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RANKING · 1990 CENSUS · 500 SHOWN OF 3,122

Youngest by median age, US counties · 1990

US counties with the youngest median age (1990 ACS).

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RELATEDLargest foreign-born populationMost residents with a disabilityLargest veteran populationMost uninsured peopleLargest senior populationMost unmarried people
YEAR19902000201020202024
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RANKPLACESTATEPOPMEDIAN AGEVS –
2501Ida County, IAIA6,77737.0
2502Butler County, NENE8,50737.0
2503Iroquois County, ILIL26,15037.1
2504Freeborn County, MNMN30,44037.1
2505Nelson County, VAVA14,92037.1
2506Washington County, COCO4,73237.1
2507Union County, NMNM3,84437.1
2508Livingston County, MOMO14,70837.1
2509Reynolds County, MOMO5,99237.1
2510Emporia, VAVA5,44737.1
2511Lunenburg County, VAVA12,05837.1
2512Cheboygan County, MIMI25,79337.1
2513Renville County, NDND2,33137.1
2514Marion County, WVWV55,58437.1
2515Mackinac County, MIMI11,23637.1
2516Shelby County, IAIA11,68937.1
2517Bayfield County, WIWI16,78737.1
2518Audrain County, MOMO24,52837.1
2519Douglas County, SDSD2,88837.1
2520Major County, OKOK7,53637.1
2521Gage County, NENE21,71137.1
2522Putnam County, FLFL77,73437.2
2523Martin County, MNMN19,44037.2
2524Carroll County, TNTN29,20037.2
2525Beaver County, PAPA166,03237.2
2526McMullen County, TXTX54437.2
2527Brunswick County, NCNC174,70237.2
2528Shoshone County, IDID14,13037.2
2529Valley County, IDID12,83137.2
2530Summers County, WVWV11,53237.2
2531Montrose County, COCO44,59137.2
2532Fulton County, KYKY6,21837.2
2533Halifax County, VAVA33,44737.2
2534Cherokee County, IAIA11,36937.2
2535Hamilton County, IAIA14,94437.2
2536Siskiyou County, CACA42,01337.2
2537Clay County, TXTX10,76437.2
2538McNairy County, TNTN26,23637.2
2539Kingman County, KSKS7,02937.2
2540Modoc County, CACA8,42637.2
2541Douglas County, MOMO12,34237.2
2542Glascock County, GAGA3,14137.2
2543Wapello County, IAIA35,21037.2
2544McLean County, NDND9,74037.2
2545Jackson County, TXTX15,39337.3
2546Storey County, NVNV4,26037.3
2547Essex County, VAVA10,65437.3
2548Wayne County, ILIL15,88237.3
2549Clay County, NENE6,17037.3
2550Iron County, MOMO9,31837.3
2551Gibson County, TNTN51,77937.3
2552Green County, KYKY11,64437.3
2553Foster County, NDND3,21237.3
2554Tuolumne County, CACA53,16037.3
2555Tama County, IAIA16,79637.3
2556Lawrence County, PAPA83,91137.3
2557Otter Tail County, MNMN61,04137.3
2558Garvin County, OKOK26,37737.3
2559Dickey County, NDND4,89537.3
2560Rappahannock County, VAVA7,43937.3
2561Lincoln County, MEME36,59537.3
2562Colorado County, TXTX21,43937.3
2563Mower County, MNMN40,97137.3
2564Bates County, MOMO16,51237.3
2565Greenbrier County, WVWV31,57837.3
2566Roanoke County, VAVA97,15037.3
2567Hardin County, ILIL3,58837.3
2568Alleghany County, VAVA14,54637.4
2569Carroll County, ILIL15,41937.4
2570Hancock County, ILIL16,80337.4
2571Cotton County, OKOK5,43237.4
2572Palo Alto County, IAIA8,89937.4
2573Carbon County, PAPA65,86837.4
2574Mitchell County, TXTX8,94737.4
2575Benzie County, MIMI18,56837.4
2576Chaffee County, COCO20,83137.4
2577Howard County, IAIA9,41537.4
2578Roane County, TNTN57,39537.4
2579Howard County, NENE6,53837.4
2580Chippewa County, MNMN12,40637.4
2581Dickinson County, KSKS18,63737.4
2582Lincoln County, NMNM19,84437.4
2583DeWitt County, TXTX20,30937.4
2584Washington County, FLFL26,69537.4
2585Jack County, TXTX9,56337.4
2586Woods County, OKOK8,44337.4
2587Hitchcock County, NENE2,46737.4
2588Cambria County, PAPA128,96837.4
2589Bon Homme County, SDSD7,24437.4
2590Morrill County, NENE4,40437.5
2591Warren County, NCNC18,89837.5
2592Washington County, PAPA210,80237.5
2593Pittsburg County, OKOK43,32037.5
2594Kimball County, NENE3,39137.5
2595Edwards County, ILIL5,89837.5
2596Tucker County, WVWV6,54037.5
2597Yellow Medicine County, MNMN9,47737.5
2598Harmon County, OKOK2,32737.5
2599Johnson County, WYWY8,90837.5
2600Edgar County, ILIL16,32337.5
2601Caldwell County, MOMO9,01237.5
2602Richmond County, VAVA9,29437.5
2603Shenandoah County, VAVA45,83937.5
2604Mitchell County, KSKS5,59037.5
2605Daviess County, MOMO8,55837.5
2606Mecklenburg County, VAVA30,74737.5
2607Danville, VAVA41,64737.5
2608Keokuk County, IAIA9,79737.5
2609Schoolcraft County, MIMI8,18737.5
2610Monroe County, WVWV12,49137.5
2611Brooke County, WVWV21,14237.5
2612Henderson County, ILIL5,98437.6
2613Dent County, MOMO14,58437.6
2614Monroe County, IAIA7,40637.6
2615Wallowa County, OROR7,59537.6
2616Fergus County, MTMT11,82537.6
2617Arthur County, NENE39637.6
2618Sheridan County, KSKS2,42737.6
2619Cameron County, PAPA4,21137.6
2620Barry County, MOMO36,20037.6
2621Johnson County, TNTN18,71837.6
2622Bottineau County, NDND6,28437.6
2623Frontier County, NENE2,65537.6
2624Mineral County, COCO91037.6
2625Marshall County, ILIL11,47337.6
2626Meagher County, MTMT2,13737.6
2627Coos County, OROR63,99237.6
2628Pawnee County, KSKS5,99137.6
2629Haskell County, OKOK11,78737.6
2630Perquimans County, NCNC13,49037.6
2631Allegany County, MDMD66,84837.7
2632Shackelford County, TXTX3,19737.7
2633Jefferson County, OHOH63,59737.7
2634Carroll County, VAVA29,29937.7
2635Houston County, TNTN8,47937.7
2636Barber County, KSKS4,08337.7
2637Hill County, TXTX39,50337.7
2638Catron County, NMNM3,82737.7
2639Caldwell County, KYKY12,60937.7
2640Cape May County, NJNJ93,39037.7
2641Hubbard County, MNMN22,36937.7
2642McPherson County, NENE36937.7
2643Cimarron County, OKOK2,05937.7
2644Ohio County, WVWV40,49637.7
2645Sac County, IAIA9,52537.7
2646Van Buren County, IAIA7,13137.7
2647Pike County, ILIL14,23137.7
2648Accomack County, VAVA33,85937.7
2649Westmoreland County, PAPA349,32437.7
2650Hamlin County, SDSD6,90037.7
2651Sargent County, NDND3,71137.7
2652Cumberland County, TNTN66,30037.7
2653Bergen County, NJNJ977,02637.7
2654Perry County, TNTN9,12637.7
2655Schuyler County, ILIL6,65737.7
2656Hancock County, WVWV27,72937.7
2657Floyd County, IAIA14,90137.8
2658Jackson County, TNTN12,46637.8
2659Lackawanna County, PAPA216,50237.8
2660Knox County, TXTX3,19237.8
2661Sherman County, OROR2,05137.8
2662Carter County, MTMT1,38337.8
2663Perkins County, NENE2,84937.8
2664Ravalli County, MTMT48,58237.8
2665Fremont County, COCO50,03937.8
2666Floyd County, VAVA15,78937.8
2667Broward County, FLFL2,013,31737.8
2668Lawrence County, ILIL13,79037.8
2669Madison County, MTMT10,02637.8
2670Cumberland County, KYKY5,99237.8
2671Gilliam County, OROR1,97137.8
2672Logan County, KSKS2,66137.8
2673Leon County, TXTX16,89437.8
2674Clearwater County, IDID9,11837.8
2675Los Alamos County, NMNM19,40737.8
2676Stonewall County, TXTX1,18637.8
2677Stark County, ILIL5,31937.8
2678Lane County, KSKS1,50837.8
2679Northumberland County, PAPA89,92037.8
2680Bristol, VAVA16,41837.9
2681Northampton County, VAVA11,87937.9
2682Amador County, CACA41,87637.9
2683Sioux County, NENE1,18837.9
2684Belmont County, OHOH64,43437.9
2685McCulloch County, TXTX7,47237.9
2686Unicoi County, TNTN17,85637.9
2687Trinity County, CACA15,72037.9
2688Butler County, IAIA14,04937.9
2689Pickett County, TNTN5,21937.9
2690Yancey County, NCNC19,08437.9
2691Hayes County, NENE82137.9
2692Massac County, ILIL13,50237.9
2693Morgan County, WVWV18,02737.9
2694Franklin County, IAIA9,86837.9
2695Ellsworth County, KSKS6,25738.0
2696Hartley County, TXTX4,90438.0
2697Worcester County, MDMD54,45938.0
2698Baker County, OROR16,65838.0
2699Washburn County, WIWI17,08738.0
2700Union County, ILIL16,65638.0
2701Franklin County, ILIL36,91638.0
2702Sullivan County, PAPA5,85638.0
2703Carlisle County, KYKY4,74738.0
2704San Jacinto County, TXTX29,48838.0
2705Carroll County, ARAR29,26338.0
2706Gasconade County, MOMO14,78438.0
2707Marshall County, KYKY31,65938.0
2708Gove County, KSKS2,63138.0
2709Dukes County, MAMA21,21938.0
2710Las Animas County, COCO14,39138.0
2711Otoe County, NENE16,53138.0
2712Sheridan County, NENE4,80938.0
2713Appanoose County, IAIA12,07738.0
2714Aransas County, TXTX26,14638.1
2715Van Zandt County, TXTX66,13038.1
2716St. Lucie County, FLFL402,44938.1
2717Atchison County, MOMO5,17538.1
2718Grayson County, VAVA15,23038.1
2719Lemhi County, IDID8,47438.1
2720Wheeler County, TXTX4,77338.1
2721Franklin County, TXTX10,99438.1
2722Pamlico County, NCNC12,75838.1
2723Kiowa County, OKOK8,18138.1
2724Deuel County, NENE1,86238.1
2725Harding County, NMNM61738.1
2726Polk County, ARAR19,48638.1
2727Marin County, CACA253,69438.2
2728Cass County, MNMN31,43038.2
2729Hot Springs County, WYWY4,60038.2
2730Hardin County, IAIA16,45538.2
2731Towner County, NDND2,04038.2
2732Anderson County, KSKS8,01838.2
2733Giles County, VAVA16,56438.2
2734Gregory County, SDSD4,03738.2
2735Craig County, OKOK14,51838.2
2736Sawyer County, WIWI18,84638.2
2737Manistee County, MIMI25,65638.2
2738Dewey County, OKOK4,20738.2
2739Ness County, KSKS2,61738.2
2740Carroll County, MOMO8,41738.2
2741Luzerne County, PAPA332,12638.2
2742Murray County, MNMN7,94238.2
2743Deer Lodge County, MTMT9,70938.2
2744Kidder County, NDND2,39338.2
2745Rains County, TXTX13,54238.3
2746Hamilton County, KSKS2,50038.3
2747Calhoun County, ILIL4,30038.3
2748Henry County, MOMO22,67138.3
2749Kiowa County, KSKS2,43238.3
2750White County, ILIL13,25038.3
2751McCook County, SDSD5,96438.3
2752Fillmore County, NENE5,45838.3
2753Saline County, ILIL22,77238.3
2754Niobrara County, WYWY2,34138.3
2755Montgomery County, IAIA10,00238.3
2756Pocahontas County, WVWV7,60238.3
2757Clallam County, WAWA78,20238.3
2758Martinsville, VAVA13,84938.4
2759Dixie County, FLFL18,03838.4
2760Cook County, MNMN5,52238.4
2761Pope County, MNMN11,42038.4
2762Benton County, TNTN16,18338.4
2763Holt County, MOMO4,20038.4
2764Lyon County, KYKY9,12338.4
2765Armstrong County, TXTX1,84338.4
2766Stafford County, KSKS4,00538.4
2767Macon County, MOMO15,19038.4
2768Colonial Heights, VAVA18,73838.4
2769Aurora County, SDSD2,80138.4
2770Fremont County, IAIA6,52238.4
2771Worth County, IAIA7,33838.4
2772Westmoreland County, VAVA19,71538.4
2773Pushmataha County, OKOK10,80738.4
2774Transylvania County, NCNC34,21138.4
2775Hand County, SDSD3,12138.5
2776Page County, IAIA14,85638.5
2777Scott County, VAVA21,20038.5
2778Waushara County, WIWI25,22338.5
2779Cavalier County, NDND3,49738.5
2780Nowata County, OKOK9,52238.5
2781LaMoure County, NDND4,13538.5
2782Marshall County, KSKS9,85238.5
2783Cass County, IAIA12,96038.5
2784Franklin County, FLFL13,02938.5
2785Ransom County, NDND5,61738.5
2786Ocean County, NJNJ673,74638.5
2787Kittson County, MNMN4,03138.5
2788Wheatland County, MTMT2,10038.6
2789Phillips County, COCO4,42038.6
2790Judith Basin County, MTMT2,16238.6
2791Mitchell County, IAIA10,65038.6
2792Deuel County, SDSD4,40838.6
2793Trego County, KSKS2,74038.6
2794Lucas County, IAIA8,84738.6
2795Presque Isle County, MIMI13,12838.6
2796Schuylkill County, PAPA145,08538.6
2797Levy County, FLFL48,52038.6
2798Jeff Davis County, TXTX1,71138.6
2799Patrick County, VAVA17,42438.6
2800Rawlins County, KSKS2,43138.6
2801Rooks County, KSKS4,64638.6
2802Dade County, MOMO7,80438.7
2803Blanco County, TXTX13,58138.7
2804Jefferson County, OKOK5,43138.7
2805Oneida County, WIWI38,13138.7
2806Collingsworth County, TXTX2,48738.7
2807Faribault County, MNMN13,88838.7
2808Humboldt County, IAIA9,40938.7
2809Ashe County, NCNC27,51438.7
2810Eastland County, TXTX18,14338.7
2811Burt County, NENE6,67838.7
2812Henderson County, TXTX88,59538.7
2813Briscoe County, TXTX1,47438.7
2814Lavaca County, TXTX20,65138.7
2815Norman County, MNMN6,33638.8
2816Hyde County, SDSD1,19138.8
2817Hinsdale County, COCO75338.8
2818Dundy County, NENE1,56838.8
2819Norton County, KSKS5,28838.8
2820Fannin County, GAGA26,11138.8
2821Gila County, AZAZ53,80138.8
2822Sherman County, NENE2,92438.8
2823Decatur County, TNTN11,82038.8
2824Columbia County, WAWA4,14138.8
2825Moore County, NCNC110,61938.9
2826Falls Church, VAVA15,15938.9
2827Polk County, NENE5,27038.9
2828Scotland County, MOMO4,79638.9
2829Chariton County, MOMO7,37738.9
2830Inyo County, CACA18,15838.9
2831Mitchell County, NCNC15,06238.9
2832Marshall County, SDSD4,42638.9
2833Grant County, OKOK4,06738.9
2834Schuyler County, MOMO4,14038.9
2835Grundy County, IAIA12,36138.9
2836Wright County, IAIA12,80138.9
2837Graham County, KSKS2,37139.0
2838Nottoway County, VAVA15,79639.0
2839Murray County, OKOK13,80539.0
2840Monroe County, FLFL80,40639.0
2841Harper County, OKOK3,17239.0
2842Clark County, SDSD4,03139.0
2843Linn County, MOMO11,81539.0
2844Keya Paha County, NENE79239.0
2845Walton County, FLFL93,28839.0
2846Plumas County, CACA18,58339.0
2847Cloud County, KSKS8,83339.1
2848Miner County, SDSD2,28139.1
2849Baca County, COCO3,34739.1
2850Piute County, UTUT1,50939.1
2851Faulk County, SDSD2,17839.1
2852Hickman County, KYKY4,37239.1
2853Burnett County, WIWI17,22339.1
2854Brown County, NENE2,82639.1
2855Marion County, KSKS11,63439.1
2856Union County, GAGA27,85939.1
2857Stone County, ARAR12,70339.1
2858Carbon County, MTMT11,46639.1
2859Ottawa County, KSKS5,74439.1
2860Potter County, SDSD2,37739.1
2861Pocahontas County, IAIA6,81939.1
2862Marquette County, WIWI15,92739.2
2863Lincoln County, WAWA11,98239.2
2864Cherokee County, NCNC30,83039.2
2865Lake County, MNMN10,74639.2
2866Perkins County, SDSD2,85339.2
2867Cottonwood County, MNMN11,40539.2
2868Custer County, NENE10,50039.2
2869Montague County, TXTX21,96639.2
2870Bath County, VAVA4,07639.2
2871Adair County, IAIA7,40339.3
2872Trigg County, KYKY14,51239.3
2873Campbell County, SDSD1,37739.3
2874Kinney County, TXTX3,12839.3
2875Turner County, SDSD9,31439.3
2876Day County, SDSD5,48439.3
2877Greene County, IAIA8,65839.3
2878Galax, VAVA6,67039.3
2879Custer County, COCO5,59039.3
2880Granite County, MTMT3,65839.3
2881Henry County, TNTN32,89639.4
2882Wilson County, KSKS8,29939.4
2883Ellis County, OKOK3,61339.4
2884Lac qui Parle County, MNMN6,70439.4
2885Nevada County, CACA101,91139.4
2886Hardeman County, TXTX3,29239.4
2887Linn County, KSKS9,95039.4
2888Adams County, NDND2,27539.4
2889Musselshell County, MTMT5,58239.4
2890Stewart County, TNTN14,43939.4
2891Alleghany County, NCNC11,47939.4
2892Richardson County, NENE7,53039.4
2893Polk County, TXTX53,43439.4
2894Dickinson County, IAIA18,07739.4
2895McHenry County, NDND5,13039.4
2896Loup County, NENE57039.5
2897Shelby County, MOMO5,87039.5
2898Sweet Grass County, MTMT3,76239.5
2899Chase County, KSKS2,57239.5
2900Grant County, NDND2,20639.5
2901Grundy County, MOMO9,74439.5
2902Swift County, MNMN9,76339.5
2903Delta County, TXTX5,54939.5
2904Hamilton County, ILIL7,85939.5
2905Huerfano County, COCO7,01139.5
2906Steele County, NDND1,79739.5
2907Barnstable County, MAMA233,53939.5
2908Mariposa County, CACA16,91839.5
2909Harper County, KSKS5,37039.5
2910Lincoln County, OROR50,63639.6
2911Bandera County, TXTX22,87639.6
2912Calhoun County, IAIA9,56239.6
2913Volusia County, FLFL606,57339.6
2914Sheridan County, MTMT3,43639.6
2915Fayette County, TXTX25,45939.7
2916Morris County, KSKS5,34839.7
2917Marion County, TXTX9,89639.7
2918Hamilton County, NYNY5,00639.7
2919Talbot County, MDMD38,23839.7
2920Clay County, ARAR14,05239.7
2921Fisher County, TXTX3,69239.7
2922San Saba County, TXTX5,78739.7
2923Taylor County, IAIA5,83539.7
2924Decatur County, KSKS2,71639.8
2925Jefferson County, NENE7,07039.8
2926Kingsbury County, SDSD5,28439.8
2927Haywood County, NCNC63,36939.8
2928Ouray County, COCO5,26539.8
2929Edwards County, KSKS2,64039.8
2930Calaveras County, CACA46,60539.8
2931Gentry County, MOMO6,38439.8
2932Fannin County, TXTX39,26539.8
2933Clay County, KSKS7,99039.8
2934Walworth County, SDSD5,21739.9
2935Clay County, NCNC12,23939.9
2936Wood County, TXTX49,68839.9
2937Gogebic County, MIMI14,28539.9
2938Covington, VAVA5,68039.9
2939Tyler County, TXTX20,44339.9
2940Delaware County, OKOK41,91039.9
2941Gallatin County, ILIL4,61640.0
2942Emmons County, NDND3,21540.0
2943Josephine County, OROR87,86740.0
2944Sumter County, FLFL157,77240.0
2945Searcy County, ARAR7,84840.0
2946Palm Beach County, FLFL1,575,72640.0
2947Wahkiakum County, WAWA4,87340.0
2948Red River County, TXTX11,81640.0
2949Pierce County, NDND3,83840.1
2950Wayne County, MOMO10,78240.1
2951Glades County, FLFL13,27040.1
2952Nuckolls County, NENE4,10040.1
2953Guthrie County, IAIA10,78240.1
2954Burnet County, TXTX57,01540.1
2955Eddy County, NDND2,32940.1
2956Valley County, NENE4,09440.2
2957Marion County, FLFL442,66040.2
2958Mohave County, AZAZ228,10240.2
2959Johnson County, NENE5,21840.2
2960Comanche County, TXTX14,43240.3
2961Adams County, WIWI21,75240.3
2962Edmunds County, SDSD4,02240.3
2963Rabun County, GAGA17,76440.3
2964Lake County, MIMI13,18240.3
2965Audubon County, IAIA5,50940.4
2966Throckmorton County, TXTX1,55440.4
2967Russell County, KSKS6,58140.4
2968Ontonagon County, MIMI5,82340.4
2969Alfalfa County, OKOK5,64940.4
2970Montgomery County, ARAR8,57940.4
2971Kent County, TXTX67440.4
2972Adams County, IAIA3,61740.5
2973Grant County, MNMN6,08540.5
2974Oscoda County, MIMI8,72340.5
2975Childress County, TXTX6,64340.5
2976Taney County, MOMO57,00140.5
2977Fulton County, ARAR12,49240.6
2978Big Stone County, MNMN5,05440.6
2979Gosper County, NENE1,80340.6
2980Knox County, NENE8,33540.7
2981Lake County, CACA67,77240.7
2982Phillips County, KSKS4,72840.7
2983Pacific County, WAWA24,35740.7
2984Oregon County, MOMO8,70940.7
2985Hughes County, OKOK13,45540.7
2986Sedgwick County, COCO2,24740.8
2987Griggs County, NDND2,23940.8
2988Forest County, PAPA6,61440.8
2989Haskell County, TXTX5,49940.8
2990Collier County, FLFL417,13140.8
2991Highland County, VAVA2,31840.8
2992Garfield County, NENE1,71040.8
2993Clark County, KSKS1,90040.8
2994Lincoln County, MNMN5,58340.8
2995Tillamook County, OROR27,38440.9
2996San Augustine County, TXTX7,72240.9
2997Garland County, ARAR99,69540.9
2998Hettinger County, NDND2,49240.9
2999Washington County, KSKS5,53340.9
3000Kerr County, TXTX54,03741.0
SHOWING 2,501–3,000 OF 3,122
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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS