Which county has the highest median year built?

Douglas County, Colorado ranks #1 with 1983 (1990 Decennial Census).

What are the top 5 counties by median year built?

Douglas County, Colorado, Flagler County, Florida, Camden County, Georgia, Fayette County, Georgia, Hernando County, Florida.

How many counties are in this ranking?

3,122 counties qualify after filtering for population minimums and data availability. The ranking covers 1990 Decennial Census data.

How is median year built measured?

Median year that housing structures were built. Source: US Census Bureau, 1990 Decennial Census.

RANKING · 1990 CENSUS · 500 SHOWN OF 3,122

Newest housing stock, US counties · 1990

US counties ranked by median year housing was built (1990 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 –

2501Racine County, WIWI198,9191956–

2502Summit County, OHOH538,3761956–

2503Hamilton County, OHOH838,4181956–

2504Rock Island County, ILIL141,8691956–

2505Yuma County, COCO9,8961956–

2506Lincoln County, IDID5,6031956–

2507Clark County, ILIL15,1141956–

2508Hamilton County, ILIL7,8591956–

2509Peoria County, ILIL178,5531956–

2510Clay County, ININ26,4101956–

2511LaPorte County, ININ111,2941956–

2512Montgomery County, ININ38,9541956–

2513Newton County, ININ14,1881956–

2514Pulaski County, ININ12,4631956–

2515Shelby County, ININ45,8821956–

2516Warren County, ININ8,4741956–

2517Delaware County, IAIA17,6741956–

2518Dubuque County, IAIA99,3811956–

2519Jasper County, IAIA38,1531956–

2520Muscatine County, IAIA41,8531956–

2521Barton County, KSKS24,7901956–

2522Hamilton County, KSKS2,5001956–

2523McPherson County, KSKS30,0641956–

2524Sherman County, KSKS5,7631956–

2525Sweet Grass County, MTMT3,7621956–

2526Lebanon County, PAPA146,3801956–

2527Wheeler County, TXTX4,7731956–

2528Roanoke, VAVA99,1111956–

2529Fond du Lac County, WIWI104,6691956–

2530Grant County, WIWI52,4461956–

2531Cooper County, MOMO17,1361955–

2532Robertson County, KYKY2,3251955–

2533Calhoun County, MIMI133,4081955–

2534Dickinson County, MIMI25,8271955–

2535Barton County, MOMO11,7951955–

2536Meagher County, MTMT2,1371955–

2537Saunders County, NENE23,7021955–

2538Mora County, NMNM4,0511955–

2539Darke County, OHOH51,5201955–

2540Harrison County, OHOH14,0701955–

2541Lucas County, OHOH423,3471955–

2542Mahoning County, OHOH224,7061955–

2543Tuscarawas County, OHOH92,3731955–

2544Brule County, SDSD5,2781955–

2545Baylor County, TXTX3,4721955–

2546Haskell County, TXTX5,4991955–

2547Marshall County, WVWV29,1591955–

2548Crawford County, ILIL18,6481955–

2549Pepin County, WIWI7,5131955–

2550DeKalb County, ININ44,5351955–

2551St. Joseph County, ININ272,8611955–

2552McIntosh County, NDND2,4511955–

2553Pottawattamie County, IAIA92,9961955–

2554Northampton County, PAPA324,4111955–

2555Lincoln County, COCO5,6451955–

2556Logan County, ILIL27,1821955–

2557Moultrie County, ILIL14,3711955–

2558Fayette County, ININ23,5331955–

2559Fulton County, ININ20,0911955–

2560Union County, ININ6,8631955–

2561Vanderburgh County, ININ181,9951955–

2562Winnebago County, IAIA10,2511955–

2563Gove County, KSKS2,6311955–

2564Logan County, KSKS2,6611955–

2565Reno County, KSKS61,5391955–

2566Mason County, KYKY16,9361955–

2567Toole County, MTMT5,2111955–

2568Treasure County, MTMT7281955–

2569Coleman County, TXTX7,9151955–

2570Iron County, WIWI6,1271955–

2571Jefferson County, WIWI86,5051955–

2572Trempealeau County, WIWI31,1711955–

2573Cook County, ILIL5,194,6251954–

2574Dickens County, TXTX1,6921954–

2575Blackford County, ININ11,7301954–

2576Androscoggin County, MEME116,4871954–

2577Hampden County, MAMA464,3381954–

2578Norfolk County, MAMA739,7491954–

2579Worcester County, MAMA888,5021954–

2580Lenawee County, MIMI97,7791954–

2581Kittson County, MNMN4,0311954–

2582Marshall County, MNMN8,7981954–

2583Red Lake County, MNMN3,9401954–

2584Wibaux County, MTMT8851954–

2585Gage County, NENE21,7111954–

2586Holt County, NENE10,0671954–

2587Kearney County, NENE6,7901954–

2588White Pine County, NVNV8,6611954–

2589Bergen County, NJNJ977,0261954–

2590Chenango County, NYNY45,7151954–

2591Jefferson County, NYNY111,5401954–

2592Madison County, NYNY67,1201954–

2593Schuyler County, NYNY16,9241954–

2594Barnes County, NDND10,5731954–

2595Hettinger County, NDND2,4921954–

2596Columbiana County, OHOH99,3771954–

2597Crawford County, OHOH41,8961954–

2598Henry County, OHOH27,5981954–

2599Marion County, OHOH65,1151954–

2600Cimarron County, OKOK2,0591954–

2601Tillman County, OKOK6,7801954–

2602Baker County, OROR16,6581954–

2603Columbia County, PAPA66,1931954–

2604Elk County, PAPA29,9261954–

2605Erie County, PAPA265,8321954–

2606Mercer County, PAPA107,8601954–

2607Mifflin County, PAPA46,1271954–

2608Sullivan County, PAPA5,8561954–

2609Warren County, PAPA37,0381954–

2610Marshall County, SDSD4,4261954–

2611Perkins County, SDSD2,8531954–

2612Childress County, TXTX6,6431954–

2613Cottle County, TXTX1,2241954–

2614Hall County, TXTX2,7371954–

2615Runnels County, TXTX9,6931954–

2616Shackelford County, TXTX3,1971954–

2617Wahkiakum County, WAWA4,8731954–

2618Tipton County, ININ15,3191954–

2619Kiowa County, COCO1,4121954–

2620Logan County, COCO20,6541954–

2621Macoupin County, ILIL43,7481954–

2622Vermilion County, ILIL71,2591954–

2623Whiteside County, ILIL54,1211954–

2624Henry County, ININ49,1371954–

2625Bremer County, IAIA25,2961954–

2626Clay County, IAIA16,2021954–

2627Davis County, IAIA9,2301954–

2628Jackson County, IAIA19,2881954–

2629Sioux County, IAIA36,7741954–

2630Gray County, KSKS5,6521954–

2631Cherry County, NENE5,5611954–

2632Wayne County, NYNY91,2501954–

2633Multnomah County, OROR795,3911953–

2634Lake County, COCO7,5521953–

2635Campbell County, KYKY95,4411953–

2636Pope County, MNMN11,4201953–

2637Holt County, MOMO4,2001953–

2638Shelby County, MOMO5,8701953–

2639Brown County, NENE2,8261953–

2640Hooker County, NENE6861953–

2641Rock County, NENE1,2591953–

2642De Baca County, NMNM1,6471953–

2643Albany County, NYNY321,2251953–

2644Ashtabula County, OHOH96,7131953–

2645Hardin County, OHOH30,0721953–

2646Ellis County, OKOK3,6131953–

2647Harmon County, OKOK2,3271953–

2648Woods County, OKOK8,4431953–

2649Clatsop County, OROR40,9261953–

2650Wallowa County, OROR7,5951953–

2651Beaver County, PAPA166,0321953–

2652Berks County, PAPA440,0721953–

2653Carbon County, PAPA65,8681953–

2654Clearfield County, PAPA78,1001953–

2655Washington County, PAPA210,8021953–

2656Harding County, SDSD1,3311953–

2657Lake County, SDSD10,9931953–

2658Armstrong County, TXTX1,8431953–

2659Mason County, TXTX3,9901953–

2660Clark County, WIWI35,0521953–

2661Jefferson County, OHOH63,5971953–

2662Lawrence County, ILIL13,7901953–

2663Douglas County, WIWI43,9901953–

2664Red Willow County, NENE10,3071953–

2665Nassau County, NYNY1,398,9391953–

2666Decatur County, IAIA7,6551953–

2667Richmond, VAVA237,2571953–

2668De Witt County, ILIL15,1181953–

2669Allamakee County, IAIA14,2381953–

2670Cerro Gordo County, IAIA42,3721953–

2671Crawford County, IAIA16,2371953–

2672Hancock County, IAIA10,5281953–

2673Jones County, IAIA21,2531953–

2674Mahaska County, IAIA21,8801953–

2675Morris County, KSKS5,3481953–

2676Neosho County, KSKS15,6371953–

2677Sumner County, KSKS22,3121953–

2678Chase County, NENE3,7181953–

2679Hardeman County, TXTX3,2921953–

2680Dodge County, WIWI89,0971953–

2681Wayne County, MIMI1,769,0381952–

2682Lane County, KSKS1,5081952–

2683Freeborn County, MNMN30,4401952–

2684Rock County, MNMN9,5241952–

2685St. Louis County, MNMN200,5181952–

2686Buchanan County, MOMO83,5401952–

2687Gentry County, MOMO6,3841952–

2688Fergus County, MTMT11,8251952–

2689Golden Valley County, MTMT8441952–

2690Passaic County, NJNJ531,6241952–

2691Union County, NMNM3,8441952–

2692Bronx County, NYNY1,406,3321952–

2693Steuben County, NYNY91,8551952–

2694Traill County, NDND7,9201952–

2695Cuyahoga County, OHOH1,232,9251952–

2696Sandusky County, OHOH58,6551952–

2697Gilliam County, OROR1,9711952–

2698Delaware County, PAPA580,9371952–

2699Bristol County, RIRI50,0011952–

2700Beadle County, SDSD19,6241952–

2701Gregory County, SDSD4,0371952–

2702Roberts County, SDSD10,2551952–

2703Juab County, UTUT13,5671952–

2704Harrison County, WVWV64,2211952–

2705McDowell County, WVWV16,8781952–

2706Marion County, WVWV55,5841952–

2707Manitowoc County, WIWI81,7101952–

2708Sheboygan County, WIWI118,0471952–

2709Wabash County, ININ30,7131952–

2710Golden Valley County, NDND1,8081952–

2711Carroll County, ININ20,6551952–

2712Shoshone County, IDID14,1301952–

2713Adams County, ILIL64,2671952–

2714Cass County, ILIL12,4631952–

2715Franklin County, ILIL36,9161952–

2716Henry County, ILIL48,0951952–

2717Iroquois County, ILIL26,1501952–

2718Livingston County, ILIL35,0571952–

2719Marshall County, ILIL11,4731952–

2720Schuyler County, ILIL6,6571952–

2721Fountain County, ININ17,0131952–

2722Knox County, ININ35,6521952–

2723Miami County, ININ34,4871952–

2724Vigo County, ININ106,5121952–

2725Wayne County, ININ66,1691952–

2726Buena Vista County, IAIA20,4491952–

2727Carroll County, IAIA20,3031952–

2728Floyd County, IAIA14,9011952–

2729Jefferson County, IAIA15,2911952–

2730Marshall County, IAIA39,8901952–

2731Monroe County, IAIA7,4061952–

2732Plymouth County, IAIA25,6971952–

2733Bourbon County, KSKS14,3191952–

2734Graham County, KSKS2,3711952–

2735Pawnee County, KSKS5,9911952–

2736Trego County, KSKS2,7401952–

2737Cheyenne County, NENE9,5281952–

2738Westchester County, NYNY1,015,7431952–

2739Jefferson County, PAPA43,2551952–

2740Collingsworth County, TXTX2,4871952–

2741Roberts County, TXTX8671952–

2742Iowa County, WIWI23,9511952–

2743Milwaukee County, WIWI924,2161952–

2744Sullivan County, ININ20,8311951–

2745Orleans Parish, LALA362,1541951–

2746Bristol County, MAMA593,6401951–

2747Middlesex County, MAMA1,669,9791951–

2748Brown County, MNMN25,5171951–

2749Nobles County, MNMN22,3381951–

2750Redwood County, MNMN15,2651951–

2751Harrison County, MOMO8,2811951–

2752Linn County, MOMO11,8151951–

2753Adams County, NENE31,0711951–

2754Dawes County, NENE7,8581951–

2755Kimball County, NENE3,3911951–

2756Phelps County, NENE8,9941951–

2757Coos County, NHNH31,3431951–

2758Union County, NJNJ601,8631951–

2759Broome County, NYNY195,7361951–

2760Niagara County, NYNY208,9121951–

2761Seneca County, NYNY32,8831951–

2762LaMoure County, NDND4,1351951–

2763Steele County, NDND1,7971951–

2764Belmont County, OHOH64,4341951–

2765Allegheny County, PAPA1,225,0351951–

2766Armstrong County, PAPA63,6981951–

2767Venango County, PAPA49,3461951–

2768Edmunds County, SDSD4,0221951–

2769Loving County, TXTX521951–

2770Ashland County, WIWI16,2031951–

2771Kewaunee County, WIWI20,7581951–

2772Niobrara County, WYWY2,3411951–

2773Otero County, COCO17,6831951–

2774Bear Lake County, IDID6,7271951–

2775Christian County, ILIL33,4431951–

2776Jo Daviess County, ILIL21,5941951–

2777Knox County, ILIL47,7671951–

2778Stephenson County, ILIL43,2201951–

2779Warren County, ILIL16,2221951–

2780Emmet County, IAIA9,1071951–

2781Hardin County, IAIA16,4551951–

2782Humboldt County, IAIA9,4091951–

2783Webster County, IAIA36,8381951–

2784Atchison County, KSKS16,1721951–

2785Cowley County, KSKS34,3821951–

2786Labette County, KSKS19,6851951–

2787Meade County, KSKS3,8521951–

2788Phillips County, KSKS4,7281951–

2789Yates County, NYNY24,5471951–

2790Lycoming County, PAPA112,5871951–

2791Lexington, VAVA7,7691951–

2792Divide County, NDND2,1101950–

2793Emmons County, NDND3,2151950–

2794Teton County, MTMT6,4961950–

2795Griggs County, NDND2,2391950–

2796Crawford County, KSKS39,0081950–

2797Knox County, MEME41,1171950–

2798Essex County, MAMA826,6531950–

2799Franklin County, MAMA70,6981950–

2800Iron County, MIMI11,7571950–

2801Chippewa County, MNMN12,4061950–

2802Cottonwood County, MNMN11,4051950–

2803Grant County, MNMN6,0851950–

2804Martin County, MNMN19,4401950–

2805Mower County, MNMN40,9711950–

2806Murray County, MNMN7,9421950–

2807Renville County, MNMN14,3561950–

2808Wilkin County, MNMN6,2881950–

2809Winona County, MNMN50,5231950–

2810Grant County, NENE5611950–

2811Otoe County, NENE16,5311950–

2812Saline County, NENE14,9961950–

2813Erie County, NYNY946,7411950–

2814Essex County, NYNY36,4381950–

2815St. Lawrence County, NYNY105,4881950–

2816Logan County, NDND1,8591950–

2817Providence County, RIRI678,1791950–

2818Charles Mix County, SDSD9,3031950–

2819McPherson County, SDSD2,3471950–

2820Van Wert County, OHOH29,0131950–

2821Grant County, OKOK4,0671950–

2822Motley County, TXTX1,0431950–

2823Greene County, ILIL11,3131950–

2824LaSalle County, ILIL107,7731950–

2825Lee County, ILIL32,9141950–

2826Montgomery County, ILIL28,0761950–

2827Pike County, ILIL14,2311950–

2828Cass County, ININ37,8361950–

2829Jay County, ININ20,1181950–

2830Clinton County, IAIA46,0021950–

2831Grundy County, IAIA12,3611950–

2832Hamilton County, IAIA14,9441950–

2833Palo Alto County, IAIA8,8991950–

2834Allen County, KSKS12,3021950–

2835Anderson County, KSKS8,0181950–

2836Cherokee County, KSKS19,1051950–

2837Russell County, KSKS6,5811950–

2838Loup County, NENE5701950–

2839Lincoln County, WAWA11,9821950–

2840Buffalo County, WIWI13,3181950–

2841Vernon County, WIWI31,4431950–

2842Eddy County, NDND2,3291949–

2843Allegany County, NYNY46,8001949–

2844Chemung County, NYNY80,4151949–

2845Union County, IAIA11,8291949–

2846Watonwan County, MNMN11,4591949–

2847Essex County, NJNJ896,3791949–

2848Genesee County, NYNY58,4161949–

2849Seneca County, OHOH54,5221949–

2850Greene County, PAPA33,8851949–

2851Menard County, TXTX1,9561949–

2852San Saba County, TXTX5,7871949–

2853Richland County, WIWI17,0361949–

2854Des Moines County, IAIA38,0771949–

2855Lawrence County, PAPA83,9111949–

2856Bent County, COCO5,7161949–

2857Washington County, COCO4,7321949–

2858Franklin County, IDID15,8891949–

2859Oneida County, IDID5,0851949–

2860Edgar County, ILIL16,3231949–

2861Kossuth County, IAIA14,3221949–

2862Lee County, IAIA32,3061949–

2863Wright County, IAIA12,8011949–

2864Kiowa County, KSKS2,4321949–

2865Pratt County, KSKS9,1171949–

2866Rooks County, KSKS4,6461949–

2867Sanpete County, UTUT31,4531949–

2868Columbia County, WAWA4,1411949–

2869Carroll County, MOMO8,4171948–

2870Jackson County, MNMN9,8571948–

2871Prairie County, MTMT1,1121948–

2872Dundy County, NENE1,5681948–

2873Fillmore County, NENE5,4581948–

2874Knox County, NENE8,3351948–

2875Oneida County, NYNY226,3921948–

2876Queens County, NYNY2,358,1821948–

2877McHenry County, NDND5,1301948–

2878Sherman County, OROR2,0511948–

2879Cameron County, PAPA4,2111948–

2880Sheridan County, NENE4,8091948–

2881Washington County, NYNY59,3531948–

2882Crowley County, COCO5,6771948–

2883Huerfano County, COCO7,0111948–

2884Brown County, ILIL6,4011948–

2885Fulton County, ILIL32,9011948–

2886Mercer County, ILIL15,2291948–

2887Cedar County, IAIA18,3591948–

2888Cherokee County, IAIA11,3691948–

2889Chickasaw County, IAIA11,6631948–

2890Guthrie County, IAIA10,7821948–

2891Lucas County, IAIA8,8471948–

2892Wapello County, IAIA35,2101948–

2893Woodbury County, IAIA106,6491948–

2894Doniphan County, KSKS7,5941948–

2895Marion County, KSKS11,6341948–

2896Montgomery County, KSKS30,1771948–

2897Ness County, KSKS2,6171948–

2898Rice County, KSKS9,2661948–

2899Fayette County, PAPA123,0211948–

2900Piute County, UTUT1,5091948–

2901Lincoln County, MNMN5,5831947–

2902Pipestone County, MNMN9,2601947–

2903Sibley County, MNMN15,3561947–

2904Yellow Medicine County, MNMN9,4771947–

2905Atchison County, MOMO5,1751947–

2906Arthur County, NENE3961947–

2907Cattaraugus County, NYNY75,3901947–

2908Cortland County, NYNY45,8501947–

2909Rensselaer County, NYNY160,5101947–

2910Alfalfa County, OKOK5,6491947–

2911Blair County, PAPA119,5411947–

2912Grant County, SDSD7,5341947–

2913Hutchinson County, SDSD7,4131947–

2914Blaine County, NENE4581947–

2915District of Columbia, DCDC693,6451947–

2916Ford County, ILIL13,2161947–

2917Clinton County, ININ33,3221947–

2918Huntington County, ININ37,2241947–

2919Randolph County, ININ24,4381947–

2920Benton County, IAIA26,0041947–

2921Butler County, IAIA14,0491947–

2922Calhoun County, IAIA9,5621947–

2923Fremont County, IAIA6,5221947–

2924Allegany County, MDMD66,8481947–

2925Faribault County, MNMN13,8881946–

2926Swift County, MNMN9,7631946–

2927Daniels County, MTMT1,6121946–

2928Cambria County, PAPA128,9681946–

2929Covington, VAVA5,6801946–

2930Judith Basin County, MTMT2,1621946–

2931Merrick County, NENE7,9051946–

2932Hancock County, ILIL16,8031946–

2933Scott County, ILIL4,8661946–

2934O'Brien County, IAIA14,2201946–

2935Ringgold County, IAIA4,6421946–

2936Harper County, KSKS5,3701946–

2937Wilson County, KSKS8,2991946–

2938Baltimore, MDMD569,9971945–

2939Berkshire County, MAMA128,2241945–

2940Big Stone County, MNMN5,0541945–

2941Worth County, MOMO1,9141945–

2942Day County, SDSD5,4841945–

2943Wabaunsee County, KSKS7,0181945–

2944Mitchell County, IAIA10,6501945–

2945Barber County, KSKS4,0831945–

2946Benton County, ININ8,8831945–

2947Cass County, IAIA12,9601945–

2948Iowa County, IAIA16,5041945–

2949Madison County, IAIA17,2701945–

2950Shelby County, IAIA11,6891945–

2951Dickinson County, KSKS18,6371945–

2952Morrill County, NENE4,4041945–

2953Carroll County, ILIL15,4191944–

2954Decatur County, KSKS2,7161944–

2955Colfax County, NENE10,9341944–

2956Nemaha County, NENE7,1021944–

2957Schenectady County, NYNY162,5811944–

2958Wyandot County, OHOH21,5671944–

2959Ohio County, WVWV40,4961944–

2960Las Animas County, COCO14,3911944–

2961Vermillion County, ININ15,4881944–

2962Lyon County, IAIA12,3541944–

2963Page County, IAIA14,8561944–

2964Sac County, IAIA9,5251944–

2965Washington County, IAIA22,6671944–

2966Wayne County, IAIA6,7381944–

2967Winneshiek County, IAIA19,7331944–

2968Cheyenne County, KSKS2,6041944–

2969Hodgeman County, KSKS1,6191944–

2970Woodson County, KSKS3,1181944–

2971Foard County, TXTX1,0441944–

2972Perkins County, NENE2,8491943–

2973Hamlin County, SDSD6,9001943–

2974Silver Bow County, MTMT36,1181943–

2975Hitchcock County, NENE2,4671943–

2976Keya Paha County, NENE7921943–

2977Thayer County, NENE4,8421943–

2978Franklin County, NYNY46,5001943–

2979New York County, NYNY1,664,8621943–

2980Nelson County, NDND2,9631943–

2981McKean County, PAPA38,9841943–

2982Bon Homme County, SDSD7,2441943–

2983Moody County, SDSD6,6321943–

2984Caledonia County, VTVT30,4141943–

2985Lafayette County, WIWI17,4781943–

2986Greenwood County, KSKS5,8261943–

2987Osborne County, KSKS3,2851943–

2988Boone County, IAIA26,7991943–

2989Franklin County, IAIA9,8681943–

2990Howard County, IAIA9,4151943–

2991Chase County, KSKS2,5721943–

2992Cloud County, KSKS8,8331943–

2993Kingman County, KSKS7,0291943–

2994Norman County, MNMN6,3361942–

2995Traverse County, MNMN3,1301942–

2996Garfield County, NENE1,7101942–

2997Harding County, NMNM6171942–

2998Slope County, NDND6281942–

2999Campbell County, SDSD1,3771942–

3000Deuel County, SDSD4,4081942–

SHOWING 2,501–3,000 OF 3,122

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