Most densely populated counties
Population per square mile of land, using the latest Census Bureau estimate and Gazetteer land area. Small urban counties and independent cities lead because a large population shares little land.
Ranks 2801–2900
Vintage 2025 population estimates · 2026 Gazetteer land area · 3,222 county equivalents · page 29 of 33
What this part of the ranking shows
This page runs from Mills County, Texas at 6.1 people per mi² to Custer County, Nebraska at 4.1 people per mi². The 100 entries represent 21 state-level jurisdictions. Texas has the most entries on this page (18).
Rank numbers continue across pages and describe the full selected ranking. They are not state ranks. Start at rank 1 for the leading entries, or open a county profile for its state rank and median comparisons.
| Rank | County / equivalent | State | Population | Per mi² | Land mi² |
|---|---|---|---|---|---|
| 2801 | Mills County | Texas | 4,580 | 6.1 | 748.2 |
| 2802 | Haskell County | Texas | 5,499 | 6.1 | 903.1 |
| 2803 | Custer County | South Dakota | 9,431 | 6.1 | 1,556.9 |
| 2804 | Dimmit County | Texas | 8,024 | 6 | 1,328.9 |
| 2805 | San Miguel County | Colorado | 7,753 | 6 | 1,286.7 |
| 2806 | Norton County | Kansas | 5,288 | 6 | 878 |
| 2807 | Cibola County | New Mexico | 26,807 | 5.9 | 4,540 |
| 2808 | Power County | Idaho | 8,246 | 5.9 | 1,403.8 |
| 2809 | Pembina County | North Dakota | 6,568 | 5.9 | 1,118.5 |
| 2810 | Conejos County | Colorado | 7,529 | 5.8 | 1,287.4 |
| 2811 | Teton County | Wyoming | 23,333 | 5.8 | 3,996.8 |
| 2812 | Pawnee County | Nebraska | 2,510 | 5.8 | 431.1 |
| 2813 | Webster County | Nebraska | 3,336 | 5.8 | 574.9 |
| 2814 | Crane County | Texas | 4,554 | 5.8 | 785.1 |
| 2815 | Martin County | Texas | 5,284 | 5.8 | 915 |
| 2816 | Apache County | Arizona | 64,445 | 5.8 | 11,198.4 |
| 2817 | Goshen County | Wyoming | 12,640 | 5.7 | 2,225.6 |
| 2818 | Dawes County | Nebraska | 7,858 | 5.6 | 1,396.4 |
| 2819 | Carbon County | Montana | 11,466 | 5.6 | 2,047.9 |
| 2820 | Highland County | Virginia | 2,318 | 5.6 | 415.2 |
| 2821 | Hill County | Montana | 16,167 | 5.6 | 2,899.4 |
| 2822 | San Miguel County | New Mexico | 26,260 | 5.6 | 4,721.5 |
| 2823 | McKenzie County | North Dakota | 15,192 | 5.5 | 2,760.1 |
| 2824 | Richland County | Montana | 11,377 | 5.5 | 2,084.6 |
| 2825 | Sherman County | Kansas | 5,763 | 5.5 | 1,056.1 |
| 2826 | Traverse County | Minnesota | 3,130 | 5.5 | 573.9 |
| 2827 | Baker County | Oregon | 16,658 | 5.4 | 3,068 |
| 2828 | Harlan County | Nebraska | 3,000 | 5.4 | 553.5 |
| 2829 | Crosby County | Texas | 4,852 | 5.4 | 900.2 |
| 2830 | Gunnison County | Colorado | 17,439 | 5.4 | 3,239.1 |
| 2831 | Hansford County | Texas | 4,944 | 5.4 | 919.8 |
| 2832 | Shoshone County | Idaho | 14,130 | 5.4 | 2,637.5 |
| 2833 | Phillips County | Kansas | 4,728 | 5.3 | 885.9 |
| 2834 | Day County | South Dakota | 5,484 | 5.3 | 1,028.5 |
| 2835 | Marshall County | South Dakota | 4,426 | 5.3 | 838.1 |
| 2836 | Stillwater County | Montana | 9,445 | 5.3 | 1,796.5 |
| 2837 | Duval County | Texas | 9,402 | 5.2 | 1,793.5 |
| 2838 | Churchill County | Nevada | 25,851 | 5.2 | 4,950.2 |
| 2839 | Wheeler County | Texas | 4,773 | 5.2 | 914.5 |
| 2840 | Rooks County | Kansas | 4,646 | 5.2 | 890.5 |
| 2841 | Chautauqua County | Kansas | 3,321 | 5.2 | 638.9 |
| 2842 | Lincoln County | Wyoming | 21,180 | 5.2 | 4,075.3 |
| 2843 | Lincoln County | Washington | 11,982 | 5.2 | 2,310.6 |
| 2844 | Sherman County | Nebraska | 2,924 | 5.2 | 565.9 |
| 2845 | Mountrail County | North Dakota | 9,395 | 5.1 | 1,825.2 |
| 2846 | San Saba County | Texas | 5,787 | 5.1 | 1,135.3 |
| 2847 | Greenwood County | Kansas | 5,826 | 5.1 | 1,143.3 |
| 2848 | Lake County | Minnesota | 10,746 | 5.1 | 2,109.1 |
| 2849 | Sanders County | Montana | 14,062 | 5.1 | 2,760.4 |
| 2850 | Foster County | North Dakota | 3,212 | 5.1 | 634.1 |
| 2851 | Stafford County | Kansas | 4,005 | 5.1 | 792 |
| 2852 | Greenlee County | Arizona | 9,312 | 5.1 | 1,842.8 |
| 2853 | Garza County | Texas | 4,510 | 5 | 893.4 |
| 2854 | Dallam County | Texas | 7,508 | 5 | 1,503.4 |
| 2855 | Marshall County | Minnesota | 8,798 | 5 | 1,775.1 |
| 2856 | Trinity County | California | 15,720 | 4.9 | 3,179.3 |
| 2857 | Floyd County | Texas | 4,881 | 4.9 | 992.1 |
| 2858 | Franklin County | Nebraska | 2,795 | 4.9 | 575.8 |
| 2859 | Butte County | South Dakota | 10,856 | 4.8 | 2,250 |
| 2860 | Torrance County | New Mexico | 16,100 | 4.8 | 3,345.2 |
| 2861 | Matanuska-Susitna Borough | Alaska | 118,666 | 4.8 | 24,703 |
| 2862 | Columbia County | Washington | 4,141 | 4.8 | 868.6 |
| 2863 | Hardeman County | Texas | 3,292 | 4.7 | 695.1 |
| 2864 | Lincoln County | Idaho | 5,603 | 4.7 | 1,201.4 |
| 2865 | McLean County | North Dakota | 9,740 | 4.6 | 2,110.3 |
| 2866 | Reeves County | Texas | 12,138 | 4.6 | 2,635.4 |
| 2867 | Boise County | Idaho | 8,545 | 4.5 | 1,899.4 |
| 2868 | Glacier County | Montana | 13,463 | 4.5 | 2,995.2 |
| 2869 | Park County | Wyoming | 31,171 | 4.5 | 6,939 |
| 2870 | Kearny County | Kansas | 3,888 | 4.5 | 870.5 |
| 2871 | Ontonagon County | Michigan | 5,823 | 4.4 | 1,311 |
| 2872 | Huerfano County | Colorado | 7,011 | 4.4 | 1,591 |
| 2873 | Piscataquis County | Maine | 17,409 | 4.4 | 3,960.8 |
| 2874 | La Salle County | Texas | 6,517 | 4.4 | 1,486.7 |
| 2875 | Roosevelt County | Montana | 10,242 | 4.3 | 2,354.6 |
| 2876 | Harmon County | Oklahoma | 2,327 | 4.3 | 537.3 |
| 2877 | Dickey County | North Dakota | 4,895 | 4.3 | 1,131.5 |
| 2878 | Sargent County | North Dakota | 3,711 | 4.3 | 858.5 |
| 2879 | Fremont County | Wyoming | 39,464 | 4.3 | 9,183.6 |
| 2880 | Mason County | Texas | 3,990 | 4.3 | 928.8 |
| 2881 | Fall River County | South Dakota | 7,467 | 4.3 | 1,739.9 |
| 2882 | Mineral County | Montana | 5,185 | 4.3 | 1,219.6 |
| 2883 | Edwards County | Kansas | 2,640 | 4.2 | 621.9 |
| 2884 | Oneida County | Idaho | 5,085 | 4.2 | 1,199 |
| 2885 | Deuel County | Nebraska | 1,862 | 4.2 | 439.8 |
| 2886 | Clark County | South Dakota | 4,031 | 4.2 | 957.5 |
| 2887 | Dewey County | Oklahoma | 4,207 | 4.2 | 999.6 |
| 2888 | Sanborn County | South Dakota | 2,388 | 4.2 | 569.2 |
| 2889 | Yuma County | Colorado | 9,896 | 4.2 | 2,364.4 |
| 2890 | Holt County | Nebraska | 10,067 | 4.2 | 2,411.9 |
| 2891 | Chase County | Nebraska | 3,718 | 4.2 | 894.4 |
| 2892 | Platte County | Wyoming | 8,634 | 4.1 | 2,081.5 |
| 2893 | Benson County | North Dakota | 5,759 | 4.1 | 1,388.6 |
| 2894 | Caribou County | Idaho | 7,252 | 4.1 | 1,764.2 |
| 2895 | Lincoln County | New Mexico | 19,844 | 4.1 | 4,831.1 |
| 2896 | Fisher County | Texas | 3,692 | 4.1 | 899 |
| 2897 | Mono County | California | 12,505 | 4.1 | 3,048.9 |
| 2898 | Sedgwick County | Colorado | 2,247 | 4.1 | 548 |
| 2899 | Spink County | South Dakota | 6,155 | 4.1 | 1,503.5 |
| 2900 | Custer County | Nebraska | 10,500 | 4.1 | 2,575.5 |
Read the differences behind ranks 2801–2900
The median density among these 100 entries is 5.1 people per mi². The first and last entries span 2 people per square mile. This median describes the entries on this page, not the full national dataset. Pagination is a browsing boundary, not a distinct geographic region.
Adjacent ranks can differ by a handful of residents or by many thousands. Open a county profile for its population trend since 2020, land area, and state comparisons.
Where the entries on this page are located
- Texas18 entries · 18% of this page
- Nebraska10 entries · 10% of this page
- Kansas9 entries · 9% of this page
- Montana8 entries · 8% of this page
- North Dakota8 entries · 8% of this page
- South Dakota8 entries · 8% of this page
The remaining 15 jurisdictions contribute 39 entries. The list above shows the six most represented, with alphabetical ordering when counts tie.
These counts describe representation in this slice of the ranking. They do not measure a state’s share of national land or population. Compare the first and last county equivalents on this page to inspect land, water, and total area separately.
Read the geographic explanation behind this ranking, or return to the ranking overview for the national distribution and guidance on selecting a measurement.
Population rankings use Census Bureau Vintage 2025 estimates; density rankings divide them by original ALAND square meters. Land rankings use original ALAND square meters; total-area rankings use ALAND + AWATER. Exact ties use ascending GEOID. Displayed square-mile values are rounded. Read the methodology.