Which county has the lowest median year built?

St. Louis, Missouri ranks #1 with 1938 (2024 American Community Survey).

What are the top 5 counties by median year built?

St. Louis, Missouri, Loving County, Texas, Kalawao County, Hawaii, Lincoln County, Kansas, Franklin County, Nebraska.

How many counties are in this ranking?

3,144 counties qualify after filtering for population minimums and data availability. The ranking covers 2024 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 (2024).

RANKING · 2024 ACS · 500 SHOWN OF 3,144

Oldest housing stock, US counties

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

501Fergus County, MTMT11,8251966–

502Powell County, MTMT7,1571966–

503Holt County, NENE10,0671966–

504Quay County, NMNM8,4541966–

505Columbia County, NYNY60,1681966–

506Barnes County, NDND10,5731966–

507McHenry County, NDND5,1301966–

508Allen County, OHOH100,8811966–

509Montgomery County, OHOH539,5981966–

510Stark County, OHOH373,7711966–

511Williams County, OHOH36,5491966–

512Crawford County, PAPA81,7921966–

513Washington County, PAPA210,8021966–

514Hand County, SDSD3,1211966–

515Perkins County, SDSD2,8531966–

516Baylor County, TXTX3,4721966–

517Lamb County, TXTX12,5791966–

518Lynn County, TXTX6,0171966–

519Sherman County, TXTX2,7811966–

520Brooke County, WVWV21,1421966–

521Kanawha County, WVWV172,3811966–

522Lafayette County, WIWI17,4781966–

523Castro County, TXTX7,2951966–

524Liberty County, MTMT1,9571966–

525Eastland County, TXTX18,1431966–

526Knox County, TXTX3,1921966–

527Summit County, OHOH538,3761966–

528Carroll County, ININ20,6551966–

529Hudson County, NJNJ735,0331966–

530San Mateo County, CACA743,5681966–

531Macoupin County, ILIL43,7481966–

532Peoria County, ILIL178,5531966–

533Shelby County, ILIL20,5761966–

534Fountain County, ININ17,0131966–

535Fulton County, ININ20,0911966–

536Huntington County, ININ37,2241966–

537Black Hawk County, IAIA131,5321966–

538Chickasaw County, IAIA11,6631966–

539Jefferson County, IAIA15,2911966–

540Louisa County, IAIA10,4161966–

541Cherokee County, KSKS19,1051966–

542Greeley County, KSKS1,1821966–

543Morton County, KSKS2,4701966–

544Wichita County, KSKS2,0311966–

545Toole County, MTMT5,2111966–

546Valley County, MTMT7,3851966–

547Ulster County, NYNY183,3301966–

548Coleman County, TXTX7,9151966–

549Howard County, TXTX30,5041966–

550Roberts County, TXTX8671966–

551Marin County, CACA253,6941967–

552Worcester County, MAMA888,5021967–

553Huron County, MIMI30,5301967–

554Jackson County, MIMI159,5521967–

555Kittson County, MNMN4,0311967–

556Nobles County, MNMN22,3381967–

557Adams County, NENE31,0711967–

558Colfax County, NENE10,9341967–

559Dodge County, NENE38,0571967–

560Keya Paha County, NENE7921967–

561Knox County, NENE8,3351967–

562Stanton County, NENE5,7441967–

563Camden County, NJNJ535,7991967–

564Chenango County, NYNY45,7151967–

565Franklin County, NYNY46,5001967–

566Logan County, NDND1,8591967–

567Sheridan County, NDND1,2961967–

568Coshocton County, OHOH37,1881967–

569Baker County, OROR16,6581967–

570Clarion County, PAPA36,6801967–

571Clinton County, PAPA37,8701967–

572Kent County, RIRI173,4951967–

573Day County, SDSD5,4841967–

574Edmunds County, SDSD4,0221967–

575Kingsbury County, SDSD5,2841967–

576Oldham County, TXTX1,7831967–

577Upton County, TXTX3,1311967–

578Fairfax, VAVA26,7721967–

579Franklin, VAVA8,4781967–

580Grant County, OKOK4,0671967–

581Judith Basin County, MTMT2,1621967–

582Bristol, VAVA16,4181967–

583Pottawattamie County, IAIA92,9961967–

584Northwest Hills Planning Region, CTCT114,6901967–

585Portsmouth, VAVA96,7771967–

586Lincoln County, COCO5,6451967–

587Douglas County, ILIL19,8801967–

588Delaware County, ININ113,1061967–

589Montgomery County, ININ38,9541967–

590Clay County, IAIA16,2021967–

591Delaware County, IAIA17,6741967–

592Lyon County, IAIA12,3541967–

593Sherman County, KSKS5,7631967–

594Thomas County, KSKS7,7251967–

595Wayne County, NENE10,0201967–

596Galax, VAVA6,6701967–

597Chariton County, MOMO7,3771968–

598Cavalier County, NDND3,4971968–

599Alpena County, MIMI28,8531968–

600Lenawee County, MIMI97,7791968–

601Saginaw County, MIMI187,6881968–

602Livingston County, MOMO14,7081968–

603Chouteau County, MTMT5,8651968–

604Pondera County, MTMT6,0721968–

605Butler County, NENE8,5071968–

606Phelps County, NENE8,9941968–

607Rock County, NENE1,2591968–

608York County, NENE14,5641968–

609Putnam County, NYNY99,0281968–

610Steele County, NDND1,7971968–

611Defiance County, OHOH38,2921968–

612Erie County, OHOH73,2961968–

613Huron County, OHOH58,2501968–

614Scioto County, OHOH71,3651968–

615Beaver County, OKOK4,8821968–

616King County, TXTX1921968–

617Winkler County, TXTX7,5401968–

618Charlottesville, VAVA44,3881968–

619Tyler County, WVWV7,8811968–

620Scurry County, TXTX16,1621968–

621Big Horn County, WYWY12,0241968–

622St. Joseph County, ININ272,8611968–

623Racine County, WIWI198,9191968–

624Calhoun County, ILIL4,3001968–

625Cheyenne County, COCO1,7131968–

626Yuma County, COCO9,8961968–

627Cass County, ILIL12,4631968–

628Moultrie County, ILIL14,3711968–

629Lake County, ININ504,6121968–

630Vigo County, ININ106,5121968–

631Crawford County, IAIA16,2371968–

632Guthrie County, IAIA10,7821968–

633Henry County, IAIA19,3491968–

634Atchison County, KSKS16,1721968–

635Stanton County, KSKS1,9861968–

636Wayne County, NYNY91,2501968–

637Lehigh County, PAPA384,3831968–

638Winchester, VAVA28,2721968–

639Alameda County, CACA1,636,6301969–

640Hamlin County, SDSD6,9001969–

641Androscoggin County, MEME116,4871969–

642Hampshire County, MAMA164,0651969–

643Branch County, MIMI45,9931969–

644Genesee County, MIMI401,0931969–

645Muskegon County, MIMI177,9011969–

646Shiawassee County, MIMI67,6811969–

647Lake County, MNMN10,7461969–

648Red Lake County, MNMN3,9401969–

649Wilkin County, MNMN6,2881969–

650Winona County, MNMN50,5231969–

651Lewis County, MOMO9,8791969–

652Dawson County, NENE24,4521969–

653Scotts Bluff County, NENE35,5861969–

654Coos County, NHNH31,3431969–

655Cumberland County, NJNJ157,1481969–

656Mercer County, NJNJ399,2891969–

657Essex County, NYNY36,4381969–

658Hamilton County, NYNY5,0061969–

659Schuyler County, NYNY16,9241969–

660Tioga County, NYNY47,4531969–

661Burke County, NDND2,1321969–

662Pembina County, NDND6,5681969–

663Ransom County, NDND5,6171969–

664Towner County, NDND2,0401969–

665Ashland County, OHOH52,5231969–

666Champaign County, OHOH38,8201969–

667Hardin County, OHOH30,0721969–

668Ellis County, OKOK3,6131969–

669Berks County, PAPA440,0721969–

670Bradford County, PAPA59,6001969–

671Potter County, PAPA15,8971969–

672Mellette County, SDSD2,1371969–

673Tripp County, SDSD5,7081969–

674Walworth County, SDSD5,2171969–

675Bailey County, TXTX6,9631969–

676Hale County, TXTX31,8191969–

677Jones County, TXTX20,8611969–

678Rutland County, VTVT59,6531969–

679Alleghany County, VAVA14,5461969–

680Ottawa County, KSKS5,7441969–

681Hutchinson County, TXTX19,6331969–

682Douglas County, WIWI43,9901969–

683St. Louis County, MOMO990,9111969–

684Naugatuck Valley Planning Region, CTCT463,3491969–

685Southeastern Connecticut Planning Region, CTCT284,0151969–

686Alexander County, ILIL4,5701969–

687Gallatin County, ILIL4,6161969–

688Pulaski County, ILIL4,8201969–

689Tazewell County, ILIL130,0491969–

690Howard County, ININ83,9041969–

691LaPorte County, ININ111,2941969–

692White County, ININ25,1641969–

693Iowa County, IAIA16,5041969–

694Wayne County, IAIA6,7381969–

695Sheridan County, KSKS2,4271969–

696Yates County, NYNY24,5471969–

697Waynesboro, VAVA23,9511969–

698Buffalo County, WIWI13,3181969–

699Clark County, MOMO6,4751970–

700Rock County, WIWI166,4721970–

701Delta County, MIMI36,5821970–

702Dickinson County, MIMI25,8271970–

703Menominee County, MIMI22,9411970–

704St. Joseph County, MIMI60,9681970–

705Waseca County, MNMN18,6881970–

706Coahoma County, MSMS19,8491970–

707Audrain County, MOMO24,5281970–

708Jackson County, MOMO732,9941970–

709Mercer County, MOMO3,4041970–

710Saline County, MOMO23,2651970–

711Cascade County, MTMT85,0291970–

712Lincoln County, NENE33,3031970–

713Seward County, NENE18,0321970–

714Thurston County, NENE6,7521970–

715White Pine County, NVNV8,6611970–

716Livingston County, NYNY61,4381970–

717Suffolk County, NYNY1,546,0901970–

718Kidder County, NDND2,3931970–

719Auglaize County, OHOH45,9091970–

720Garfield County, OKOK61,7791970–

721Jefferson County, OKOK5,4311970–

722Clearfield County, PAPA78,1001970–

723Columbia County, PAPA66,1931970–

724Indiana County, PAPA82,8781970–

725McCook County, SDSD5,9641970–

726Marshall County, SDSD4,4261970–

727Brooks County, TXTX6,5791970–

728Hansford County, TXTX4,9441970–

729Shackelford County, TXTX3,1971970–

730Colonial Heights, VAVA18,7381970–

731Wood County, WVWV82,3851970–

732Kewaunee County, WIWI20,7581970–

733Pepin County, WIWI7,5131970–

734Sheboygan County, WIWI118,0471970–

735Decatur County, IAIA7,6551970–

736Merrick County, NENE7,9051970–

737Kit Carson County, COCO7,0691970–

738Phillips County, COCO4,4201970–

739Cumberland County, ILIL10,2081970–

740Edwards County, ILIL5,8981970–

741Hamilton County, ILIL7,8591970–

742Wabash County, ILIL10,9071970–

743Pulaski County, ININ12,4631970–

744Union County, ININ6,8631970–

745Vanderburgh County, ININ181,9951970–

746Bremer County, IAIA25,2961970–

747Dubuque County, IAIA99,3811970–

748Jackson County, IAIA19,2881970–

749Jones County, IAIA21,2531970–

750Monroe County, IAIA7,4061970–

751Muscatine County, IAIA41,8531970–

752Van Buren County, IAIA7,1311970–

753Coffey County, KSKS8,4671970–

754Doniphan County, KSKS7,5941970–

755Hamilton County, KSKS2,5001970–

756Harvey County, KSKS33,5801970–

757Lyon County, KSKS32,2661970–

758Forest County, PAPA6,6141970–

759Petersburg, VAVA33,7341970–

760Dodge County, WIWI89,0971970–

761Sierra County, CACA3,0981971–

762Plymouth County, MAMA546,8291971–

763Hillsdale County, MIMI45,7381971–

764Ingham County, MIMI289,7091971–

765Marquette County, MIMI68,0641971–

766Sanilac County, MIMI40,0831971–

767Tuscola County, MIMI52,6801971–

768Marshall County, MNMN8,7981971–

769Polk County, MNMN30,5451971–

770Pope County, MNMN11,4201971–

771Stevens County, MNMN9,7471971–

772Gentry County, MOMO6,3841971–

773Marion County, MOMO28,5251971–

774Pike County, MOMO17,9551971–

775Scotland County, MOMO4,7961971–

776Shelby County, MOMO5,8701971–

777Hill County, MTMT16,1671971–

778Otoe County, NENE16,5311971–

779Mineral County, NVNV4,4071971–

780Dutchess County, NYNY300,7081971–

781Oswego County, NYNY118,5691971–

782Rockland County, NYNY357,3971971–

783Walsh County, NDND10,1791971–

784Fayette County, OHOH28,5521971–

785Fulton County, OHOH41,8531971–

786Miami County, OHOH112,6341971–

787Paulding County, OHOH18,7271971–

788Tuscarawas County, OHOH92,3731971–

789Cotton County, OKOK5,4321971–

790Hughes County, OKOK13,4551971–

791Washington County, OKOK54,0371971–

792Grant County, OROR7,0751971–

793Bedford County, PAPA47,4801971–

794Brule County, SDSD5,2781971–

795Charles Mix County, SDSD9,3031971–

796Deuel County, SDSD4,4081971–

797Cochran County, TXTX2,5461971–

798Deaf Smith County, TXTX18,6261971–

799McCulloch County, TXTX7,4721971–

800Stonewall County, TXTX1,1861971–

801Highland County, VAVA2,3181971–

802Cabell County, WVWV91,1831971–

803Richland County, WIWI17,0361971–

804Coles County, ILIL46,6071971–

805Saline County, ILIL22,7721971–

806Poweshiek County, IAIA18,3681971–

807Western Connecticut Planning Region, CTCT640,4821971–

808Falls Church, VAVA15,1591971–

809Northampton County, PAPA324,4111971–

810Morris County, NJNJ524,2511971–

811Baca County, COCO3,3471971–

812Prowers County, COCO11,8841971–

813Butte County, IDID2,7831971–

814Oneida County, IDID5,0851971–

815Clark County, ILIL15,1141971–

816Madison County, ILIL263,1101971–

817Schuyler County, ILIL6,6571971–

818Winnebago County, ILIL283,6741971–

819Adams County, ININ36,6501971–

820Newton County, ININ14,1881971–

821Plymouth County, IAIA25,6971971–

822Cherry County, NENE5,5611971–

823Montgomery County, PAPA877,6431971–

824Wheeler County, TXTX4,7731971–

825Lynchburg, VAVA81,3471971–

826Salem, VAVA25,8161971–

827Fond du Lac County, WIWI104,6691971–

828Green Lake County, WIWI19,3051971–

829Goshen County, WYWY12,6401971–

830Multnomah County, OROR795,3911972–

831Boyd County, KYKY47,7511972–

832Lake County, COCO7,5521972–

833Dade County, MOMO7,8041972–

834Crawford County, KSKS39,0081972–

835Campbell County, KYKY95,4411972–

836Tensas Parish, LALA3,7001972–

837Aroostook County, MEME66,6091972–

838Ionia County, MIMI66,5571972–

839Iosco County, MIMI25,2661972–

840Manistee County, MIMI25,6561972–

841Houston County, MNMN18,4001972–

842Koochiching County, MNMN11,5871972–

843Lyon County, MNMN25,6841972–

844Adams County, MSMS30,0611972–

845Quitman County, MSMS5,3641972–

846Dunklin County, MOMO26,8551972–

847Macon County, MOMO15,1901972–

848Blaine County, MTMT6,8601972–

849Cheshire County, NHNH78,2691972–

850Warren County, NJNJ112,9531972–

851Delaware County, NYNY44,3051972–

852Greene County, NYNY47,2381972–

853Jefferson County, NYNY111,5401972–

854Lewis County, NYNY26,4791972–

855Benson County, NDND5,7591972–

856Bowman County, NDND2,7621972–

857Pierce County, NDND3,8381972–

858Richland County, NDND16,7311972–

859Guernsey County, OHOH38,3791972–

860Muskingum County, OHOH87,0141972–

861Preble County, OHOH40,6641972–

862Putnam County, OHOH34,3801972–

863Blaine County, OKOK8,5151972–

864Caddo County, OKOK26,1301972–

865Lake County, OROR8,1871972–

866Carbon County, PAPA65,8681972–

867Huntingdon County, PAPA43,0011972–

868Union County, SCSC26,7991972–

869Davison County, SDSD20,0691972–

870Fall River County, SDSD7,4671972–

871Grant County, SDSD7,5341972–

872Moody County, SDSD6,6321972–

873Menard County, TXTX1,9561972–

874Sutton County, TXTX3,2031972–

875Bennington County, VTVT36,6301972–

876Lunenburg County, VAVA12,0581972–

877Ashland County, WIWI16,2031972–

878Clark County, WIWI35,0521972–

879Henderson County, ILIL5,9841972–

880Langlade County, WIWI19,5341972–

881Wood County, WIWI74,0601972–

882Washakie County, WYWY7,5971972–

883Donley County, TXTX3,2131972–

884Fayette County, WVWV38,1651972–

885Lake County, OHOH232,2171972–

886Dauphin County, PAPA293,3511972–

887Las Animas County, COCO14,3911972–

888Lower Connecticut River Valley Planning Region, CTCT177,3111972–

889Caribou County, IDID7,2521972–

890Clay County, ILIL12,7931972–

891Fayette County, ILIL20,7901972–

892Kankakee County, ILIL105,5251972–

893Ogle County, ILIL51,3991972–

894Randolph County, ILIL29,9211972–

895Washington County, ILIL13,5641972–

896Woodford County, ILIL38,1111972–

897Parke County, ININ16,6421972–

898Shelby County, ININ45,8821972–

899Allamakee County, IAIA14,2381972–

900Mills County, IAIA14,7931972–

901Scott County, IAIA175,2591972–

902Ford County, KSKS33,9931972–

903Kearny County, KSKS3,8881972–

904Shawnee County, KSKS178,6071972–

905Fulton County, KYKY6,2181972–

906Jefferson County, KYKY795,2221972–

907Nicholas County, KYKY7,9491972–

908Treasure County, MTMT7281972–

909Chaves County, NMNM63,3641972–

910Lebanon County, PAPA146,3801972–

911Tioga County, PAPA40,5021972–

912Wichita County, TXTX129,5551972–

913Carbon County, UTUT20,6801972–

914Giles County, VAVA16,5641972–

915Buena Vista, VAVA6,6721972–

916Hopewell, VAVA23,2611972–

917Lincoln County, WAWA11,9821972–

918Green County, WIWI37,2271972–

919Iron County, WIWI6,1271972–

920Clay County, ARAR14,0521973–

921Lee County, ARAR8,0291973–

922Foster County, NDND3,2121973–

923Humboldt County, CACA131,6471973–

924Sullivan County, ININ20,8311973–

925Baraga County, MIMI8,1691973–

926Cass County, MIMI51,6771973–

927Presque Isle County, MIMI13,1281973–

928Goodhue County, MNMN48,1951973–

929Leflore County, MSMS25,6861973–

930Washington County, MSMS40,4461973–

931Adair County, MOMO25,6841973–

932Mississippi County, MOMO12,0031973–

933Wibaux County, MTMT8851973–

934Hamilton County, NENE9,6781973–

935Keith County, NENE8,1001973–

936Platte County, NENE35,6491973–

937Saunders County, NENE23,7021973–

938Stutsman County, NDND21,4141973–

939Hancock County, OHOH75,0341973–

940Knox County, OHOH64,0021973–

941Lorain County, OHOH323,2191973–

942Garvin County, OKOK26,3771973–

943Jackson County, OKOK24,7641973–

944Union County, OROR25,9001973–

945Wallowa County, OROR7,5951973–

946Wasco County, OROR26,3101973–

947Snyder County, PAPA39,6551973–

948Sullivan County, PAPA5,8561973–

949Bennett County, SDSD3,3071973–

950Brown County, SDSD37,5611973–

951Harding County, SDSD1,3311973–

952Jones County, SDSD9131973–

953Borden County, TXTX5671973–

954Garza County, TXTX4,5101973–

955Kent County, TXTX6741973–

956Lipscomb County, TXTX2,9551973–

957Parmer County, TXTX9,6781973–

958Refugio County, TXTX6,6571973–

959Caledonia County, VTVT30,4141973–

960Essex County, VTVT6,0511973–

961Washington County, VTVT59,6521973–

962Windsor County, VTVT57,3121973–

963Nottoway County, VAVA15,7961973–

964Smyth County, VAVA28,8821973–

965Walla Walla County, WAWA62,3611973–

966Pemiscot County, MOMO14,4651973–

967Renville County, NDND2,3311973–

968Washington County, OHOH58,3891973–

969Carbon County, WYWY14,0131973–

970Sussex County, NJNJ148,0631973–

971Logan County, OHOH46,3021973–

972Concho County, TXTX3,6071973–

973Hennepin County, MNMN1,284,7841973–

974Marion County, ININ992,1961973–

975Northeastern Connecticut Planning Region, CTCT98,0961973–

976Nez Perce County, IDID42,9051973–

977Marion County, ILIL36,3821973–

978Perry County, ILIL20,1601973–

979Piatt County, ILIL16,7911973–

980Richland County, ILIL15,2191973–

981Decatur County, ININ26,5761973–

982Jefferson County, ININ33,2791973–

983Lawrence County, ININ45,5681973–

984Marshall County, ININ46,5991973–

985Pike County, ININ12,0031973–

986Warren County, ININ8,4741973–

987Wells County, ININ28,8831973–

988Buchanan County, IAIA20,8831973–

989Davis County, IAIA9,2301973–

990Ringgold County, IAIA4,6421973–

991Sioux County, IAIA36,7741973–

992Ellis County, KSKS29,0751973–

993Haskell County, KSKS3,5991973–

994Kiowa County, KSKS2,4321973–

995Seward County, KSKS21,0731973–

996Webster Parish, LALA34,9481973–

997Baltimore County, MDMD847,6501973–

998Gosper County, NENE1,8031973–

999Warren County, NYNY65,0201973–

1000Juniata County, PAPA23,4031973–

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