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 |
|---|---|---|---|---|
| 2101 | Nelson County | Virginia | 14,920 | 0.7% |
| 2102 | Floyd County | Iowa | 14,901 | -1.2% |
| 2103 | Cedar County | Missouri | 14,888 | -0.3% |
| 2104 | Page County | Iowa | 14,856 | -1.0% |
| 2105 | Washington County | Alabama | 14,822 | -1.0% |
| 2106 | Pendleton County | Kentucky | 14,800 | 0.0% |
| 2107 | Mills County | Iowa | 14,793 | 0.3% |
| 2108 | Gasconade County | Missouri | 14,784 | 0.5% |
| 2109 | Nantucket County | Massachusetts | 14,758 | 0.3% |
| 2110 | Livingston County | Missouri | 14,708 | 0.1% |
| 2111 | Harrison County | Iowa | 14,623 | 0.2% |
| 2112 | Atoka County | Oklahoma | 14,609 | 0.6% |
| 2113 | Dent County | Missouri | 14,584 | -0.5% |
| 2114 | York County | Nebraska | 14,564 | 0.9% |
| 2115 | Pecos County | Texas | 14,560 | -0.8% |
| 2116 | Alleghany County | Virginia | 14,546 | -0.9% |
| 2117 | San Juan County | Utah | 14,542 | 0.3% |
| 2118 | Craig County | Oklahoma | 14,518 | 0.3% |
| 2119 | Trigg County | Kentucky | 14,512 | 0.0% |
| 2120 | Callahan County | Texas | 14,491 | -0.2% |
| 2121 | Fulton County | Pennsylvania | 14,483 | 0.0% |
| 2122 | Pemiscot County | Missouri | 14,465 | -0.1% |
| 2123 | Pend Oreille County | Washington | 14,457 | 0.6% |
| 2124 | Stewart County | Tennessee | 14,439 | 0.5% |
| 2125 | Comanche County | Texas | 14,432 | 1.0% |
| 2126 | Morgan County | Kentucky | 14,415 | 1.3% |
| 2127 | Screven County | Georgia | 14,408 | 0.1% |
| 2128 | Izard County | Arkansas | 14,405 | 0.7% |
| 2129 | Las Animas County | Colorado | 14,391 | -0.8% |
| 2130 | Wadena County | Minnesota | 14,388 | 0.2% |
| 2131 | Trinity County | Texas | 14,384 | -0.3% |
| 2132 | Moultrie County | Illinois | 14,371 | -0.5% |
| 2133 | Renville County | Minnesota | 14,356 | -0.4% |
| 2134 | Hardy County | West Virginia | 14,337 | -0.7% |
| 2135 | Kossuth County | Iowa | 14,322 | -1.0% |
| 2136 | Bourbon County | Kansas | 14,319 | -0.8% |
| 2137 | Archuleta County | Colorado | 14,306 | 1.2% |
| 2138 | Gogebic County | Michigan | 14,285 | 0.2% |
| 2139 | Noble County | Ohio | 14,276 | 0.1% |
| 2140 | Phillips County | Arkansas | 14,255 | -2.1% |
| 2141 | Allamakee County | Iowa | 14,238 | 0.2% |
| 2142 | Madison County | Virginia | 14,237 | 0.1% |
| 2143 | Pike County | Illinois | 14,231 | -0.4% |
| 2144 | Madison County | Texas | 14,226 | 0.3% |
| 2145 | O'Brien County | Iowa | 14,220 | 0.2% |
| 2146 | Fremont County | Idaho | 14,208 | -1.0% |
| 2147 | Clay County | Alabama | 14,207 | 0.0% |
| 2148 | Newton County | Indiana | 14,188 | 0.7% |
| 2148 | Calhoun County | South Carolina | 14,188 | 0.0% |
| 2150 | Meigs County | Tennessee | 14,186 | 1.4% |
3144 ranked entries.