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RANKING · 2020 CENSUS · 500 SHOWN OF 3,135

Most densely populated, US counties · 2020

US counties ranked by residents per square mile (2023).

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YEAR19902000201020202025
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RANKPLACESTATEPOPPOPULATION DENSITYVS 2000
2501Searcy County, ARAR7,84812−5%
2502Kemper County, MSMS8,60012−14%
2503Logan County, COCO20,65412+5%
2504Klamath County, OROR70,27412+9%
2505Murray County, MNMN7,94212−11%
2506Stewart County, GAGA4,63112+1%
2507Richland County, NDND16,73112−8%
2508Ozark County, MOMO9,17211−10%
2509Cameron County, PAPA4,21111−24%
2510Howard County, NENE6,53811−1%
2511Cedar County, NENE8,37311−13%
2512Harrison County, MOMO8,28111−8%
2513Sevier County, UTUT22,82711+14%
2514Price County, WIWI13,98811−11%
2515Parmer County, TXTX9,67811−1%
2516Wasco County, OROR26,31011+12%
2517Webster County, GAGA2,36911−2%
2518Gila County, AZAZ53,80111+4%
2519Monroe County, ARAR6,24411−34%
2520Marshall County, KSKS9,85211−8%
2521Red River County, TXTX11,81611−19%
2522Grant County, SDSD7,53411−4%
2523Grant County, MNMN6,08511−3%
2524Taylor County, IAIA5,83511−15%
2525Scott County, ARAR9,96511−11%
2526Bayfield County, WIWI16,78711+8%
2527Oregon County, MOMO8,70911−17%
2528Ochiltree County, TXTX9,28411+11%
2529Live Oak County, TXTX11,92911−8%
2530Washita County, OKOK10,88411−5%
2531Montgomery County, ARAR8,57911−8%
2532Scotland County, MOMO4,79611−5%
2533Chaves County, NMNM63,36411+6%
2534Navajo County, AZAZ109,94611+9%
2535Adams County, WAWA21,48811+25%
2536Woodruff County, ARAR5,71011−28%
2537Clay County, NENE6,17011−13%
2538Mackinac County, MIMI11,23611−9%
2539Routt County, COCO25,32911+26%
2540Lincoln County, MNMN5,58311−12%
2541Texas County, OKOK20,32210+6%
2542Big Stone County, MNMN5,05410−11%
2543Tooele County, UTUT87,46110+78%
2544Otero County, NMNM70,36810+9%
2545Carter County, MOMO5,41810−12%
2546Pope County, ILIL3,67210−15%
2547Coal County, OKOK5,43610−13%
2548Stephens County, TXTX9,38010−6%
2549Box Butte County, NENE10,49410−11%
2550Aroostook County, MEME66,60910−9%
2551Box Elder County, UTUT65,32010+35%
2552Iron County, MIMI11,75710−11%
2553McCook County, SDSD5,96410−3%
2554Archuleta County, COCO14,30610+35%
2555Mitchell County, TXTX8,94710−7%
2556Chariton County, MOMO7,37710−12%
2557Hamilton County, TXTX8,68010−0%
2558Uinta County, WYWY20,72810+4%
2559Campbell County, WYWY48,14510+40%
2560Ramsey County, NDND11,53010−4%
2561Stutsman County, NDND21,41410−1%
2562Dallas County, ARAR6,01110−30%
2563Mahnomen County, MNMN5,15310+4%
2564Atchison County, MOMO5,17510−17%
2565Alger County, MIMI8,64110−10%
2566Fillmore County, NENE5,45810−16%
2567Yoakum County, TXTX7,43810+5%
2568Cassia County, IDID26,39710+15%
2569Pend Oreille County, WAWA14,45710+14%
2570Childress County, TXTX6,64310−13%
2571Liberty County, FLFL8,03510+14%
2572Boundary County, IDID13,99710+22%
2573Archer County, TXTX9,1299−3%
2574Runnels County, TXTX9,6939−14%
2575Blaine County, OKOK8,5159−27%
2576Clay County, TXTX10,7649−7%
2577Florence County, WIWI4,7489−10%
2578Roberts County, SDSD10,2559+3%
2579Elmore County, IDID29,4659−2%
2580Jack County, TXTX9,5639−3%
2581Traill County, NDND7,9209−6%
2582Winkler County, TXTX7,5409+9%
2583Sullivan County, MOMO5,7389−17%
2584Blaine County, IDID25,5179+28%
2585Roseau County, MNMN15,2469−6%
2586Hutchinson County, SDSD7,4139−8%
2587Holt County, MOMO4,2009−21%
2588Red Lake County, MNMN3,9409−8%
2589Baraga County, MIMI8,1699−7%
2590Forest County, WIWI9,5749−8%
2591Putnam County, MOMO4,5469−10%
2592Ouray County, COCO5,2659+30%
2593Essex County, VTVT6,0519−8%
2594Ellsworth County, KSKS6,2579−2%
2595Pendleton County, WVWV5,8269−25%
2596Sharkey County, MSMS3,0979−42%
2597Newton County, ARAR7,0269−16%
2598Echols County, GAGA3,6859−2%
2599Lac qui Parle County, MNMN6,7049−17%
2600Thayer County, NENE4,8429−17%
2601Refugio County, TXTX6,6579−14%
2602Adams County, IAIA3,6179−17%
2603Cotton County, OKOK5,4329−16%
2604Ringgold County, IAIA4,6429−15%
2605Albany County, WYWY38,5589+16%
2606Wilkin County, MNMN6,2889−9%
2607Wabaunsee County, KSKS7,0189−0%
2608Kingman County, KSKS7,0299−14%
2609Aitkin County, MNMN16,2529+3%
2610Meade County, SDSD30,7119+23%
2611Greer County, OKOK5,3739−9%
2612Luna County, NMNM25,4079+2%
2613Charles Mix County, SDSD9,3039+0%
2614Clearwater County, MNMN8,6479+1%
2615Grand County, COCO16,4969+26%
2616Baker County, GAGA2,7258−29%
2617Kiowa County, OKOK8,1818−17%
2618Pocahontas County, WVWV7,6028−14%
2619Bailey County, TXTX6,9638+5%
2620Graham County, AZAZ40,1578+15%
2621Crook County, OROR27,5648+29%
2622Tyrrell County, NCNC3,5378−22%
2623Pawnee County, KSKS5,9918−14%
2624Clinch County, GAGA6,8478−2%
2625Mitchell County, KSKS5,5908−16%
2626Walsh County, NDND10,1798−15%
2627Castro County, TXTX7,2958−11%
2628Goliad County, TXTX7,2088+1%
2629Major County, OKOK7,5368+3%
2630Iron County, WIWI6,1278−11%
2631Taliaferro County, GAGA1,6628−25%
2632Mercer County, NDND8,4418−3%
2633Tillman County, OKOK6,7808−25%
2634Okanogan County, WAWA45,2308+6%
2635Hanson County, SDSD3,4568+10%
2636Ottawa County, KSKS5,7448−7%
2637Bath County, VAVA4,0768−17%
2638Uintah County, UTUT38,2788+41%
2639Park County, COCO18,3148+20%
2640Cheyenne County, NENE9,5288−4%
2641Keith County, NENE8,1008−6%
2642Roosevelt County, NMNM18,6158+7%
2643Boone County, NENE5,3558−14%
2644Swisher County, TXTX6,7038−17%
2645Mercer County, MOMO3,4048−6%
2646Coconino County, AZAZ144,3688+25%
2647Plumas County, CACA18,5838−5%
2648Pushmataha County, OKOK10,8078−7%
2649Morris County, KSKS5,3488−12%
2650Nance County, NENE3,2908−16%
2651Knox County, NENE8,3358−10%
2652Russell County, KSKS6,5818−9%
2653Reynolds County, MOMO5,9928−9%
2654Calhoun County, ARAR4,6328−17%
2655Crowley County, COCO5,6778+7%
2656Walworth County, SDSD5,2178−11%
2657Brooks County, TXTX6,5798−11%
2658Hyde County, NCNC4,5547−21%
2659Zavala County, TXTX9,0377−17%
2660Knox County, MOMO3,7287−14%
2661Worth County, MOMO1,9147−17%
2662Norman County, MNMN6,3367−13%
2663Thomas County, KSKS7,7257−3%
2664Lewis County, IDID3,7047−6%
2665Antelope County, NENE6,3527−16%
2666Prowers County, COCO11,8847−17%
2667Jefferson County, MTMT13,3297+20%
2668Barnes County, NDND10,5737−8%
2669Skamania County, WAWA12,6697+22%
2670Washington County, IDID11,5837+5%
2671Stevens County, KSKS4,9847−4%
2672Lassen County, CACA28,1177−3%
2673Fremont County, IDID14,2087+13%
2674Scott County, KSKS4,8157+1%
2675McCulloch County, TXTX7,4727−7%
2676Valley County, NENE4,0947−13%
2677Nuckolls County, NENE4,1007−19%
2678Grant County, NMNM27,2527−9%
2679Jefferson County, OKOK5,4317−22%
2680Siskiyou County, CACA42,0137−1%
2681Shannon County, MOMO7,2857−16%
2682Deuel County, SDSD4,4087−5%
2683Rio Arriba County, NMNM39,8327−2%
2684Tensas Parish, LALA3,7007−37%
2685Schoolcraft County, MIMI8,1877−10%
2686Harper County, KSKS5,3707−16%
2687Kalawao County, HIHI827−44%
2688Todd County, SDSD8,8637+3%
2689Woods County, OKOK8,4437−5%
2690Ransom County, NDND5,6177−3%
2691Phillips County, COCO4,4207+1%
2692Alfalfa County, OKOK5,6497−7%
2693Douglas County, SDSD2,8887−18%
2694Haskell County, KSKS3,5997−12%
2695Bear Lake County, IDID6,7277−1%
2696Oglala Lakota County, SDSD13,3387
2697Republic County, KSKS4,6407−20%
2698Garza County, TXTX4,5107+19%
2699Gray County, KSKS5,6527−4%
2700Dimmit County, TXTX8,0246−16%
2701Furnas County, NENE4,5246−13%
2702Brule County, SDSD5,2786−2%
2703Custer County, COCO5,5906+34%
2704Carson County, TXTX5,8056−11%
2705Lynn County, TXTX6,0176−15%
2706San Miguel County, COCO7,7536+22%
2707Woodson County, KSKS3,1186−18%
2708Kingsbury County, SDSD5,2846−11%
2709Norton County, KSKS5,2886−8%
2710Washington County, KSKS5,5336−15%
2711Park County, MTMT18,2146+10%
2712Pembina County, NDND6,5686−20%
2713Coleman County, TXTX7,9156−17%
2714Duchesne County, UTUT20,8566+36%
2715Morrow County, OROR12,6026+11%
2716Haskell County, TXTX5,4996−11%
2717Cibola County, NMNM26,8076+6%
2718Mills County, TXTX4,5806−13%
2719Crane County, TXTX4,5546+17%
2720Luce County, MIMI6,3396−24%
2721Webster County, NENE3,3366−16%
2722Pawnee County, NENE2,5106−18%
2723Apache County, AZAZ64,4456−5%
2724Dawes County, NENE7,8586−10%
2725Traverse County, MNMN3,1306−19%
2726Teton County, WYWY23,3336+28%
2727Conejos County, COCO7,5296−11%
2728San Miguel County, NMNM26,2606−10%
2729Hansford County, TXTX4,9446−2%
2730Martin County, TXTX5,2846+10%
2731Crosby County, TXTX4,8526−27%
2732Broadwater County, MTMT8,4936+54%
2733Hill County, MTMT16,1676−2%
2734Phillips County, KSKS4,7286−17%
2735Goshen County, WYWY12,6406−0%
2736Sherman County, KSKS5,7636−12%
2737Power County, IDID8,2466+5%
2738Reeves County, TXTX12,1386+12%
2739Harlan County, NENE3,0006−19%
2740Rooks County, KSKS4,6466−13%
2741Richland County, MTMT11,3776+19%
2742Duval County, TXTX9,4025−25%
2743Wheeler County, TXTX4,7735−6%
2744Lincoln County, MTMT22,3285+4%
2745Floyd County, TXTX4,8815−30%
2746Baker County, OROR16,6585−0%
2747Highland County, VAVA2,3185−12%
2748Mountrail County, NDND9,3955+48%
2749Foster County, NDND3,2125−10%
2750Custer County, SDSD9,4315+14%
2751McKenzie County, NDND15,1925+156%
2752Day County, SDSD5,4845−13%
2753Chautauqua County, KSKS3,3215−22%
2754Greenwood County, KSKS5,8265−22%
2755Sherman County, NENE2,9245−11%
2756Gunnison County, COCO17,4395+21%
2757Greenlee County, AZAZ9,3125+12%
2758Lake County, MNMN10,7465−1%
2759Churchill County, NVNV25,8515+6%
2760Stafford County, KSKS4,0055−15%
2761Marshall County, SDSD4,4265−6%
2762Carbon County, MTMT11,4665+10%
2763Hardeman County, TXTX3,2925−25%
2764Marshall County, MNMN8,7985−11%
2765Trinity County, CACA15,7205+24%
2766San Saba County, TXTX5,7875−7%
2767Franklin County, NENE2,7955−19%
2768Shoshone County, IDID14,1305−4%
2769Stillwater County, MTMT9,4455+9%
2770Lincoln County, WYWY21,1805+34%
2771Dallam County, TXTX7,5085+14%
2772Lincoln County, WAWA11,9825+7%
2773Edwards County, KSKS2,6405−16%
2774Harmon County, OKOK2,3275−24%
2775McLean County, NDND9,7405+5%
2776Glacier County, MTMT13,4635+4%
2777Roosevelt County, MTMT10,2425+2%
2778Kearny County, KSKS3,8885−12%
2779Butte County, SDSD10,8565+13%
2780Columbia County, WAWA4,1415−3%
2781Sargent County, NDND3,7114−12%
2782Torrance County, NMNM16,1004−11%
2783Sanders County, MTMT14,0624+21%
2784Dewey County, OKOK4,2074−5%
2785La Salle County, TXTX6,5174+14%
2786Ontonagon County, MIMI5,8234−26%
2787Dickey County, NDND4,8954−13%
2788Sedgwick County, COCO2,2474−12%
2789Cameron Parish, LALA4,7184−44%
2790Chase County, NENE3,7184−4%
2791Matanuska-Susitna, AKAK118,6664+81%
2792Mono County, CACA12,5054+3%
2793Benson County, NDND5,7594−14%
2794Huerfano County, COCO7,0114−13%
2795Fremont County, WYWY39,4644+10%
2796Park County, WYWY31,1714+15%
2797Lincoln County, IDID5,6034+27%
2798Jim Hogg County, TXTX4,5554−8%
2799Mason County, TXTX3,9904+6%
2800Piscataquis County, MEME17,4094−3%
2801Spink County, SDSD6,1554−15%
2802Yuma County, COCO9,8964+1%
2803Holt County, NENE10,0674−12%
2804Lincoln County, NMNM19,8444+4%
2805Deuel County, NENE1,8624−12%
2806Grant County, OKOK4,0674−19%
2807Meade County, KSKS3,8524−12%
2808Platte County, WYWY8,6344−2%
2809Buffalo County, SDSD1,8024−4%
2810Gosper County, NENE1,8034−12%
2811Rush County, KSKS2,8454−17%
2812Custer County, NENE10,5004−11%
2813Sanborn County, SDSD2,3884−13%
2814Lincoln County, KSKS2,8614−18%
2815Fisher County, TXTX3,6924−15%
2816Sweetwater County, WYWY41,2674+12%
2817Miner County, SDSD2,2814−20%
2818Fall River County, SDSD7,4674−6%
2819Clark County, SDSD4,0314−7%
2820Boise County, IDID8,5454+14%
2821Baylor County, TXTX3,4724−15%
2822Smith County, KSKS3,5664−21%
2823Caribou County, IDID7,2524−4%
2824Real County, TXTX2,7454−9%
2825Knox County, TXTX3,1924−21%
2826Gregory County, SDSD4,0374−17%
2827Osborne County, KSKS3,2854−21%
2828Pierce County, NDND3,8384−15%
2829Koochiching County, MNMN11,5874−16%
2830Aurora County, SDSD2,8014−10%
2831Cook County, MNMN5,5224+8%
2832Elk County, KSKS2,4584−24%
2833Greeley County, NENE2,1544−19%
2834Kittson County, MNMN4,0314−20%
2835Bottineau County, NDND6,2844−11%
2836Oneida County, IDID5,0854+11%
2837Keweenaw County, MIMI2,1864−11%
2838Dawson County, MTMT8,6924−1%
2839Bent County, COCO5,7164−6%
2840Hemphill County, TXTX3,0834+1%
2841Barber County, KSKS4,0834−20%
2842Eddy County, NDND2,3294−15%
2843Mineral County, MTMT5,1854+17%
2844Morton County, KSKS2,4704−23%
2845Hitchcock County, NENE2,4674−16%
2846La Paz County, AZAZ16,7114−16%
2847Hartley County, TXTX4,9044−3%
2848Big Horn County, WYWY12,0244+1%
2849Kenai Peninsula, AKAK61,9514+18%
2850Pondera County, MTMT6,0724−8%
2851Kimball County, NENE3,3914−16%
2852Coke County, TXTX3,4124−15%
2853LaMoure County, NDND4,1354−13%
2854Sioux County, NDND3,6674−4%
2855Clearwater County, IDID9,1184−2%
2856Edmunds County, SDSD4,0224−9%
2857Donley County, TXTX3,2134−15%
2858Tripp County, SDSD5,7083−13%
2859Juab County, UTUT13,5673+43%
2860Washakie County, WYWY7,5973−7%
2861Kimble County, TXTX4,4383−4%
2862Kiowa County, KSKS2,4323−25%
2863Shackelford County, TXTX3,1973−6%
2864Sierra County, CACA3,0983−9%
2865Concho County, TXTX3,6073−17%
2866Boyd County, NENE1,6743−26%
2867Chase County, KSKS2,5723−15%
2868Colfax County, NMNM12,1843−13%
2869Cochran County, TXTX2,5463−32%
2870Lipscomb County, TXTX2,9553+0%
2871Kit Carson County, COCO7,0693−12%
2872Ferry County, WAWA7,5173−1%
2873Griggs County, NDND2,2393−16%
2874Issaquena County, MSMS1,2633−41%
2875Perkins County, NENE2,8493−11%
2876Converse County, WYWY13,8243+14%
2877Jewell County, KSKS2,8303−23%
2878Garfield County, WAWA2,4163−5%
2879Adams County, IDID5,0133+26%
2880Valley County, IDID12,8313+54%
2881Morrill County, NENE4,4043−16%
2882Hall County, TXTX2,7373−25%
2883Malheur County, OROR32,2613−0%
2884Pecos County, TXTX14,5603−10%
2885Garfield County, NENE1,7103−5%
2886Jerauld County, SDSD1,6543−28%
2887Trego County, KSKS2,7403−15%
2888Harper County, OKOK3,1723−8%
2889Custer County, MTMT12,0343+1%
2890Wells County, NDND3,7293−22%
2891Elko County, NVNV54,8153+19%
2892Decatur County, KSKS2,7163−20%
2893Nelson County, NDND2,9633−19%
2894Stanton County, KSKS1,9863−13%
2895Las Animas County, COCO14,3913−4%
2896Ellis County, OKOK3,6133−8%
2897Quay County, NMNM8,4543−14%
2898Roger Mills County, OKOK3,2593+0%
2899Sherman County, TXTX2,7813−13%
2900Wichita County, KSKS2,0313−15%
2901Powell County, MTMT7,1573−3%
2902Hamilton County, NYNY5,0063−5%
2903Sitka, AKAK8,3193−4%
2905Collingsworth County, TXTX2,4873−17%
2906Reagan County, TXTX3,1663+2%
2907Ketchikan Gateway, AKAK13,5493−1%
2908Potter County, SDSD2,3773−8%
2909Skagway, AKAK1,1043
2910Bennett County, SDSD3,3073−5%
2911McHenry County, NDND5,1303−11%
2912Weston County, WYWY6,8403+3%
2913Costilla County, COCO3,6793−4%
2914Nye County, NVNV57,3363+59%
2915Moffat County, COCO13,1223+1%
2916Beaver County, OKOK4,8823−14%
2917Sierra County, NMNM11,3953−13%
2918Teton County, MTMT6,4963−3%
2919Beaver County, UTUT7,3013+18%
2920Sheridan County, KSKS2,4273−13%
2921Graham County, KSKS2,3713−18%
2922Upton County, TXTX3,1313−3%
2923Fergus County, MTMT11,8253−4%
2924Grand County, UTUT9,7903+14%
2925Big Horn County, MTMT12,7523+4%
2926Renville County, NDND2,3313−13%
2927Oliver County, NDND1,8983−9%
2928McIntosh County, NDND2,4513−25%
2929Toole County, MTMT5,2113−6%
2930Frontier County, NENE2,6553−19%
2931Bowman County, NDND2,7623−8%
2932Logan County, KSKS2,6613−9%
2933Cheyenne County, KSKS2,6043−17%
2934Gove County, KSKS2,6313−11%
2935Musselshell County, MTMT5,5823+5%
2936Hamilton County, KSKS2,5003−6%
2937Steele County, NDND1,7973−20%
2938Crook County, WYWY7,8523+22%
2939Ness County, KSKS2,6173−22%
2940Socorro County, NMNM15,8382−8%
2941Cavalier County, NDND3,4972−23%
2942Rich County, UTUT2,6872+28%
2943Madison County, MTMT10,0262+26%
2944Rawlins County, KSKS2,4312−14%
2945Brown County, NENE2,8262−18%
2946Wallowa County, OROR7,5952+2%
2947Sutton County, TXTX3,2032−17%
2948Hot Springs County, WYWY4,6002−5%
2949Kinney County, TXTX3,1282−7%
2950Dewey County, SDSD5,4192−12%
2951Sherman County, OROR2,0512−3%
2952Lyman County, SDSD3,6942−5%
2953Adams County, NDND2,2752−15%
2954Modoc County, CACA8,4262−8%
2955Emery County, UTUT10,1772−10%
2956Lincoln County, COCO5,6452−7%
2957Hettinger County, NDND2,4922−8%
2958Lane County, KSKS1,5082−27%
2959Hand County, SDSD3,1212−16%
2960Emmons County, NDND3,2152−24%
2961Dolores County, COCO2,4662+26%
2962Menard County, TXTX1,9562−17%
2963Mora County, NMNM4,0512−19%
2964Faulk County, SDSD2,1782−20%
2965Comanche County, KSKS1,6732−14%
2966McPherson County, SDSD2,3472−17%
2967Sheridan County, MTMT3,4362−14%
2968Towner County, NDND2,0402−25%
2969Sheridan County, NENE4,8092−17%
2970Stanley County, SDSD3,0182+8%
2971Clark County, KSKS1,9002−17%
2972Dunn County, NDND4,0582+14%
2973Johnson County, WYWY8,9082+19%
2974Armstrong County, TXTX1,8432−14%
2975Rio Blanco County, COCO6,6832+9%
2976Saguache County, COCO6,7322+8%
2977Hodgeman County, KSKS1,6192−17%
2978Burke County, NDND2,1322−2%
2979Sweet Grass County, MTMT3,7622+2%
2980Dickens County, TXTX1,6922−36%
2981Kodiak Island, AKAK12,3872−6%
2982Idaho County, IDID17,8742+7%
2983Kane County, UTUT8,5972+27%
2984Granite County, MTMT3,6582+17%
2985Washington County, COCO4,7322−2%
2986Millard County, UTUT14,0572+5%
2987Piute County, UTUT1,5092+0%
2988Logan County, NDND1,8592−19%
2989Fallon County, MTMT2,9592+7%
2990Campbell County, SDSD1,3772−23%
2991Schleicher County, TXTX2,2452−16%
2992Inyo County, CACA18,1582+6%
2993San Juan County, UTUT14,5422+1%
2994Carbon County, WYWY14,0132−7%
2995San Juan County, COCO8132+26%
2996Dundy County, NENE1,5682−28%
2997Humboldt County, NVNV17,2672+7%
2998Sublette County, WYWY8,9292+47%
2999Kidder County, NDND2,3932−13%
3000Bristol Bay, AKAK8472−33%
SHOWING 2,501–3,000 OF 3,135
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UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES