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RANKING · 2000 CENSUS · 500 SHOWN OF 3,125

Most densely populated, US counties · 2000

US counties ranked by residents per square mile (2000).

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RANKPLACESTATEPOPPOPULATION DENSITYVS 1990
2501Union County, OROR25,90012+4%
2502Lincoln County, MNMN5,58312−7%
2503Pope County, ILIL3,67212+1%
2504Johnson County, NENE5,21812−4%
2505Baker County, GAGA2,72512+13%
2506Blanco County, TXTX13,58112+41%
2507Montgomery County, ARAR8,57912+18%
2508Live Oak County, TXTX11,92912+29%
2509Mariposa County, CACA16,91812+20%
2510Benewah County, IDID10,50812+16%
2511Pendleton County, WVWV5,82612+2%
2512Atchison County, MOMO5,17512−14%
2513Montezuma County, COCO26,67812+28%
2514Carter County, MOMO5,41812+8%
2515Morgan County, UTUT13,38312+29%
2516Mackinac County, MIMI11,23612+12%
2517Coal County, OKOK5,43612+4%
2518Big Stone County, MNMN5,05412−7%
2519Mohave County, AZAZ228,10212+66%
2520Forest County, PAPA6,61412+3%
2521Holt County, MOMO4,20012−11%
2522Howard County, NENE6,53812+8%
2523Fillmore County, NENE5,45812−7%
2524Grant County, SDSD7,53412−6%
2525Grant County, MNMN6,08511+1%
2526Washita County, OKOK10,88411+1%
2527Stewart County, GAGA4,63111−7%
2528Scotland County, MOMO4,79611+3%
2529Webster County, GAGA2,36911+6%
2530Parmer County, TXTX9,67811+2%
2531Juneau, AKAK31,60911+15%
2532Box Butte County, NENE10,49411−7%
2533Fairbanks North Star, AKAK93,97211+7%
2534Iron County, MIMI11,757110%
2535Chariton County, MOMO7,37711−8%
2536Logan County, COCO20,65411+17%
2537Sullivan County, MOMO5,73811+14%
2538Aroostook County, MEME66,60911−15%
2539Childress County, TXTX6,64311+29%
2540Tensas Parish, LALA3,70011−7%
2541Runnels County, TXTX9,69311+2%
2542Hamlin County, SDSD6,90011+11%
2543Gila County, AZAZ53,80111+28%
2544Stephens County, TXTX9,38011+7%
2545Alger County, MIMI8,64111+10%
2546Elbert County, COCO30,53411+106%
2547Klamath County, OROR70,27411+11%
2548Taliaferro County, GAGA1,66211+8%
2549Jefferson County, OROR25,74011+39%
2550Tillman County, OKOK6,78011−11%
2551Mitchell County, TXTX8,94711+21%
2552Tyrrell County, NCNC3,53711+8%
2553Adams County, IAIA3,61711−8%
2554Thayer County, NENE4,84211−9%
2555Lac qui Parle County, MNMN6,70411−10%
2556Sheridan County, WYWY33,24111+13%
2557Newton County, ARAR7,02610+12%
2558Cotton County, OKOK5,43210−1%
2559Florence County, WIWI4,74810+11%
2560Iron County, UTUT67,14110+62%
2561Klickitat County, WAWA24,33110+15%
2562Ringgold County, IAIA4,64210+1%
2563Ramsey County, NDND11,53010−5%
2564Refugio County, TXTX6,65710−2%
2565Bayfield County, WIWI16,78710+7%
2566McCook County, SDSD5,96410+3%
2567Chaves County, NMNM63,36410+6%
2568Clay County, TXTX10,76410+10%
2569Putnam County, MOMO4,54610+3%
2570Kiowa County, OKOK8,18110−10%
2571Kingman County, KSKS7,02910+5%
2572Wasco County, OROR26,31010+10%
2573Red Lake County, MNMN3,94010−5%
2574Hutchinson County, SDSD7,41310−2%
2575Forest County, WIWI9,57410+14%
2576Mitchell County, KSKS5,59010−4%
2577Sevier County, UTUT22,82710+22%
2578Stutsman County, NDND21,41410−1%
2579Texas County, OKOK20,32210+22%
2580Hamilton County, TXTX8,68010+6%
2581Traill County, NDND7,92010−3%
2582Ochiltree County, TXTX9,28410−1%
2583Archer County, TXTX9,12910+11%
2584Navajo County, AZAZ109,94610+26%
2585Roseau County, MNMN15,24610+9%
2586Essex County, VTVT6,05110+1%
2587Baraga County, MIMI8,16910+10%
2588Pocahontas County, WVWV7,60210+1%
2589Walsh County, NDND10,17910−10%
2590Gaines County, TXTX23,95610+2%
2591Jack County, TXTX9,56310+26%
2592Pawnee County, KSKS5,99110−4%
2593Bath County, VAVA4,07610+5%
2594Hyde County, NCNC4,55410+8%
2595Williams County, NDND41,76710−6%
2596Wilkin County, MNMN6,28810−5%
2597Uinta County, WYWY20,7289+6%
2598Greer County, OKOK5,3739−8%
2599Elmore County, IDID29,4659+37%
2600Otero County, NMNM70,3689+20%
2601Swisher County, TXTX6,7039+3%
2602Mahnomen County, MNMN5,1539+3%
2603Castro County, TXTX7,2959−9%
2604Yoakum County, TXTX7,4389−17%
2605Nance County, NENE3,2909−6%
2606Calhoun County, ARAR4,6329−1%
2607Ellsworth County, KSKS6,2579−1%
2608Boone County, NENE5,3559−6%
2609Roberts County, SDSD10,2559+1%
2610Iron County, WIWI6,1279+12%
2611Jefferson County, OKOK5,4319−3%
2612Zavala County, TXTX9,0379−5%
2613Worth County, MOMO1,9149−2%
2614Echols County, GAGA3,6859+61%
2615Prowers County, COCO11,8849+9%
2616Nuckolls County, NENE4,1009−13%
2617Morris County, KSKS5,3489−2%
2618Antelope County, NENE6,3529−6%
2619Wabaunsee County, KSKS7,0189+4%
2620Andrews County, TXTX18,9149−9%
2621Knox County, MOMO3,7289−3%
2622Ottawa County, KSKS5,7449+9%
2623Adams County, WAWA21,4889+21%
2624Norman County, MNMN6,3369−7%
2625Winkler County, TXTX7,5409−17%
2626Charles Mix County, SDSD9,3039+2%
2627Knox County, NENE8,3358−2%
2628Brooks County, TXTX6,5798−3%
2629Walworth County, SDSD5,2178−2%
2630Clinch County, GAGA6,8478+12%
2631Luna County, NMNM25,4078+38%
2632Clearwater County, MNMN8,6478+1%
2633Liberty County, FLFL8,0358+26%
2634Aitkin County, MNMN16,2528+23%
2635Pend Oreille County, WAWA14,4578+32%
2636Pushmataha County, OKOK10,8078+6%
2637Keith County, NENE8,1008+3%
2638Cassia County, IDID26,3978+10%
2639Routt County, COCO25,3298+40%
2640Russell County, KSKS6,5818−6%
2641Shannon County, MOMO7,2858+9%
2642Mercer County, NDND8,4418−12%
2643Mercer County, MOMO3,4048+1%
2644Reynolds County, MOMO5,99280%
2645Cheyenne County, NENE9,5288+4%
2646Valley County, NENE4,0948−10%
2647Harper County, KSKS5,3708−8%
2648Plumas County, CACA18,5838+5%
2649Republic County, KSKS4,6408−10%
2650Goliad County, TXTX7,2088+16%
2651Douglas County, SDSD2,8888−8%
2652Bailey County, TXTX6,9638−7%
2653Major County, OKOK7,5368−6%
2654Barnes County, NDND10,5738−6%
2655Crosby County, TXTX4,8528−3%
2656Floyd County, TXTX4,8818−9%
2657Grant County, NMNM27,2528+12%
2658Lewis County, IDID3,7048+7%
2659Luce County, MIMI6,3398+22%
2660Boundary County, IDID13,9978+18%
2661Cameron Parish, LALA4,7188+8%
2662Dimmit County, TXTX8,0248−2%
2663McCulloch County, TXTX7,4728−7%
2664Pembina County, NDND6,5688−7%
2665Thomas County, KSKS7,7258−1%
2666Woodson County, KSKS3,1188−8%
2667Schoolcraft County, MIMI8,1878+7%
2668Okanogan County, WAWA45,2308+19%
2669Stevens County, KSKS4,9848+8%
2670Albany County, WYWY38,5587+4%
2671Haskell County, KSKS3,5997+11%
2672Lassen County, CACA28,1177+23%
2673Furnas County, NENE4,5247−4%
2674Box Elder County, UTUT65,3207+17%
2675Roosevelt County, NMNM18,6157+8%
2676Lynn County, TXTX6,0177−3%
2677Archuleta County, COCO14,3067+85%
2678Duval County, TXTX9,4027+2%
2679Coleman County, TXTX7,9157−5%
2680Graham County, AZAZ40,1577+26%
2681Washington County, KSKS5,5337−8%
2682Hanson County, SDSD3,4567+5%
2683Deuel County, SDSD4,4087−1%
2684Traverse County, MNMN3,1307−7%
2685Blaine County, IDID25,5177+40%
2686Pawnee County, NENE2,5107−7%
2687Scott County, KSKS4,8157−3%
2688Carson County, TXTX5,8057−1%
2689Woods County, OKOK8,44370%
2690Webster County, NENE3,3367−5%
2691Siskiyou County, CACA42,0137+2%
2692Alfalfa County, OKOK5,6497−5%
2693Rio Arriba County, NMNM39,8327+20%
2694Campbell County, WYWY48,1457+15%
2695Crowley County, COCO5,6777+40%
2696Meade County, SDSD30,7117+11%
2697Kingsbury County, SDSD5,2847−2%
2698Ouray County, COCO5,2657+63%
2699Mills County, TXTX4,5807+14%
2700Washington County, IDID11,5837+17%
2701Harlan County, NENE3,0007−1%
2702Ransom County, NDND5,6177−1%
2703Chautauqua County, KSKS3,3217−1%
2704Hardeman County, TXTX3,2927−11%
2705Gray County, KSKS5,6527+9%
2706Norton County, KSKS5,28870%
2707Phillips County, KSKS4,7287−9%
2708Haskell County, TXTX5,4997−11%
2709Grand County, COCO16,4967+56%
2710Greenwood County, KSKS5,8267−2%
2711Park County, COCO18,3147+102%
2712Bear Lake County, IDID6,7277+5%
2713Brule County, SDSD5,2787−2%
2714Conejos County, COCO7,5297+13%
2715Todd County, SDSD8,8637+8%
2716Phillips County, COCO4,4207+7%
2717Dawes County, NENE7,85860%
2718Crook County, OROR27,5646+36%
2719Sherman County, KSKS5,7636−2%
2720Rooks County, KSKS4,6466−6%
2721San Miguel County, NMNM26,2606+17%
2722Fremont County, IDID14,2086+8%
2723Coconino County, AZAZ144,3686+20%
2724Franklin County, NENE2,7956−9%
2725Apache County, AZAZ64,4456+13%
2726Harmon County, OKOK2,3276−13%
2727Highland County, VAVA2,3186−4%
2728Day County, SDSD5,4846−10%
2729Jefferson County, MTMT13,3296+27%
2730Stafford County, KSKS4,0056−11%
2731Ontonagon County, MIMI5,8236−12%
2732Skamania County, WAWA12,6696+19%
2733Foster County, NDND3,2126−6%
2734Sherman County, NENE2,9246−11%
2735Hansford County, TXTX4,9446−8%
2736Tooele County, UTUT87,4616+53%
2737Wheeler County, TXTX4,7736−10%
2738Hill County, MTMT16,1676−6%
2739Marshall County, MNMN8,7986−8%
2740Cibola County, NMNM26,8076+8%
2741Goshen County, WYWY12,6406+1%
2742Uintah County, UTUT38,2786+14%
2743Park County, MTMT18,2146+8%
2744Edwards County, KSKS2,6406−9%
2745Issaquena County, MSMS1,2636+19%
2746Marshall County, SDSD4,4265−6%
2747Baker County, OROR16,6585+9%
2748Garza County, TXTX4,5105−5%
2749San Saba County, TXTX5,7875+15%
2750Morrow County, OROR12,6025+44%
2751Power County, IDID8,2465+6%
2752Lake County, MNMN10,7465+6%
2753Shoshone County, IDID14,1305−1%
2754Lincoln County, MTMT22,3285+8%
2755Kearny County, KSKS3,8885+13%
2756Martin County, TXTX5,2845−4%
2757Grant County, OKOK4,0675−10%
2758San Miguel County, COCO7,7535+81%
2759Crane County, TXTX4,5545−14%
2760Dickey County, NDND4,8955−6%
2761Sargent County, NDND3,7115−4%
2762Smith County, KSKS3,5665−11%
2763Elk County, KSKS2,4585−2%
2764Miner County, SDSD2,2815−12%
2765Torrance County, NMNM16,1005+64%
2766Benson County, NDND5,7595−3%
2767Sedgwick County, COCO2,2475+2%
2768Knox County, TXTX3,1925−12%
2769Osborne County, KSKS3,2855−9%
2770Reeves County, TXTX12,1385−17%
2771Lincoln County, KSKS2,8615−2%
2772Spink County, SDSD6,1555−7%
2773Rush County, KSKS2,8455−8%
2774Huerfano County, COCO7,0115+31%
2775Churchill County, NVNV25,8515+34%
2776Fisher County, TXTX3,6925−10%
2777Cochran County, TXTX2,5465−15%
2778Kittson County, MNMN4,0315−8%
2779Morton County, KSKS2,47050%
2780Holt County, NENE10,0675−8%
2781Deuel County, NENE1,8625−6%
2782Greeley County, NENE2,1545−10%
2783Dewey County, OKOK4,2075−15%
2784Custer County, COCO5,5905+82%
2785Meade County, KSKS3,8525+9%
2786Gregory County, SDSD4,0375−11%
2787Baylor County, TXTX3,4725−7%
2788Sanborn County, SDSD2,3885−6%
2789Barber County, KSKS4,0835−10%
2790Columbia County, WAWA4,1415+1%
2791Gosper County, NENE1,8035+11%
2792Custer County, SDSD9,4315+18%
2793Carbon County, MTMT11,4665+18%
2794Jim Hogg County, TXTX4,5555+3%
2795Greenlee County, AZAZ9,3125+7%
2796Richland County, MTMT11,3775−10%
2797Koochiching County, MNMN11,5875−12%
2798Pierce County, NDND3,8385−7%
2799Custer County, NENE10,5005−4%
2800Teton County, WYWY23,3335+63%
2801Stillwater County, MTMT9,4455+25%
2802Chase County, NENE3,7185−7%
2803Kiowa County, KSKS2,4325−10%
2804Boyd County, NENE1,6745−14%
2805Roosevelt County, MTMT10,2425−3%
2806Duchesne County, UTUT20,8564+14%
2807Glacier County, MTMT13,4634+9%
2808McLean County, NDND9,7404−11%
2809Lincoln County, WAWA11,9824+15%
2810La Paz County, AZAZ16,7114+42%
2811Hitchcock County, NENE2,4674−17%
2812Eddy County, NDND2,3294−7%
2813Jerauld County, SDSD1,6544−5%
2814Real County, TXTX2,7454+26%
2815Piscataquis County, MEME17,4094−8%
2816Clark County, SDSD4,0314−6%
2817Aurora County, SDSD2,8014−2%
2818Buffalo County, SDSD1,8024+16%
2819Gunnison County, COCO17,4394+36%
2820Kimball County, NENE3,39140%
2821Bottineau County, NDND6,2844−11%
2822Fall River County, SDSD7,4674+1%
2823Hall County, TXTX2,7374−3%
2824Keweenaw County, MIMI2,1864+35%
2825Coke County, TXTX3,4124+13%
2826Platte County, WYWY8,6344+8%
2827Mono County, CACA12,5054+29%
2828Jewell County, KSKS2,8304−11%
2829Yuma County, COCO9,8964+10%
2830Caribou County, IDID7,2524+5%
2831Dallam County, TXTX7,5084+14%
2832Donley County, TXTX3,2134+4%
2833LaMoure County, NDND4,1354−13%
2834Trinity County, CACA15,72040%
2835Butte County, SDSD10,8564+15%
2836Concho County, TXTX3,6074+30%
2837Mason County, TXTX3,9904+9%
2838Lincoln County, NMNM19,8444+59%
2839Wells County, NDND3,7294−13%
2840Tripp County, SDSD5,7084−7%
2841Bent County, COCO5,7164+19%
2842Pondera County, MTMT6,07240%
2843La Salle County, TXTX6,5174+12%
2844Chase County, KSKS2,57240%
2845Fremont County, WYWY39,4644+6%
2846Griggs County, NDND2,2394−17%
2847Decatur County, KSKS2,7164−14%
2848Edmunds County, SDSD4,02240%
2849Morrill County, NENE4,40440%
2850Dawson County, MTMT8,6924−5%
2851Hartley County, TXTX4,9044+52%
2852Nelson County, NDND2,9634−16%
2853Colfax County, NMNM12,1844+10%
2854Trego County, KSKS2,7404−10%
2855Sierra County, CACA3,0984+7%
2856Park County, WYWY31,1714+11%
2857Kit Carson County, COCO7,0694+12%
2858Sanders County, MTMT14,0624+18%
2859Washakie County, WYWY7,5974−1%
2860Hemphill County, TXTX3,0834−10%
2861Sioux County, NDND3,6674+8%
2862Broadwater County, MTMT8,4934+32%
2863Big Horn County, WYWY12,0244+9%
2864Clearwater County, IDID9,1184+5%
2865Mountrail County, NDND9,3954−6%
2866Perkins County, NENE2,8494−5%
2868Sweetwater County, WYWY41,2674−3%
2869Lincoln County, WYWY21,1804+15%
2870Kimble County, TXTX4,4384+8%
2871Cook County, MNMN5,5224+34%
2872Stanton County, KSKS1,9864+3%
2873Quay County, NMNM8,4544−6%
2874Pecos County, TXTX14,5604+15%
2875Wichita County, KSKS2,0314−8%
2876Boise County, IDID8,5454+90%
2877Collingsworth County, TXTX2,4873−10%
2879McIntosh County, NDND2,4513−16%
2880Sherman County, TXTX2,7813+11%
2881Oneida County, IDID5,0853+18%
2882Harper County, OKOK3,1723−12%
2883Garfield County, WAWA2,4163+7%
2884Lincoln County, IDID5,6033+22%
2885Garfield County, NENE1,7103−11%
2886Ellis County, OKOK3,6133−9%
2887Ferry County, WAWA7,5173+15%
2888Lipscomb County, TXTX2,9553−3%
2889Graham County, KSKS2,3713−17%
2890Cavalier County, NDND3,4973−20%
2891Beaver County, OKOK4,8823−3%
2892Ness County, KSKS2,6173−14%
2893Malheur County, OROR32,2613+21%
2894McHenry County, NDND5,1303−8%
2895Las Animas County, COCO14,3913+10%
2896Mineral County, MTMT5,1853+17%
2897Frontier County, NENE2,65530%
2898Sierra County, NMNM11,3953+34%
2899Steele County, NDND1,7973−7%
2900Sheridan County, KSKS2,4273−8%
2901Hamilton County, NYNY5,0063+2%
2902Potter County, SDSD2,3773−16%
2903Cheyenne County, KSKS2,6043−2%
2904Kenai Peninsula, AKAK61,9513+22%
2905Custer County, MTMT12,03430%
2906Powell County, MTMT7,1573+8%
2907Sitka, AKAK8,3193+3%
2908Dickens County, TXTX1,6923+7%
2909Bennett County, SDSD3,3073+11%
2910Roger Mills County, OKOK3,2593−17%
2911Lane County, KSKS1,5083−9%
2912Costilla County, COCO3,6793+15%
2913Renville County, NDND2,3313−17%
2914Ketchikan Gateway, AKAK13,5493+2%
2915Brown County, NENE2,8263−4%
2916Emmons County, NDND3,2153−10%
2917Gove County, KSKS2,6313−5%
2918Oliver County, NDND1,8983−13%
2919Logan County, KSKS2,6613−1%
2920Teton County, MTMT6,4963+3%
2921Converse County, WYWY13,8243+8%
2922Reagan County, TXTX3,1663−26%
2923Towner County, NDND2,0403−21%
2924Sutton County, TXTX3,2033−1%
2925Bowman County, NDND2,7623−10%
2926Moffat County, COCO13,1223+16%
2927Rawlins County, KSKS2,4313−13%
2928Weston County, WYWY6,8403+2%
2929Toole County, MTMT5,2113+4%
2930Upton County, TXTX3,1313−23%
2931Fergus County, MTMT11,8253−2%
2932Socorro County, NMNM15,8383+22%
2933Faulk County, SDSD2,1783−4%
2934Mora County, NMNM4,0513+21%
2935Hamilton County, KSKS2,5003+12%
2936Elko County, NVNV54,8153+35%
2937Adams County, NDND2,2753−18%
2938Menard County, TXTX1,9563+5%
2939Bristol Bay, AKAK8473−11%
2940Hand County, SDSD3,1213−12%
2941Dewey County, SDSD5,4193+8%
2942McPherson County, SDSD2,3473−10%
2943Adams County, IDID5,0133+7%
2944Sheridan County, NENE4,8093−8%
2945Big Horn County, MTMT12,7523+12%
2946Comanche County, KSKS1,6732−15%
2947Dundy County, NENE1,5682−11%
2948Kinney County, TXTX3,1282+8%
2949Clark County, KSKS1,9002−1%
2950Sheridan County, MTMT3,4362−13%
2951Hot Springs County, WYWY4,6002+2%
2952Emery County, UTUT10,1772+5%
2953Campbell County, SDSD1,3772−9%
2954Juab County, UTUT13,5672+42%
2955Hodgeman County, KSKS1,6192−4%
2956Musselshell County, MTMT5,5822+10%
2957Matanuska-Susitna, AKAK118,6662+49%
2958Hettinger County, NDND2,4922−21%
2959Modoc County, CACA8,4262−2%
2960Lyman County, SDSD3,6942+7%
2961Armstrong County, TXTX1,8432+6%
2962Lincoln County, COCO5,6452+34%
2963Sherman County, OROR2,0512+1%
2964Logan County, NDND1,8592−19%
2965Beaver County, UTUT7,3012+26%
2966Grand County, UTUT9,7902+28%
2967Foard County, TXTX1,0442−10%
2968Wallowa County, OROR7,5952+5%
2969Schleicher County, TXTX2,2452−2%
2970Cottle County, TXTX1,2242−15%
2971Valley County, IDID12,8312+25%
2972Kodiak Island, AKAK12,3872+5%
2973McKenzie County, NDND15,1922−10%
2974Crook County, WYWY7,8522+11%
2975Kidder County, NDND2,3932−17%
2976Burke County, NDND2,1322−25%
2977Throckmorton County, TXTX1,5542−2%
2978Briscoe County, TXTX1,4742−9%
2979Carbon County, WYWY14,0132−6%
2980Greeley County, KSKS1,1822−14%
2981Washington County, COCO4,7322+2%
2982Sweet Grass County, MTMT3,7622+14%
2983Hyde County, SDSD1,1912−1%
2984Golden Valley County, NDND1,8082−9%
2985Stanley County, SDSD3,0182+13%
2986Wallace County, KSKS1,4412−4%
2987Madison County, MTMT10,0262+14%
2988Rich County, UTUT2,6872+14%
2989Presidio County, TXTX5,4332+10%
2990Piute County, UTUT1,5092+12%
2991Rosebud County, MTMT8,2532−11%
2992Saguache County, COCO6,7322+28%
2993Rio Blanco County, COCO6,68320%
2994Stonewall County, TXTX1,1862−16%
2995San Juan County, UTUT14,5422+14%
2996Idaho County, IDID17,8742+13%
2997Millard County, UTUT14,0572+9%
2998Divide County, NDND2,1102−21%
2999Dunn County, NDND4,0582−10%
3000Nye County, NVNV57,3362+83%
SHOWING 2,501–3,000 OF 3,125

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