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 |
|---|---|---|---|---|
| 3101 | Garfield County | Montana | 1,148 | -2.3% |
| 3102 | Glasscock County | Texas | 1,128 | -1.5% |
| 3103 | Prairie County | Montana | 1,112 | 0.4% |
| 3104 | Skagway Municipality | Alaska | 1,104 | 0.7% |
| 3105 | Billings County | North Dakota | 1,071 | 1.8% |
| 3106 | Foard County | Texas | 1,044 | -0.4% |
| 3107 | Alpine County | California | 1,043 | -4.0% |
| 3107 | Motley County | Texas | 1,043 | 4.0% |
| 3109 | Daggett County | Utah | 934 | -1.9% |
| 3110 | Jones County | South Dakota | 913 | 1.7% |
| 3111 | Mineral County | Colorado | 910 | -1.5% |
| 3112 | Wibaux County | Montana | 885 | -3.0% |
| 3113 | Roberts County | Texas | 867 | 1.6% |
| 3114 | Bristol Bay Borough | Alaska | 847 | -2.1% |
| 3115 | Golden Valley County | Montana | 844 | 0.0% |
| 3116 | Hayes County | Nebraska | 821 | -2.0% |
| 3117 | San Juan County | Colorado | 813 | -1.0% |
| 3118 | Keya Paha County | Nebraska | 792 | -2.0% |
| 3119 | Wheeler County | Nebraska | 789 | -0.4% |
| 3120 | Clark County | Idaho | 783 | 0.1% |
| 3121 | Hinsdale County | Colorado | 753 | 0.0% |
| 3122 | Esmeralda County | Nevada | 729 | -1.4% |
| 3123 | Treasure County | Montana | 728 | -1.0% |
| 3124 | Terrell County | Texas | 702 | -1.3% |
| 3125 | Banner County | Nebraska | 686 | 2.4% |
| 3125 | Hooker County | Nebraska | 686 | -1.7% |
| 3127 | Kent County | Texas | 674 | -3.6% |
| 3128 | Yakutat City and Borough | Alaska | 672 | -1.3% |
| 3129 | Logan County | Nebraska | 669 | -2.0% |
| 3130 | Thomas County | Nebraska | 639 | -1.5% |
| 3131 | Slope County | North Dakota | 628 | -2.5% |
| 3132 | Harding County | New Mexico | 617 | -0.6% |
| 3133 | Loup County | Nebraska | 570 | -2.7% |
| 3134 | Borden County | Texas | 567 | 1.3% |
| 3135 | Grant County | Nebraska | 561 | -0.4% |
| 3136 | Petroleum County | Montana | 548 | 1.9% |
| 3137 | McMullen County | Texas | 544 | -2.5% |
| 3138 | Blaine County | Nebraska | 458 | -0.2% |
| 3139 | Arthur County | Nebraska | 396 | -5.0% |
| 3140 | McPherson County | Nebraska | 369 | -1.3% |
| 3141 | Kenedy County | Texas | 319 | -1.2% |
| 3142 | King County | Texas | 192 | -9.4% |
| 3143 | Kalawao County | Hawaii | 82 | 0.0% |
| 3144 | Loving County | Texas | 52 | 10.6% |
3144 ranked entries.