Largest counties by population
Rank US counties and county equivalents by resident population, not land area.
U.S. Census Bureau Population EstimatesPeriod: July 1, 2024–July 1, 2025 · Vintage 2025Retrieved 2026-10-05T08:10:35+00:00
July 1 resident population estimates from a single Census vintage. Counties are ranked by population, not land area. County equivalents include independent cities and other Census county-equivalent areas.
Ranks are competition ranks computed across the full filtered set.
| Rank | Name | State | Population | Growth |
|---|---|---|---|---|
| 2801 | Ouray County | Colorado | 5,265 | 1.8% |
| 2802 | Garfield County | Utah | 5,256 | -1.2% |
| 2803 | Aleutians West Census Area | Alaska | 5,240 | 1.3% |
| 2804 | Pickett County | Tennessee | 5,219 | 1.4% |
| 2805 | Johnson County | Nebraska | 5,218 | 0.4% |
| 2806 | Walworth County | South Dakota | 5,217 | -0.5% |
| 2807 | Toole County | Montana | 5,211 | 1.1% |
| 2808 | Mineral County | Montana | 5,185 | 0.0% |
| 2809 | Atchison County | Missouri | 5,175 | 0.2% |
| 2810 | Mahnomen County | Minnesota | 5,153 | -1.7% |
| 2811 | McHenry County | North Dakota | 5,130 | -0.4% |
| 2812 | Oneida County | Idaho | 5,085 | 1.4% |
| 2813 | Big Stone County | Minnesota | 5,054 | -0.5% |
| 2814 | Yukon-Koyukuk Census Area | Alaska | 5,028 | -1.4% |
| 2815 | Adams County | Idaho | 5,013 | 0.1% |
| 2816 | Hamilton County | New York | 5,006 | -1.5% |
| 2817 | Stevens County | Kansas | 4,984 | -1.2% |
| 2818 | Hansford County | Texas | 4,944 | -1.4% |
| 2819 | Hartley County | Texas | 4,904 | -1.3% |
| 2820 | Dickey County | North Dakota | 4,895 | -0.4% |
| 2821 | Beaver County | Oklahoma | 4,882 | -0.7% |
| 2822 | Floyd County | Texas | 4,881 | -2.8% |
| 2823 | Wirt County | West Virginia | 4,879 | -0.6% |
| 2824 | Wahkiakum County | Washington | 4,873 | 1.2% |
| 2825 | Scott County | Illinois | 4,866 | -0.5% |
| 2826 | Crosby County | Texas | 4,852 | -2.0% |
| 2827 | Thayer County | Nebraska | 4,842 | -0.7% |
| 2828 | Pulaski County | Illinois | 4,820 | -1.3% |
| 2829 | Scott County | Kansas | 4,815 | -1.9% |
| 2830 | Sheridan County | Nebraska | 4,809 | -1.9% |
| 2831 | Craig County | Virginia | 4,800 | -0.5% |
| 2832 | Scotland County | Missouri | 4,796 | 2.6% |
| 2833 | Wheeler County | Texas | 4,773 | -1.1% |
| 2834 | Florence County | Wisconsin | 4,748 | 1.4% |
| 2835 | Carlisle County | Kentucky | 4,747 | -0.4% |
| 2836 | Washington County | Colorado | 4,732 | -0.3% |
| 2837 | Phillips County | Kansas | 4,728 | -0.5% |
| 2838 | Cameron Parish | Louisiana | 4,718 | -1.2% |
| 2839 | Rooks County | Kansas | 4,646 | -1.5% |
| 2840 | Ringgold County | Iowa | 4,642 | -0.2% |
| 2841 | Republic County | Kansas | 4,640 | 0.3% |
| 2842 | Custer County | Idaho | 4,636 | 1.2% |
| 2843 | Calhoun County | Arkansas | 4,632 | -1.0% |
| 2844 | Stewart County | Georgia | 4,631 | -0.1% |
| 2845 | Gallatin County | Illinois | 4,616 | -1.4% |
| 2846 | Hot Springs County | Wyoming | 4,600 | -0.1% |
| 2847 | Schley County | Georgia | 4,593 | 1.5% |
| 2848 | Mills County | Texas | 4,580 | -0.1% |
| 2849 | Alexander County | Illinois | 4,570 | -0.9% |
| 2850 | Jim Hogg County | Texas | 4,555 | -1.2% |
3144 ranked entries.