums and data availability. The ranking covers 2020 ACS 5-year data.

How is median year built measured?

Median year that housing structures were built. Source: US Census Bureau, American Community Survey 5-year estimates (2020).

RANKING · 2020 CENSUS · 500 SHOWN OF 3,134

Oldest housing stock, US counties · 2020

US counties ranked by oldest median year of construction (2023 ACS).

Flip the list · Newest housing stock, US counties →

All statesAll rankings

SAME RANKING BYCities States Metros ZIP codes

YEAR1990 2010 2020 2024

RANKPLACESTATEPOPMEDIAN YEAR BUILTVS 2000

501Polk County, NENE5,2701964–

502Salem County, NJNJ66,2801964–

503Summit County, OHOH538,3761964–

504Crosby County, TXTX4,8521964–

505Baca County, COCO3,3471964–

506Cass County, ILIL12,4631964–

507Fayette County, ILIL20,7901964–

508Peoria County, ILIL178,5531964–

509Delaware County, ININ113,1061964–

510Grant County, ININ66,5241964–

511Knox County, ININ35,6521964–

512Madison County, ININ135,0881964–

513Clay County, IAIA16,2021964–

514Henry County, IAIA19,3491964–

515Doniphan County, KSKS7,5941964–

516Scott County, KSKS4,8151964–

517Sumner County, KSKS22,3121964–

518Treasure County, MTMT7281964–

519Valley County, MTMT7,3851964–

520Worcester County, MAMA888,5021965–

521Jackson County, MIMI159,5521965–

522Arthur County, NENE3961965–

523Brown County, NENE2,8261965–

524Butler County, NENE8,5071965–

525Kearney County, NENE6,7901965–

526Rock County, NENE1,2591965–

527Columbia County, NYNY60,1681965–

528Essex County, NYNY36,4381965–

529Wells County, NDND3,7291965–

530Erie County, OHOH73,2961965–

531Stark County, OHOH373,7711965–

532Williams County, OHOH36,5491965–

533Crawford County, PAPA81,7921965–

534Kent County, RIRI173,4951965–

535Beadle County, SDSD19,6241965–

536Edmunds County, SDSD4,0221965–

537Hyde County, SDSD1,1911965–

538Cochran County, TXTX2,5461965–

539Cottle County, TXTX1,2241965–

540Hale County, TXTX31,8191965–

541Reeves County, TXTX12,1381965–

542Kanawha County, WVWV172,3811965–

543Wetzel County, WVWV13,7341965–

544Castro County, TXTX7,2951965–

545Liberty County, MTMT1,9571965–

546Sullivan County, MOMO5,7381965–

547Carroll County, ININ20,6551965–

548San Mateo County, CACA743,5681965–

549Adams County, ILIL64,2671965–

550Macoupin County, ILIL43,7481965–

551Morgan County, ILIL32,5151965–

552Wabash County, ILIL10,9071965–

553Lake County, ININ504,6121965–

554Benton County, IAIA26,0041965–

555Carroll County, IAIA20,3031965–

556Lyon County, IAIA12,3541965–

557Cherry County, NENE5,5611965–

558Coleman County, TXTX7,9151965–

559Dawson County, TXTX11,7761965–

560Howard County, TXTX30,5041965–

561Staunton, VAVA26,8011965–

562Dickey County, NDND4,8951966–

563Marin County, CACA253,6941966–

564Saline County, KSKS53,3771966–

565Berrien County, MIMI152,4441966–

566Saginaw County, MIMI187,6881966–

567Wilkin County, MNMN6,2881966–

568Hooker County, NENE6861966–

569Howard County, NENE6,5381966–

570Otoe County, NENE16,5311966–

571Wheeler County, NENE7891966–

572Coos County, NHNH31,3431966–

573Camden County, NJNJ535,7991966–

574Quay County, NMNM8,4541966–

575Adams County, NDND2,2751966–

576Barnes County, NDND10,5731966–

577Sheridan County, NDND1,2961966–

578Coshocton County, OHOH37,1881966–

579Defiance County, OHOH38,2921966–

580Hardin County, OHOH30,0721966–

581Paulding County, OHOH18,7271966–

582Cotton County, OKOK5,4321966–

583Charles Mix County, SDSD9,3031966–

584Deuel County, SDSD4,4081966–

585McCook County, SDSD5,9641966–

586Walworth County, SDSD5,2171966–

587Deaf Smith County, TXTX18,6261966–

588Hansford County, TXTX4,9441966–

589Oldham County, TXTX1,7831966–

590Stonewall County, TXTX1,1861966–

591Throckmorton County, TXTX1,5541966–

592Tyler County, WVWV7,8811966–

593Wabaunsee County, KSKS7,0181966–

594Box Butte County, NENE10,4941966–

595Portsmouth, VAVA96,7771966–

596Lincoln County, COCO5,6451966–

597Phillips County, COCO4,4201966–

598Brown County, ILIL6,4011966–

599Clark County, ILIL15,1141966–

600Edwards County, ILIL5,8981966–

601Franklin County, ILIL36,9161966–

602Fulton County, ININ20,0911966–

603Howard County, ININ83,9041966–

604Pulaski County, ININ12,4631966–

605Black Hawk County, IAIA131,5321966–

606Bremer County, IAIA25,2961966–

607Jasper County, IAIA38,1531966–

608Jones County, IAIA21,2531966–

609Lucas County, IAIA8,8471966–

610Hamilton County, KSKS2,5001966–

611Stevens County, KSKS4,9841966–

612Ulster County, NYNY183,3301966–

613Wayne County, NYNY91,2501966–

614Greer County, OKOK5,3731966–

615Androscoggin County, MEME116,4871967–

616Hampshire County, MAMA164,0651967–

617Alpena County, MIMI28,8531967–

618Holt County, MOMO4,2001967–

619Howard County, MOMO10,1801967–

620Chouteau County, MTMT5,8651967–

621Phillips County, MTMT4,2031967–

622Scotts Bluff County, NENE35,5861967–

623Schuyler County, NYNY16,9241967–

624Tioga County, NYNY47,4531967–

625LaMoure County, NDND4,1351967–

626Pembina County, NDND6,5681967–

627Walsh County, NDND10,1791967–

628Ashland County, OHOH52,5231967–

629Huron County, OHOH58,2501967–

630Scioto County, OHOH71,3651967–

631Clarion County, PAPA36,6801967–

632Clearfield County, PAPA78,1001967–

633Columbia County, PAPA66,1931967–

634Jones County, TXTX20,8611967–

635Lynn County, TXTX6,0171967–

636Franklin, VAVA8,4781967–

637Scurry County, TXTX16,1621967–

638St. Joseph County, ININ272,8611967–

639Grundy County, MOMO9,7441967–

640Racine County, WIWI198,9191967–

641Decatur County, IAIA7,6551967–

642Bristol, VAVA16,4181967–

643Pottawattamie County, IAIA92,9961967–

644Calhoun County, ILIL4,3001967–

645Hardin County, ILIL3,5881967–

646McDonough County, ILIL25,9161967–

647Tazewell County, ILIL130,0491967–

648LaPorte County, ININ111,2941967–

649Montgomery County, ININ38,9541967–

650Vanderburgh County, ININ181,9951967–

651Warren County, ININ8,4741967–

652Delaware County, IAIA17,6741967–

653Harvey County, KSKS33,5801967–

654Thomas County, KSKS7,7251967–

655Wayne County, NENE10,0201967–

656Chariton County, MOMO7,3771968–

657Alameda County, CACA1,636,6301968–

658Campbell County, KYKY95,4411968–

659Delta County, MIMI36,5821968–

660Dickinson County, MIMI25,8271968–

661Genesee County, MIMI401,0931968–

662Huron County, MIMI30,5301968–

663Marquette County, MIMI68,0641968–

664Muskegon County, MIMI177,9011968–

665Stevens County, MNMN9,7471968–

666Livingston County, MOMO14,7081968–

667Golden Valley County, MTMT8441968–

668Dawson County, NENE24,4521968–

669Phelps County, NENE8,9941968–

670Cumberland County, NJNJ157,1481968–

671Hamilton County, NYNY5,0061968–

672Putnam County, NYNY99,0281968–

673Kidder County, NDND2,3931968–

674Pierce County, NDND3,8381968–

675Champaign County, OHOH38,8201968–

676Muskingum County, OHOH87,0141968–

677Berks County, PAPA440,0721968–

678Harding County, SDSD1,3311968–

679Jones County, SDSD9131968–

680Borden County, TXTX5671968–

681Childress County, TXTX6,6431968–

682McCulloch County, TXTX7,4721968–

683Terry County, TXTX11,7201968–

684Alleghany County, VAVA14,5461968–

685Fairfax, VAVA26,7721968–

686Cabell County, WVWV91,1831968–

687Washakie County, WYWY7,5971968–

688Judith Basin County, MTMT2,1621968–

689Merrick County, NENE7,9051968–

690Dauphin County, PAPA293,3511968–

691Northampton County, PAPA324,4111968–

692St. Louis County, MOMO990,9111968–

693Lewis County, IDID3,7041968–

694Alexander County, ILIL4,5701968–

695Pulaski County, ILIL4,8201968–

696Shelby County, ILIL20,5761968–

697Shelby County, ININ45,8821968–

698Guthrie County, IAIA10,7821968–

699Iowa County, IAIA16,5041968–

700Plymouth County, IAIA25,6971968–

701Allen County, KSKS12,3021968–

702Lehigh County, PAPA384,3831968–

703Petersburg, VAVA33,7341968–

704Waynesboro, VAVA23,9511968–

705Dodge County, WIWI89,0971968–

706Multnomah County, OROR795,3911969–

707Rock County, WIWI166,4721969–

708Robertson County, KYKY2,3251969–

709Hillsdale County, MIMI45,7381969–

710Lenawee County, MIMI97,7791969–

711Shiawassee County, MIMI67,6811969–

712Lake County, MNMN10,7461969–

713Red Lake County, MNMN3,9401969–

714Waseca County, MNMN18,6881969–

715Caldwell County, MOMO9,0121969–

716Jackson County, MOMO732,9941969–

717Scotland County, MOMO4,7961969–

718Cascade County, MTMT85,0291969–

719Dutchess County, NYNY300,7081969–

720Greene County, NYNY47,2381969–

721Livingston County, NYNY61,4381969–

722Suffolk County, NYNY1,546,0901969–

723Bowman County, NDND2,7621969–

724Steele County, NDND1,7971969–

725Fulton County, OHOH41,8531969–

726Harrison County, OHOH14,0701969–

727Miami County, OHOH112,6341969–

728Monroe County, OHOH12,9941969–

729Preble County, OHOH40,6641969–

730Tuscarawas County, OHOH92,3731969–

731Roger Mills County, OKOK3,2591969–

732Bradford County, PAPA59,6001969–

733Clinton County, PAPA37,8701969–

734Potter County, PAPA15,8971969–

735Sullivan County, PAPA5,8561969–

736Grant County, SDSD7,5341969–

737Bailey County, TXTX6,9631969–

738Edwards County, TXTX1,3701969–

739King County, TXTX1921969–

740Bennington County, VTVT36,6301969–

741Colonial Heights, VAVA18,7381969–

742Emporia, VAVA5,4471969–

743Wood County, WVWV82,3851969–

744Kewaunee County, WIWI20,7581969–

745Renville County, NDND2,3311969–

746Hutchinson County, TXTX19,6331969–

747Richland County, WIWI17,0361969–

748Eastland County, TXTX18,1431969–

749Saline County, ILIL22,7721969–

750Poweshiek County, IAIA18,3681969–

751Douglas County, ILIL19,8801969–

752Madison County, ILIL263,1101969–

753Newton County, ININ14,1881969–

754Vigo County, ININ106,5121969–

755Buchanan County, IAIA20,8831969–

756Jackson County, IAIA19,2881969–

757Jefferson County, IAIA15,2911969–

758Lyon County, KSKS32,2661969–

759Morton County, KSKS2,4701969–

760Sherman County, KSKS5,7631969–

761Jefferson County, KYKY795,2221969–

762Montgomery County, PAPA877,6431969–

763Buena Vista, VAVA6,6721969–

764Lynchburg, VAVA81,3471969–

765Salem, VAVA25,8161969–

766Winchester, VAVA28,2721969–

767Green Lake County, WIWI19,3051969–

768Boyd County, KYKY47,7511970–

769Clark County, MOMO6,4751970–

770Plymouth County, MAMA546,8291970–

771Branch County, MIMI45,9931970–

772Ingham County, MIMI289,7091970–

773Menominee County, MIMI22,9411970–

774Presque Isle County, MIMI13,1281970–

775St. Joseph County, MIMI60,9681970–

776Tuscola County, MIMI52,6801970–

777Grant County, MNMN6,0851970–

778Houston County, MNMN18,4001970–

779Lyon County, MNMN25,6841970–

780Marshall County, MNMN8,7981970–

781Polk County, MNMN30,5451970–

782Adams County, MSMS30,0611970–

783Audrain County, MOMO24,5281970–

784Dunklin County, MOMO26,8551970–

785Harrison County, MOMO8,2811970–

786Macon County, MOMO15,1901970–

787Shelby County, MOMO5,8701970–

788Dawson County, MTMT8,6921970–

789Fallon County, MTMT2,9591970–

790Hill County, MTMT16,1671970–

791Hamilton County, NENE9,6781970–

792Harlan County, NENE3,0001970–

793Holt County, NENE10,0671970–

794Keith County, NENE8,1001970–

795Lincoln County, NENE33,3031970–

796Logan County, NENE6691970–

797Jefferson County, NYNY111,5401970–

798Rockland County, NYNY357,3971970–

799Sullivan County, NYNY80,5861970–

800Benson County, NDND5,7591970–

801Auglaize County, OHOH45,9091970–

802Fayette County, OHOH28,5521970–

803Putnam County, OHOH34,3801970–

804Dewey County, OKOK4,2071970–

805Baker County, OROR16,6581970–

806Indiana County, PAPA82,8781970–

807Marshall County, SDSD4,4261970–

808Tripp County, SDSD5,7081970–

809Mason County, TXTX3,9901970–

810Menard County, TXTX1,9561970–

811San Saba County, TXTX5,7871970–

812Shackelford County, TXTX3,1971970–

813Rutland County, VTVT59,6531970–

814Highland County, VAVA2,3181970–

815Charlottesville, VAVA44,3881970–

816Ashland County, WIWI16,2031970–

817Clark County, WIWI35,0521970–

818Sheboygan County, WIWI118,0471970–

819Big Horn County, WYWY12,0241970–

820Doddridge County, WVWV7,6341970–

821Coles County, ILIL46,6071970–

822Donley County, TXTX3,2131970–

823Douglas County, WIWI43,9901970–

824Falls Church, VAVA15,1591970–

825Morris County, NJNJ524,2511970–

826Denver County, COCO740,6131970–

827Prowers County, COCO11,8841970–

828Oneida County, IDID5,0851970–

829Cumberland County, ILIL10,2081970–

830Hamilton County, ILIL7,8591970–

831Moultrie County, ILIL14,3711970–

832Ogle County, ILIL51,3991970–

833Winnebago County, ILIL283,6741970–

834Adams County, ININ36,6501970–

835Union County, ININ6,8631970–

836Wells County, ININ28,8831970–

837Davis County, IAIA9,2301970–

838Dubuque County, IAIA99,3811970–

839Van Buren County, IAIA7,1311970–

840Ford County, KSKS33,9931970–

841Kiowa County, KSKS2,4321970–

842Shawnee County, KSKS178,6071970–

843Stanton County, KSKS1,9861970–

844Gosper County, NENE1,8031970–

845Lebanon County, PAPA146,3801970–

846Wichita County, TXTX129,5551970–

847Galax, VAVA6,6701970–

848Hopewell, VAVA23,2611970–

849Buffalo County, WIWI13,3181970–

850Clearwater County, IDID9,1181971–

851Sullivan County, ININ20,8311971–

852Aroostook County, MEME66,6091971–

853Knox County, MEME41,1171971–

854Baraga County, MIMI8,1691971–

855Iosco County, MIMI25,2661971–

856Manistee County, MIMI25,6561971–

857Sanilac County, MIMI40,0831971–

858Koochiching County, MNMN11,5871971–

859Pennington County, MNMN13,6861971–

860Winona County, MNMN50,5231971–

861Gentry County, MOMO6,3841971–

862Marion County, MOMO28,5251971–

863Mercer County, MOMO3,4041971–

864Saline County, MOMO23,2651971–

865Blaine County, MTMT6,8601971–

866Roosevelt County, MTMT10,2421971–

867Platte County, NENE35,6491971–

868Saunders County, NENE23,7021971–

869Seward County, NENE18,0321971–

870Stanton County, NENE5,7441971–

871Cheshire County, NHNH78,2691971–

872Warren County, NJNJ112,9531971–

873Delaware County, NYNY44,3051971–

874Lewis County, NYNY26,4791971–

875Oswego County, NYNY118,5691971–

876Ramsey County, NDND11,5301971–

877Stutsman County, NDND21,4141971–

878Guernsey County, OHOH38,3791971–

879Hancock County, OHOH75,0341971–

880Lorain County, OHOH323,2191971–

881Blaine County, OKOK8,5151971–

882Garfield County, OKOK61,7791971–

883Jefferson County, OKOK5,4311971–

884Washington County, OKOK54,0371971–

885Bedford County, PAPA47,4801971–

886Davison County, SDSD20,0691971–

887Potter County, SDSD2,3771971–

888Sully County, SDSD1,4791971–

889Refugio County, TXTX6,6571971–

890Stephens County, TXTX9,3801971–

891Young County, TXTX18,1541971–

892Henderson County, ILIL5,9841971–

893Pemiscot County, MOMO14,4651971–

894Washington County, OHOH58,3891971–

895Logan County, OHOH46,3021971–

896Lake County, OHOH232,2171971–

897Hennepin County, MNMN1,284,7841971–

898Marion County, ININ992,1961971–

899Las Animas County, COCO14,3911971–

900Turner County, GAGA8,9831971–

901Butte County, IDID2,7831971–

902Kankakee County, ILIL105,5251971–

903Randolph County, ILIL29,9211971–

904Richland County, ILIL15,2191971–

905Schuyler County, ILIL6,6571971–

906Clay County, ININ26,4101971–

907Perry County, ININ19,3891971–

908White County, ININ25,1641971–

909Allamakee County, IAIA14,2381971–

910Ringgold County, IAIA4,6421971–

911Scott County, IAIA175,2591971–

912Cherokee County, KSKS19,1051971–

913Haskell County, KSKS3,5991971–

914Nemaha County, KSKS10,0541971–

915Seward County, KSKS21,0731971–

916Wichita County, KSKS2,0311971–

917Chase County, NENE3,7181971–

918Tioga County, PAPA40,5021971–

919Ward County, TXTX11,1251971–

920Giles County, VAVA16,5641971–

921Fond du Lac County, WIWI104,6691971–

922Hot Springs County, WYWY4,6001971–

923Cavalier County, NDND3,4971972–

924Foster County, NDND3,2121972–

925Humboldt County, CACA131,6471972–

926Inyo County, CACA18,1581972–

927Bracken County, KYKY8,5111972–

928Clarke County, IAIA9,5741972–

929Crawford County, KSKS39,0081972–

930Caldwell County, KYKY12,6091972–

931Cass County, MIMI51,6771972–

932Ionia County, MIMI66,5571972–

933Pope County, MNMN11,4201972–

934Steele County, MNMN37,4641972–

935Coahoma County, MSMS19,8491972–

936Quitman County, MSMS5,3641972–

937Washington County, MSMS40,4461972–

938Pettis County, MOMO44,2541972–

939Garfield County, MTMT1,1481972–

940Colfax County, NENE10,9341972–

941Dakota County, NENE21,6871972–

942Orange County, NYNY417,6691972–

943Richmond County, NYNY501,2901972–

944Bottineau County, NDND6,2841972–

945Richland County, NDND16,7311972–

946Mercer County, OHOH42,7371972–

947Ottawa County, OHOH39,4811972–

948Garvin County, OKOK26,3771972–

949Hughes County, OKOK13,4551972–

950Jackson County, OKOK24,7641972–

951Major County, OKOK7,5361972–

952Noble County, OKOK10,8991972–

953Texas County, OKOK20,3221972–

954Coos County, OROR63,9921972–

955Wasco County, OROR26,3101972–

956Carbon County, PAPA65,8681972–

957Huntingdon County, PAPA43,0011972–

958Bennett County, SDSD3,3071972–

959Corson County, SDSD3,7811972–

960Fall River County, SDSD7,4671972–

961Lyman County, SDSD3,6941972–

962Culberson County, TXTX2,2671972–

963Lipscomb County, TXTX2,9551972–

964Parmer County, TXTX9,6781972–

965Caledonia County, VTVT30,4141972–

966Washington County, VTVT59,6521972–

967Bath County, VAVA4,0761972–

968Page County, VAVA23,7621972–

969Pulaski County, VAVA33,5861972–

970Alexandria, VAVA160,6621972–

971Webster County, WVWV7,7601972–

972Langlade County, WIWI19,5341972–

973Pepin County, WIWI7,5131972–

974Wood County, WIWI74,0601972–

975Weston County, WYWY6,8401972–

976Sangamon County, ILIL194,1701972–

977Sussex County, NJNJ148,0631972–

978Fayette County, WVWV38,1651972–

979Randolph County, MOMO24,5131972–

980Middlesex County, NJNJ883,3351972–

981Osage County, KSKS15,6931972–

982Cheyenne County, COCO1,7131972–

983Kit Carson County, COCO7,0691972–

984Minidoka County, IDID22,9111972–

985Nez Perce County, IDID42,9051972–

986Clay County, ILIL12,7931972–

987Gallatin County, ILIL4,6161972–

988Marion County, ILIL36,3821972–

989Perry County, ILIL20,1601972–

990Piatt County, ILIL16,7911972–

991Washington County, ILIL13,5641972–

992Wayne County, ILIL15,8821972–

993Daviess County, ININ34,2091972–

994Pike County, ININ12,0031972–

995Starke County, ININ23,4251972–

996Mills County, IAIA14,7931972–

997Sioux County, IAIA36,7741972–

998Coffey County, KSKS8,4671972–

999Franklin County, KSKS26,2991972–

1000Gray County, KSKS5,6521972–

SHOWING 501–1,000 OF 3,134

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