Which county has the highest median year built?

McKenzie County, North Dakota ranks #1 with 2005 (2020 American Community Survey).

What are the top 5 counties by median year built?

McKenzie County, North Dakota, Cameron Parish, Louisiana, Sumter County, Florida, Hays County, Texas, Dallas County, Iowa.

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

Newest housing stock, US counties · 2020

US counties ranked by median year housing was built (2023 ACS).

Flip the list · Oldest housing stock, US counties →

All statesAll rankings

SAME RANKING BYCities States Metros ZIP codes

YEAR1990 2010 2020 2024

RANKPLACESTATEPOPMEDIAN YEAR BUILTVS 2000

2501Franklin, VAVA8,4781967–

2502Scurry County, TXTX16,1621967–

2503St. Joseph County, ININ272,8611967–

2504Grundy County, MOMO9,7441967–

2505Racine County, WIWI198,9191967–

2506Decatur County, IAIA7,6551967–

2507Bristol, VAVA16,4181967–

2508Pottawattamie County, IAIA92,9961967–

2509Calhoun County, ILIL4,3001967–

2510Hardin County, ILIL3,5881967–

2511McDonough County, ILIL25,9161967–

2512Tazewell County, ILIL130,0491967–

2513LaPorte County, ININ111,2941967–

2514Montgomery County, ININ38,9541967–

2515Vanderburgh County, ININ181,9951967–

2516Warren County, ININ8,4741967–

2517Delaware County, IAIA17,6741967–

2518Harvey County, KSKS33,5801967–

2519Thomas County, KSKS7,7251967–

2520Wayne County, NENE10,0201967–

2521Dickey County, NDND4,8951966–

2522Marin County, CACA253,6941966–

2523Saline County, KSKS53,3771966–

2524Berrien County, MIMI152,4441966–

2525Saginaw County, MIMI187,6881966–

2526Wilkin County, MNMN6,2881966–

2527Hooker County, NENE6861966–

2528Howard County, NENE6,5381966–

2529Otoe County, NENE16,5311966–

2530Wheeler County, NENE7891966–

2531Coos County, NHNH31,3431966–

2532Camden County, NJNJ535,7991966–

2533Quay County, NMNM8,4541966–

2534Adams County, NDND2,2751966–

2535Barnes County, NDND10,5731966–

2536Sheridan County, NDND1,2961966–

2537Coshocton County, OHOH37,1881966–

2538Defiance County, OHOH38,2921966–

2539Hardin County, OHOH30,0721966–

2540Paulding County, OHOH18,7271966–

2541Cotton County, OKOK5,4321966–

2542Charles Mix County, SDSD9,3031966–

2543Deuel County, SDSD4,4081966–

2544McCook County, SDSD5,9641966–

2545Walworth County, SDSD5,2171966–

2546Deaf Smith County, TXTX18,6261966–

2547Hansford County, TXTX4,9441966–

2548Oldham County, TXTX1,7831966–

2549Stonewall County, TXTX1,1861966–

2550Throckmorton County, TXTX1,5541966–

2551Tyler County, WVWV7,8811966–

2552Wabaunsee County, KSKS7,0181966–

2553Box Butte County, NENE10,4941966–

2554Portsmouth, VAVA96,7771966–

2555Lincoln County, COCO5,6451966–

2556Phillips County, COCO4,4201966–

2557Brown County, ILIL6,4011966–

2558Clark County, ILIL15,1141966–

2559Edwards County, ILIL5,8981966–

2560Franklin County, ILIL36,9161966–

2561Fulton County, ININ20,0911966–

2562Howard County, ININ83,9041966–

2563Pulaski County, ININ12,4631966–

2564Black Hawk County, IAIA131,5321966–

2565Bremer County, IAIA25,2961966–

2566Jasper County, IAIA38,1531966–

2567Jones County, IAIA21,2531966–

2568Lucas County, IAIA8,8471966–

2569Hamilton County, KSKS2,5001966–

2570Stevens County, KSKS4,9841966–

2571Ulster County, NYNY183,3301966–

2572Wayne County, NYNY91,2501966–

2573Greer County, OKOK5,3731966–

2574Worcester County, MAMA888,5021965–

2575Jackson County, MIMI159,5521965–

2576Arthur County, NENE3961965–

2577Brown County, NENE2,8261965–

2578Butler County, NENE8,5071965–

2579Kearney County, NENE6,7901965–

2580Rock County, NENE1,2591965–

2581Columbia County, NYNY60,1681965–

2582Essex County, NYNY36,4381965–

2583Wells County, NDND3,7291965–

2584Erie County, OHOH73,2961965–

2585Stark County, OHOH373,7711965–

2586Williams County, OHOH36,5491965–

2587Crawford County, PAPA81,7921965–

2588Kent County, RIRI173,4951965–

2589Beadle County, SDSD19,6241965–

2590Edmunds County, SDSD4,0221965–

2591Hyde County, SDSD1,1911965–

2592Cochran County, TXTX2,5461965–

2593Cottle County, TXTX1,2241965–

2594Hale County, TXTX31,8191965–

2595Reeves County, TXTX12,1381965–

2596Kanawha County, WVWV172,3811965–

2597Wetzel County, WVWV13,7341965–

2598Castro County, TXTX7,2951965–

2599Liberty County, MTMT1,9571965–

2600Sullivan County, MOMO5,7381965–

2601Carroll County, ININ20,6551965–

2602San Mateo County, CACA743,5681965–

2603Adams County, ILIL64,2671965–

2604Macoupin County, ILIL43,7481965–

2605Morgan County, ILIL32,5151965–

2606Wabash County, ILIL10,9071965–

2607Lake County, ININ504,6121965–

2608Benton County, IAIA26,0041965–

2609Carroll County, IAIA20,3031965–

2610Lyon County, IAIA12,3541965–

2611Cherry County, NENE5,5611965–

2612Coleman County, TXTX7,9151965–

2613Dawson County, TXTX11,7761965–

2614Howard County, TXTX30,5041965–

2615Staunton, VAVA26,8011965–

2616Eddy County, NDND2,3291964–

2617Allegany County, NYNY46,8001964–

2618Gratiot County, MIMI41,1901964–

2619Murray County, MNMN7,9421964–

2620Nobles County, MNMN22,3381964–

2621Ramsey County, MNMN541,6231964–

2622Custer County, MTMT12,0341964–

2623Adams County, NENE31,0711964–

2624Dodge County, NENE38,0571964–

2625Grant County, NENE5611964–

2626Knox County, NENE8,3351964–

2627Thomas County, NENE6391964–

2628Mercer County, NJNJ399,2891964–

2629De Baca County, NMNM1,6471964–

2630Union County, NMNM3,8441964–

2631Chenango County, NYNY45,7151964–

2632Monroe County, NYNY750,5061964–

2633Logan County, NDND1,8591964–

2634Allen County, OHOH100,8811964–

2635Montgomery County, OHOH539,5981964–

2636Wyandot County, OHOH21,5671964–

2637Newport County, RIRI83,0511964–

2638Moody County, SDSD6,6321964–

2639Baylor County, TXTX3,4721964–

2640Nolan County, TXTX14,1171964–

2641Winkler County, TXTX7,5401964–

2642Polk County, NENE5,2701964–

2643Salem County, NJNJ66,2801964–

2644Summit County, OHOH538,3761964–

2645Crosby County, TXTX4,8521964–

2646Baca County, COCO3,3471964–

2647Cass County, ILIL12,4631964–

2648Fayette County, ILIL20,7901964–

2649Peoria County, ILIL178,5531964–

2650Delaware County, ININ113,1061964–

2651Grant County, ININ66,5241964–

2652Knox County, ININ35,6521964–

2653Madison County, ININ135,0881964–

2654Clay County, IAIA16,2021964–

2655Henry County, IAIA19,3491964–

2656Doniphan County, KSKS7,5941964–

2657Scott County, KSKS4,8151964–

2658Sumner County, KSKS22,3121964–

2659Treasure County, MTMT7281964–

2660Valley County, MTMT7,3851964–

2661Carroll County, MOMO8,4171963–

2662Grant County, NDND2,2061963–

2663Los Angeles County, CACA9,694,9341963–

2664Norfolk County, MAMA739,7491963–

2665Fillmore County, MNMN21,5401963–

2666Kittson County, MNMN4,0311963–

2667Lincoln County, MNMN5,5831963–

2668Linn County, MOMO11,8151963–

2669Schuyler County, MOMO4,1401963–

2670Saline County, NENE14,9961963–

2671Nelson County, NDND2,9631963–

2672Traill County, NDND7,9201963–

2673Columbiana County, OHOH99,3771963–

2674Richland County, OHOH124,8931963–

2675Trumbull County, OHOH198,9721963–

2676Beaver County, OKOK4,8821963–

2677Harper County, OKOK3,1721963–

2678Kay County, OKOK43,4901963–

2679Somerset County, PAPA72,0041963–

2680Washington County, PAPA210,8021963–

2681Day County, SDSD5,4841963–

2682Faulk County, SDSD2,1781963–

2683Haskell County, TXTX5,4991963–

2684Lamb County, TXTX12,5791963–

2685Sherman County, TXTX2,7811963–

2686Crawford County, ILIL18,6481963–

2687Crowley County, COCO5,6771963–

2688De Witt County, ILIL15,1181963–

2689Macon County, ILIL99,3001963–

2690Marshall County, ILIL11,4731963–

2691Montgomery County, ILIL28,0761963–

2692Fountain County, ININ17,0131963–

2693Appanoose County, IAIA12,0771963–

2694Buena Vista County, IAIA20,4491963–

2695Cedar County, IAIA18,3591963–

2696Louisa County, IAIA10,4161963–

2697Muscatine County, IAIA41,8531963–

2698Winnebago County, IAIA10,2511963–

2699Sheridan County, KSKS2,4271963–

2700Wilson County, KSKS8,2991963–

2701Yates County, NYNY24,5471963–

2702Westmoreland County, PAPA349,3241963–

2703Wheeler County, TXTX4,7731963–

2704Norfolk, VAVA231,0131963–

2705Divide County, NDND2,1101962–

2706Bristol County, MAMA593,6401962–

2707Calhoun County, MIMI133,4081962–

2708Iron County, MIMI11,7571962–

2709Keweenaw County, MIMI2,1861962–

2710Ontonagon County, MIMI5,8231962–

2711Norman County, MNMN6,3361962–

2712St. Louis County, MNMN200,5181962–

2713Sibley County, MNMN15,3561962–

2714Worth County, MOMO1,9141962–

2715Pondera County, MTMT6,0721962–

2716Gage County, NENE21,7111962–

2717Franklin County, NYNY46,5001962–

2718Madison County, NYNY67,1201962–

2719Onondaga County, NYNY466,5841962–

2720St. Lawrence County, NYNY105,4881962–

2721Steuben County, NYNY91,8551962–

2722Burke County, NDND2,1321962–

2723Towner County, NDND2,0401962–

2724Ellis County, OKOK3,6131962–

2725Erie County, PAPA265,8321962–

2726Greene County, PAPA33,8851962–

2727Mifflin County, PAPA46,1271962–

2728Armstrong County, TXTX1,8431962–

2729Swisher County, TXTX6,7031962–

2730Danville, VAVA41,6471962–

2731Lafayette County, WIWI17,4781962–

2732Grant County, OKOK4,0671962–

2733Wilbarger County, TXTX12,4811962–

2734Tipton County, ININ15,3191962–

2735Kiowa County, COCO1,4121962–

2736Logan County, COCO20,6541962–

2737Christian County, ILIL33,4431962–

2738Hancock County, ILIL16,8031962–

2739Fayette County, ININ23,5331962–

2740Vermillion County, ININ15,4881962–

2741Chickasaw County, IAIA11,6631962–

2742Washington County, IAIA22,6671962–

2743Wayne County, IAIA6,7381962–

2744Anderson County, KSKS8,0181962–

2745Bourbon County, KSKS14,3191962–

2746Chautauqua County, KSKS3,3211962–

2747Gove County, KSKS2,6311962–

2748Logan County, KSKS2,6611962–

2749Reno County, KSKS61,5391962–

2750Foard County, TXTX1,0441962–

2751Martinsville, VAVA13,8491962–

2752Emmons County, NDND3,2151961–

2753Bay County, MIMI102,1231961–

2754Buchanan County, MOMO83,5401961–

2755Daniels County, MTMT1,6121961–

2756McCone County, MTMT1,7201961–

2757Sheridan County, MTMT3,4361961–

2758Wibaux County, MTMT8851961–

2759Albany County, NYNY321,2251961–

2760Cattaraugus County, NYNY75,3901961–

2761Rensselaer County, NYNY160,5101961–

2762McHenry County, NDND5,1301961–

2763Ransom County, NDND5,6171961–

2764Ashtabula County, OHOH96,7131961–

2765Clark County, OHOH135,3401961–

2766Lucas County, OHOH423,3471961–

2767Marion County, OHOH65,1151961–

2768Woods County, OKOK8,4431961–

2769Mercer County, PAPA107,8601961–

2770Carson County, TXTX5,8051961–

2771Fisher County, TXTX3,6921961–

2772Potter County, TXTX114,4531961–

2773Brooke County, WVWV21,1421961–

2774Harrison County, WVWV64,2211961–

2775Manitowoc County, WIWI81,7101961–

2776Knox County, TXTX3,1921961–

2777Hamilton County, OHOH838,4181961–

2778Otero County, COCO17,6831961–

2779LaSalle County, ILIL107,7731961–

2780Mason County, ILIL12,4111961–

2781Pike County, ILIL14,2311961–

2782Whiteside County, ILIL54,1211961–

2783Atchison County, KSKS16,1721961–

2784Cowley County, KSKS34,3821961–

2785Wyandotte County, KSKS170,5971961–

2786Lycoming County, PAPA112,5871961–

2787Roberts County, TXTX8671961–

2788Columbia County, WAWA4,1411961–

2789Griggs County, NDND2,2391960–

2790Union County, IAIA11,8291960–

2791Lane County, KSKS1,5081960–

2792Middlesex County, MAMA1,669,9791960–

2793Houghton County, MIMI37,8421960–

2794Big Stone County, MNMN5,0541960–

2795Brown County, MNMN25,5171960–

2796Pipestone County, MNMN9,2601960–

2797Traverse County, MNMN3,1301960–

2798Meagher County, MTMT2,1371960–

2799Powell County, MTMT7,1571960–

2800Wheatland County, MTMT2,1001960–

2801Crawford County, OHOH41,8961960–

2802Darke County, OHOH51,5201960–

2803Henry County, OHOH27,5981960–

2804Mahoning County, OHOH224,7061960–

2805Washita County, OKOK10,8841960–

2806Elk County, PAPA29,9261960–

2807Warren County, PAPA37,0381960–

2808Bristol County, RIRI50,0011960–

2809Hand County, SDSD3,1211960–

2810Gray County, TXTX20,9191960–

2811Hancock County, WVWV27,7291960–

2812Lawrence County, ILIL13,7901960–

2813Wabash County, ININ30,7131960–

2814Rock Island County, ILIL141,8691960–

2815Washington County, NYNY59,3531960–

2816Hudson County, NJNJ735,0331960–

2817Henry County, ILIL48,0951960–

2818Iroquois County, ILIL26,1501960–

2819Logan County, ILIL27,1821960–

2820White County, ILIL13,2501960–

2821Jay County, ININ20,1181960–

2822Wayne County, ININ66,1691960–

2823Boone County, IAIA26,7991960–

2824Clayton County, IAIA16,8451960–

2825Mahaska County, IAIA21,8801960–

2826Palo Alto County, IAIA8,8991960–

2827Greeley County, KSKS1,1821960–

2828Labette County, KSKS19,6851960–

2829Phillips County, KSKS4,7281960–

2830Toole County, MTMT5,2111960–

2831Jefferson County, PAPA43,2551960–

2832Hardeman County, TXTX3,2921960–

2833Cook County, ILIL5,194,6251959–

2834Teton County, MTMT6,4961959–

2835Blackford County, ININ11,7301959–

2836Essex County, MAMA826,6531959–

2837Franklin County, MAMA70,6981959–

2838Freeborn County, MNMN30,4401959–

2839Knox County, MOMO3,7281959–

2840Keya Paha County, NENE7921959–

2841York County, NENE14,5641959–

2842Bergen County, NJNJ977,0261959–

2843Belmont County, OHOH64,4341959–

2844Sandusky County, OHOH58,6551959–

2845Alfalfa County, OKOK5,6491959–

2846Harmon County, OKOK2,3271959–

2847Kiowa County, OKOK8,1811959–

2848Tillman County, OKOK6,7801959–

2849Armstrong County, PAPA63,6981959–

2850Cameron County, PAPA4,2111959–

2851Venango County, PAPA49,3461959–

2852Kingsbury County, SDSD5,2841959–

2853Spink County, SDSD6,1551959–

2854Briscoe County, TXTX1,4741959–

2855McDowell County, WVWV16,8781959–

2856Marion County, WVWV55,5841959–

2857Marshall County, WVWV29,1591959–

2858Jefferson County, OHOH63,5971959–

2859Van Wert County, OHOH29,0131959–

2860McIntosh County, NDND2,4511959–

2861Washington County, COCO4,7321959–

2862Yuma County, COCO9,8961959–

2863Edgar County, ILIL16,3231959–

2864Fulton County, ILIL32,9011959–

2865Lee County, ILIL32,9141959–

2866Henry County, ININ49,1371959–

2867Huntington County, ININ37,2241959–

2868Adair County, IAIA7,4031959–

2869Calhoun County, IAIA9,5621959–

2870Brown County, KSKS9,1041959–

2871Kingman County, KSKS7,0291959–

2872Marion County, KSKS11,6341959–

2873Meade County, KSKS3,8521959–

2874Collingsworth County, TXTX2,4871959–

2875Floyd County, TXTX4,8811959–

2876Chippewa County, MNMN12,4061958–

2877Rock County, MNMN9,5241958–

2878Swift County, MNMN9,7631958–

2879Atchison County, MOMO5,1751958–

2880Fergus County, MTMT11,8251958–

2881Antelope County, NENE6,3521958–

2882Broome County, NYNY195,7361958–

2883Slope County, NDND6281958–

2884Seneca County, OHOH54,5221958–

2885Cimarron County, OKOK2,0591958–

2886Gilliam County, OROR1,9711958–

2887Sherman County, OROR2,0511958–

2888Beaver County, PAPA166,0321958–

2889Blair County, PAPA119,5411958–

2890Hutchinson County, SDSD7,4131958–

2891Perkins County, SDSD2,8531958–

2892Mitchell County, TXTX8,9471958–

2893Runnels County, TXTX9,6931958–

2894Golden Valley County, NDND1,8081958–

2895Bent County, COCO5,7161958–

2896Livingston County, ILIL35,0571958–

2897Stephenson County, ILIL43,2201958–

2898Miami County, ININ34,4871958–

2899Hancock County, IAIA10,5281958–

2900Marshall County, IAIA39,8901958–

2901O'Brien County, IAIA14,2201958–

2902Winneshiek County, IAIA19,7331958–

2903Barton County, KSKS24,7901958–

2904Hodgeman County, KSKS1,6191958–

2905Montgomery County, KSKS30,1771958–

2906Trego County, KSKS2,7401958–

2907Roanoke, VAVA99,1111958–

2908Carroll County, ILIL15,4191957–

2909Orleans Parish, LALA362,1541957–

2910Hampden County, MAMA464,3381957–

2911Cottonwood County, MNMN11,4051957–

2912Jackson County, MNMN9,8571957–

2913Redwood County, MNMN15,2651957–

2914Banner County, NENE6861957–

2915Cuming County, NENE8,8231957–

2916Dundy County, NENE1,5681957–

2917Frontier County, NENE2,6551957–

2918Seneca County, NYNY32,8831957–

2919Hettinger County, NDND2,4921957–

2920Allegheny County, PAPA1,225,0351957–

2921Pierce County, NENE7,3781957–

2922Red Willow County, NENE10,3071957–

2923Richmond, VAVA237,2571957–

2924Shoshone County, IDID14,1301957–

2925Mercer County, ILIL15,2291957–

2926Clinton County, ININ33,3221957–

2927Cerro Gordo County, IAIA42,3721957–

2928Kossuth County, IAIA14,3221957–

2929Webster County, IAIA36,8381957–

2930Woodbury County, IAIA106,6491957–

2931Chase County, KSKS2,5721957–

2932Graham County, KSKS2,3711957–

2933Harper County, KSKS5,3701957–

2934Neosho County, KSKS15,6371957–

2935Allegany County, MDMD66,8481957–

2936Cheyenne County, NENE9,5281957–

2937Morrill County, NENE4,4041957–

2938Luzerne County, PAPA332,1261957–

2939Wayne County, MIMI1,769,0381956–

2940Dickens County, TXTX1,6921956–

2941Martin County, MNMN19,4401956–

2942Mower County, MNMN40,9711956–

2943Renville County, MNMN14,3561956–

2944Garfield County, NENE1,7101956–

2945Essex County, NJNJ896,3791956–

2946Passaic County, NJNJ531,6241956–

2947Cayuga County, NYNY74,3651956–

2948Cortland County, NYNY45,8501956–

2949Erie County, NYNY946,7411956–

2950Genesee County, NYNY58,4161956–

2951Niagara County, NYNY208,9121956–

2952Oneida County, NYNY226,3921956–

2953Otsego County, NYNY60,5891956–

2954Cuyahoga County, OHOH1,232,9251956–

2955Delaware County, PAPA580,9371956–

2956McPherson County, SDSD2,3471956–

2957Turner County, SDSD9,3141956–

2958Hall County, TXTX2,7371956–

2959Des Moines County, IAIA38,0771956–

2960Mitchell County, IAIA10,6501956–

2961Greenwood County, KSKS5,8261956–

2962Bureau County, ILIL32,5101956–

2963Knox County, ILIL47,7671956–

2964Scott County, ILIL4,8661956–

2965Clinton County, IAIA46,0021956–

2966Crawford County, IAIA16,2371956–

2967Floyd County, IAIA14,9011956–

2968Fremont County, IAIA6,5221956–

2969Grundy County, IAIA12,3611956–

2970Wapello County, IAIA35,2101956–

2971Ellsworth County, KSKS6,2571956–

2972Ness County, KSKS2,6171956–

2973Wallace County, KSKS1,4411956–

2974McPherson County, NENE3691956–

2975Westchester County, NYNY1,015,7431956–

2976Fayette County, PAPA123,0211956–

2977Lexington, VAVA7,7691956–

2978Perkins County, NENE2,8491955–

2979Chemung County, NYNY80,4151955–

2980Gogebic County, MIMI14,2851955–

2981Watonwan County, MNMN11,4591955–

2982Yellow Medicine County, MNMN9,4771955–

2983Silver Bow County, MTMT36,1181955–

2984Boyd County, NENE1,6741955–

2985Cedar County, NENE8,3731955–

2986Hitchcock County, NENE2,4671955–

2987Kimball County, NENE3,3911955–

2988Union County, NJNJ601,8631955–

2989Providence County, RIRI678,1791955–

2990Aurora County, SDSD2,8011955–

2991Sanborn County, SDSD2,3881955–

2992Ottawa County, KSKS5,7441955–

2993Barber County, KSKS4,0831955–

2994Nassau County, NYNY1,398,9391955–

2995Lawrence County, PAPA83,9111955–

2996Ford County, ILIL13,2161955–

2997Stark County, ILIL5,3191955–

2998Vermilion County, ILIL71,2591955–

2999Fayette County, IAIA19,0471955–

3000Humboldt County, IAIA9,4091955–

SHOWING 2,501–3,000 OF 3,134

1 2 3 4 5 6 7

Download CSV (full list, 3,134 rows)

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