Which county has the highest population density?

New York County, New York ranks #1 with 73,478 (2025 Census Population Estimates).

What are the top 5 counties by population density?

New York County, New York, Kings County, New York, Bronx County, New York, Queens County, New York, San Francisco County, California.

How many counties are in this ranking?

3,144 counties qualify after filtering for population minimums and data availability. The ranking covers 2025 Census population estimates.

How is population density measured?

Residents per square mile of land area. Source: US Census Bureau, Population Estimates Program (2025).

RANKING · 2025 ESTIMATES · 500 SHOWN OF 3,144

Most densely populated, US counties

US counties ranked by residents per square mile (2025).

Flip the list · Most sparsely populated, US counties →

All statesAll rankings

SAME RANKING BYCities States Metros

RANKPLACESTATEPOPPOPULATION DENSITYVS –

2501Pocahontas County, IAIA6,81912–

2502Klamath County, OROR70,27412–

2503Searcy County, ARAR7,84812–

2504Dixon County, NENE5,60212–

2505Menominee County, WIWI4,19912–

2506Shelby County, MOMO5,87012–

2507Juneau, AKAK31,60912–

2508Mariposa County, CACA16,91812–

2509Richland County, NDND16,73112–

2510Catahoula Parish, LALA8,22312–

2511Howard County, NENE6,53811–

2512Live Oak County, TXTX11,92911–

2513Harrison County, MOMO8,28111–

2514Bayfield County, WIWI16,78711–

2515Red River County, TXTX11,81611–

2516Cedar County, NENE8,37311–

2517Gila County, AZAZ53,80111–

2518Webster County, GAGA2,36911–

2519Box Elder County, UTUT65,32011–

2520Murray County, MNMN7,94211–

2521Logan County, COCO20,65411–

2522Kemper County, MSMS8,60011–

2523Wilkinson County, MSMS7,58211–

2524Adams County, WAWA21,48811–

2525Scott County, ARAR9,96511–

2526Price County, WIWI13,98811–

2527Lafayette County, ARAR5,88811–

2528Grant County, MNMN6,08511–

2529Grant County, SDSD7,53411–

2530Navajo County, AZAZ109,94611–

2531Wasco County, OROR26,31011–

2532Boundary County, IDID13,99711–

2533Oregon County, MOMO8,70911–

2534Mackinac County, MIMI11,23611–

2535Montgomery County, ARAR8,57911–

2536Parmer County, TXTX9,67811–

2537Scotland County, MOMO4,79611–

2538Taylor County, IAIA5,83511–

2539Marshall County, KSKS9,85211–

2540Greene County, ALAL7,06711–

2541Wilcox County, ALAL9,66611–

2542Washita County, OKOK10,88411–

2543Clay County, NENE6,17011–

2544Routt County, COCO25,32911–

2545Carter County, MOMO5,41811–

2546Otero County, NMNM70,36811–

2547Cameron County, PAPA4,21111–

2548Archuleta County, COCO14,30611–

2549Coal County, OKOK5,43611–

2550Jack County, TXTX9,56310–

2551Stephens County, TXTX9,38010–

2552Chaves County, NMNM63,36410–

2553Lincoln County, MNMN5,58310–

2554McCook County, SDSD5,96410–

2555Hamilton County, TXTX8,68010–

2556Pend Oreille County, WAWA14,45710–

2557Perry County, ALAL7,42510–

2558Cassia County, IDID26,39710–

2559Monroe County, ARAR6,24410–

2560Big Stone County, MNMN5,05410–

2561Ochiltree County, TXTX9,28410–

2562Archer County, TXTX9,12910–

2563Stewart County, GAGA4,63110–

2564Iron County, MIMI11,75710–

2565Campbell County, WYWY48,14510–

2566Aroostook County, MEME66,60910–

2567Uinta County, WYWY20,72810–

2568Texas County, OKOK20,32210–

2569Pope County, ILIL3,67210–

2570Clay County, TXTX10,76410–

2571Chariton County, MOMO7,37710–

2572Mitchell County, TXTX8,94710–

2573Box Butte County, NENE10,49410–

2574Woodruff County, ARAR5,71010–

2575Ouray County, COCO5,26510–

2576Florence County, WIWI4,74810–

2577Ramsey County, NDND11,53010–

2578Blaine County, IDID25,51710–

2579Stutsman County, NDND21,41410–

2580Liberty County, FLFL8,03510–

2581Elmore County, IDID29,46510–

2582Childress County, TXTX6,64310–

2583Fillmore County, NENE5,4589–

2584Atchison County, MOMO5,1759–

2585Alger County, MIMI8,6419–

2586Forest County, WIWI9,5749–

2587Roberts County, SDSD10,2559–

2588Yoakum County, TXTX7,4389–

2589Crook County, OROR27,5649–

2590Mahnomen County, MNMN5,1539–

2591Runnels County, TXTX9,6939–

2592Traill County, NDND7,9209–

2593Blaine County, OKOK8,5159–

2594Essex County, VTVT6,0519–

2595Roseau County, MNMN15,2469–

2596Hutchinson County, SDSD7,4139–

2597Red Lake County, MNMN3,9409–

2598Baraga County, MIMI8,1699–

2599Holt County, MOMO4,2009–

2600Tyrrell County, NCNC3,5379–

2601Albany County, WYWY38,5589–

2602Dallas County, ARAR6,0119–

2603Winkler County, TXTX7,5409–

2604Grand County, COCO16,4969–

2605Aitkin County, MNMN16,2529–

2606Sullivan County, MOMO5,7389–

2607Meade County, SDSD30,7119–

2608Wabaunsee County, KSKS7,0189–

2609Putnam County, MOMO4,5469–

2610Echols County, GAGA3,6859–

2611Lac qui Parle County, MNMN6,7049–

2612Ellsworth County, KSKS6,2579–

2613Graham County, AZAZ40,1579–

2614Ringgold County, IAIA4,6429–

2615Clearwater County, MNMN8,6479–

2616Refugio County, TXTX6,6579–

2617Okanogan County, WAWA45,2309–

2618Cotton County, OKOK5,4329–

2619Luna County, NMNM25,4079–

2620Newton County, ARAR7,0269–

2621Adams County, IAIA3,6179–

2622Taliaferro County, GAGA1,6629–

2623Uintah County, UTUT38,2789–

2624Charles Mix County, SDSD9,3038–

2625Goliad County, TXTX7,2088–

2626Thayer County, NENE4,8428–

2627Bailey County, TXTX6,9638–

2628Greer County, OKOK5,3738–

2629Clinch County, GAGA6,8478–

2630Wilkin County, MNMN6,2888–

2631Pendleton County, WVWV5,8268–

2632Park County, COCO18,3148–

2633Castro County, TXTX7,2958–

2634Kingman County, KSKS7,0298–

2635Mercer County, NDND8,4418–

2636Pocahontas County, WVWV7,6028–

2637Iron County, WIWI6,1278–

2638Kiowa County, OKOK8,1818–

2639Jefferson County, MTMT13,3298–

2640Washington County, IDID11,5838–

2641Ottawa County, KSKS5,7448–

2642Baker County, GAGA2,7258–

2643Cheyenne County, NENE9,5288–

2644Mitchell County, KSKS5,5908–

2645Hanson County, SDSD3,4568–

2646Pawnee County, KSKS5,9918–

2647Walsh County, NDND10,1798–

2648Major County, OKOK7,5368–

2649Boone County, NENE5,3558–

2650Tillman County, OKOK6,7808–

2651Coconino County, AZAZ144,3688–

2652Pushmataha County, OKOK10,8078–

2653Lewis County, IDID3,7048–

2654Bath County, VAVA4,0768–

2655Morris County, KSKS5,3488–

2656Skamania County, WAWA12,6698–

2657Keith County, NENE8,1008–

2658Fremont County, IDID14,2088–

2659Roosevelt County, NMNM18,6158–

2660Custer County, COCO5,5908–

2661Swisher County, TXTX6,7038–

2662Knox County, NENE8,3358–

2663Mercer County, MOMO3,4048–

2664Nance County, NENE3,2907–

2665Hyde County, NCNC4,5547–

2666Russell County, KSKS6,5817–

2667Reynolds County, MOMO5,9927–

2668Antelope County, NENE6,3527–

2669Knox County, MOMO3,7287–

2670Walworth County, SDSD5,2177–

2671Calhoun County, ARAR4,6327–

2672Plumas County, CACA18,5837–

2673Norman County, MNMN6,3367–

2674Shannon County, MOMO7,2857–

2675Prowers County, COCO11,8847–

2676Crowley County, COCO5,6777–

2677Valley County, NENE4,0947–

2678Thomas County, KSKS7,7257–

2679Worth County, MOMO1,9147–

2680Sharkey County, MSMS3,0977–

2681Jefferson County, OKOK5,4317–

2682Nuckolls County, NENE4,1007–

2683Broadwater County, MTMT8,4937–

2684Barnes County, NDND10,5737–

2685Deuel County, SDSD4,4087–

2686Luce County, MIMI6,3397–

2687McCulloch County, TXTX7,4727–

2688Schoolcraft County, MIMI8,1877–

2689Brooks County, TXTX6,5797–

2690Zavala County, TXTX9,0377–

2691Bear Lake County, IDID6,7277–

2692Grant County, NMNM27,2527–

2693Stevens County, KSKS4,9847–

2694Kalawao County, HIHI827–

2695Rio Arriba County, NMNM39,8327–

2696Lynn County, TXTX6,0177–

2697Scott County, KSKS4,8157–

2698Harper County, KSKS5,3707–

2699Siskiyou County, CACA42,0137–

2700Douglas County, SDSD2,8887–

2701Woods County, OKOK8,4437–

2702Alfalfa County, OKOK5,6497–

2703Ransom County, NDND5,6177–

2704Gray County, KSKS5,6527–

2705Park County, MTMT18,2146–

2706Republic County, KSKS4,6406–

2707Brule County, SDSD5,2786–

2708Duchesne County, UTUT20,8566–

2709Phillips County, COCO4,4206–

2710Todd County, SDSD8,8636–

2711Oglala Lakota County, SDSD13,3386–

2712Kingsbury County, SDSD5,2846–

2713Carson County, TXTX5,8056–

2714Furnas County, NENE4,5246–

2715Coleman County, TXTX7,9156–

2716Woodson County, KSKS3,1186–

2717Haskell County, KSKS3,5996–

2718Morrow County, OROR12,6026–

2719Lassen County, CACA28,1176–

2720Washington County, KSKS5,5336–

2721Lincoln County, MTMT22,3286–

2722Tensas Parish, LALA3,7006–

2723Mills County, TXTX4,5806–

2724Haskell County, TXTX5,4996–

2725Custer County, SDSD9,4316–

2726Dimmit County, TXTX8,0246–

2727San Miguel County, COCO7,7536–

2728Norton County, KSKS5,2886–

2729Cibola County, NMNM26,8076–

2730Power County, IDID8,2466–

2731Pembina County, NDND6,5686–

2732Conejos County, COCO7,5296–

2733Teton County, WYWY23,3336–

2734Pawnee County, NENE2,5106–

2735Webster County, NENE3,3366–

2736Crane County, TXTX4,5546–

2737Martin County, TXTX5,2846–

2738Apache County, AZAZ64,4456–

2739Goshen County, WYWY12,6406–

2740Dawes County, NENE7,8586–

2741Carbon County, MTMT11,4666–

2742Highland County, VAVA2,3186–

2743Hill County, MTMT16,1676–

2744San Miguel County, NMNM26,2606–

2745McKenzie County, NDND15,1926–

2746Richland County, MTMT11,3775–

2747Sherman County, KSKS5,7635–

2748Traverse County, MNMN3,1305–

2749Baker County, OROR16,6585–

2750Harlan County, NENE3,0005–

2751Crosby County, TXTX4,8525–

2752Gunnison County, COCO17,4395–

2753Hansford County, TXTX4,9445–

2754Shoshone County, IDID14,1305–

2755Phillips County, KSKS4,7285–

2756Day County, SDSD5,4845–

2757Marshall County, SDSD4,4265–

2758Stillwater County, MTMT9,4455–

2759Duval County, TXTX9,4025–

2760Churchill County, NVNV25,8515–

2761Wheeler County, TXTX4,7735–

2762Rooks County, KSKS4,6465–

2763Chautauqua County, KSKS3,3215–

2764Lincoln County, WYWY21,1805–

2765Lincoln County, WAWA11,9825–

2766Sherman County, NENE2,9245–

2767Mountrail County, NDND9,3955–

2768San Saba County, TXTX5,7875–

2769Greenwood County, KSKS5,8265–

2770Lake County, MNMN10,7465–

2771Sanders County, MTMT14,0625–

2772Foster County, NDND3,2125–

2773Stafford County, KSKS4,0055–

2774Greenlee County, AZAZ9,3125–

2775Garza County, TXTX4,5105–

2776Dallam County, TXTX7,5085–

2777Marshall County, MNMN8,7985–

2778Trinity County, CACA15,7205–

2779Floyd County, TXTX4,8815–

2780Franklin County, NENE2,7955–

2781Butte County, SDSD10,8565–

2782Torrance County, NMNM16,1005–

2783Matanuska-Susitna, AKAK118,6665–

2784Columbia County, WAWA4,1415–

2785Hardeman County, TXTX3,2925–

2786Lincoln County, IDID5,6035–

2787McLean County, NDND9,7405–

2788Reeves County, TXTX12,1385–

2789Boise County, IDID8,5454–

2790Glacier County, MTMT13,4634–

2791Park County, WYWY31,1714–

2792Kearny County, KSKS3,8884–

2793Ontonagon County, MIMI5,8234–

2794Huerfano County, COCO7,0114–

2795Piscataquis County, MEME17,4094–

2796La Salle County, TXTX6,5174–

2797Roosevelt County, MTMT10,2424–

2798Harmon County, OKOK2,3274–

2799Dickey County, NDND4,8954–

2800Sargent County, NDND3,7114–

2801Fremont County, WYWY39,4644–

2802Mason County, TXTX3,9904–

2803Fall River County, SDSD7,4674–

2804Mineral County, MTMT5,1854–

2805Edwards County, KSKS2,6404–

2806Oneida County, IDID5,0854–

2807Deuel County, NENE1,8624–

2808Clark County, SDSD4,0314–

2809Dewey County, OKOK4,2074–

2810Sanborn County, SDSD2,3884–

2811Yuma County, COCO9,8964–

2812Holt County, NENE10,0674–

2813Chase County, NENE3,7184–

2814Platte County, WYWY8,6344–

2815Benson County, NDND5,7594–

2816Caribou County, IDID7,2524–

2817Lincoln County, NMNM19,8444–

2818Fisher County, TXTX3,6924–

2819Mono County, CACA12,5054–

2820Sedgwick County, COCO2,2474–

2821Spink County, SDSD6,1554–

2822Custer County, NENE10,5004–

2823Grant County, OKOK4,0674–

2824Keweenaw County, MIMI2,1864–

2825Jim Hogg County, TXTX4,5554–

2826Baylor County, TXTX3,4724–

2827Miner County, SDSD2,2814–

2828Juab County, UTUT13,5674–

2829Smith County, KSKS3,5664–

2830Gregory County, SDSD4,0374–

2831Lincoln County, KSKS2,8614–

2832Rush County, KSKS2,8454–

2833Sweetwater County, WYWY41,2674–

2834Aurora County, SDSD2,8014–

2835Meade County, KSKS3,8524–

2836Gosper County, NENE1,8034–

2837Real County, TXTX2,7454–

2838Kenai Peninsula, AKAK61,9514–

2839Big Horn County, WYWY12,0244–

2840Buffalo County, SDSD1,8024–

2841Elk County, KSKS2,4584–

2842Cook County, MNMN5,5224–

2843Greeley County, NENE2,1544–

2844Bent County, COCO5,7164–

2845Pierce County, NDND3,8384–

2846Bottineau County, NDND6,2844–

2847Knox County, TXTX3,1924–

2848Coke County, TXTX3,4124–

2849Pondera County, MTMT6,0724–

2850Koochiching County, MNMN11,5874–

2851La Paz County, AZAZ16,7114–

2852Clearwater County, IDID9,1184–

2853Eddy County, NDND2,3294–

2854Osborne County, KSKS3,2854–

2855Adams County, IDID5,0134–

2856Cameron Parish, LALA4,7184–

2857Kittson County, MNMN4,0314–

2858Concho County, TXTX3,6074–

2859Dawson County, MTMT8,6924–

2860LaMoure County, NDND4,1354–

2861Barber County, KSKS4,0834–

2862Edmunds County, SDSD4,0224–

2863Kimball County, NENE3,3914–

2864Kimble County, TXTX4,4384–

2865Tripp County, SDSD5,7084–

2866Valley County, IDID12,8314–

2867Shackelford County, TXTX3,1973–

2868Hitchcock County, NENE2,4673–

2869Donley County, TXTX3,2133–

2870Ferry County, WAWA7,5173–

2871Hemphill County, TXTX3,0833–

2872Garfield County, WAWA2,4163–

2873Washakie County, WYWY7,5973–

2874Morton County, KSKS2,4703–

2875Kiowa County, KSKS2,4323–

2876Hartley County, TXTX4,9043–

2877Sioux County, NDND3,6673–

2878Chase County, KSKS2,5723–

2879Cochran County, TXTX2,5463–

2880Kit Carson County, COCO7,0693–

2881Malheur County, OROR32,2613–

2882Sierra County, CACA3,0983–

2883Converse County, WYWY13,8243–

2884Colfax County, NMNM12,1843–

2885Perkins County, NENE2,8493–

2886Elko County, NVNV54,8153–

2887Custer County, MTMT12,0343–

2888Lipscomb County, TXTX2,9553–

2889Griggs County, NDND2,2393–

2890Nye County, NVNV57,3363–

2891Jerauld County, SDSD1,6543–

2892Jewell County, KSKS2,8303–

2893Boyd County, NENE1,6743–

2894Hall County, TXTX2,7373–

2895Morrill County, NENE4,4043–

2896Trego County, KSKS2,7403–

2897Powell County, MTMT7,1573–

2898Issaquena County, MSMS1,2633–

2899Pecos County, TXTX14,5603–

2900Harper County, OKOK3,1723–

2901Decatur County, KSKS2,7163–

2902Nelson County, NDND2,9633–

2903Las Animas County, COCO14,3913–

2904Sherman County, TXTX2,7813–

2905Garfield County, NENE1,7103–

2906Costilla County, COCO3,6793–

2907Musselshell County, MTMT5,5823–

2908Quay County, NMNM8,4543–

2909Wells County, NDND3,7293–

2910Ellis County, OKOK3,6133–

2911Stanton County, KSKS1,9863–

2912Hamilton County, NYNY5,0063–

2913Lake of the Woods County, MNMN3,7703–

2914Sitka, AKAK8,3193–

2915Teton County, MTMT6,4963–

2916Roger Mills County, OKOK3,2593–

2917Weston County, WYWY6,8403–

2918Beaver County, UTUT7,3013–

2919Wichita County, KSKS2,0313–

2920Madison County, MTMT10,0263–

2921Bennett County, SDSD3,3073–

2922Ketchikan Gateway, AKAK13,5493–

2923Moffat County, COCO13,1223–

2924Potter County, SDSD2,3773–

2925Crook County, WYWY7,8523–

2926McHenry County, NDND5,1303–

2927Sierra County, NMNM11,3953–

2928Fergus County, MTMT11,8253–

2929Frontier County, NENE2,6553–

2930Toole County, MTMT5,2113–

2931Sheridan County, KSKS2,4273–

2932Collingsworth County, TXTX2,4873–

2933Reagan County, TXTX3,1663–

2934Beaver County, OKOK4,8823–

2935Grand County, UTUT9,7903–

2936Renville County, NDND2,3313–

2937Graham County, KSKS2,3713–

2938Oliver County, NDND1,8983–

2939Rich County, UTUT2,6873–

2940Cheyenne County, KSKS2,6043–

2941Big Horn County, MTMT12,7523–

2942Skagway, AKAK1,1043–

2943Steele County, NDND1,7973–

2944Upton County, TXTX3,1313–

2945McIntosh County, NDND2,4513–

2946Hamilton County, KSKS2,5003–

2947Sherman County, OROR2,0512–

2948Logan County, KSKS2,6612–

2949Gove County, KSKS2,6312–

2950Ness County, KSKS2,6172–

2951Wallowa County, OROR7,5952–

2952Socorro County, NMNM15,8382–

2953Bowman County, NDND2,7622–

2954Dewey County, SDSD5,4192–

2955Cavalier County, NDND3,4972–

2956Brown County, NENE2,8262–

2957Dolores County, COCO2,4662–

2958Adams County, NDND2,2752–

2959Kinney County, TXTX3,1282–

2960Hot Springs County, WYWY4,6002–

2961Emery County, UTUT10,1772–

2962Rawlins County, KSKS2,4312–

2963Lyman County, SDSD3,6942–

2964Faulk County, SDSD2,1782–

2965Sutton County, TXTX3,2032–

2966Hettinger County, NDND2,4922–

2967Lincoln County, COCO5,6452–

2968Hand County, SDSD3,1212–

2969Menard County, TXTX1,9562–

2970Kane County, UTUT8,5972–

2971Johnson County, WYWY8,9082–

2972Modoc County, CACA8,4262–

2973Emmons County, NDND3,2152–

2974Saguache County, COCO6,7322–

2975Comanche County, KSKS1,6732–

2976Granite County, MTMT3,6582–

2977Idaho County, IDID17,8742–

2978Mora County, NMNM4,0512–

2979Lane County, KSKS1,5082–

2980San Juan County, COCO8132–

2981Stanley County, SDSD3,0182–

2982Rio Blanco County, COCO6,6832–

2983Millard County, UTUT14,0572–

2984McPherson County, SDSD2,3472–

2985Sheridan County, MTMT3,4362–

2986Sweet Grass County, MTMT3,7622–

2987Armstrong County, TXTX1,8432–

2988Dunn County, NDND4,0582–

2989Piute County, UTUT1,5092–

2990Towner County, NDND2,0402–

2991Sheridan County, NENE4,8092–

2992Clark County, KSKS1,9002–

2993Burke County, NDND2,1322–

2994Hodgeman County, KSKS1,6192–

2995Washington County, COCO4,7322–

2996Campbell County, SDSD1,3772–

2997Dickens County, TXTX1,6922–

2998Logan County, NDND1,8592–

2999San Juan County, UTUT14,5422–

3000Lemhi County, IDID8,4742–

SHOWING 2,501–3,000 OF 3,144

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU POPULATION ESTIMATES