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 |
|---|---|---|---|---|
| 2451 | Stillwater County | Montana | 9,445 | 0.2% |
| 2452 | Custer County | South Dakota | 9,431 | 1.1% |
| 2453 | Howard County | Iowa | 9,415 | -0.2% |
| 2454 | Humboldt County | Iowa | 9,409 | -1.0% |
| 2455 | Duval County | Texas | 9,402 | -2.6% |
| 2456 | Mountrail County | North Dakota | 9,395 | -0.8% |
| 2457 | Stephens County | Texas | 9,380 | -0.4% |
| 2458 | Lowndes County | Alabama | 9,359 | -1.7% |
| 2459 | Montgomery County | Mississippi | 9,354 | -0.9% |
| 2460 | Caldwell Parish | Louisiana | 9,344 | -0.9% |
| 2461 | Iron County | Missouri | 9,318 | -1.0% |
| 2462 | Turner County | South Dakota | 9,314 | 0.8% |
| 2463 | Greenlee County | Arizona | 9,312 | -0.2% |
| 2464 | Johnson County | Georgia | 9,310 | 1.0% |
| 2465 | Charles Mix County | South Dakota | 9,303 | 0.3% |
| 2466 | Richmond County | Virginia | 9,294 | 0.8% |
| 2467 | Ochiltree County | Texas | 9,284 | -1.9% |
| 2468 | Rice County | Kansas | 9,266 | -0.1% |
| 2469 | Pipestone County | Minnesota | 9,260 | 0.1% |
| 2470 | Davis County | Iowa | 9,230 | 0.6% |
| 2471 | Carroll County | Mississippi | 9,226 | -1.7% |
| 2472 | Ozark County | Missouri | 9,172 | 0.8% |
| 2473 | Seminole County | Georgia | 9,162 | -0.9% |
| 2474 | West Carroll Parish | Louisiana | 9,156 | -1.1% |
| 2475 | Clinton County | Kentucky | 9,139 | -0.4% |
| 2476 | Archer County | Texas | 9,129 | -0.1% |
| 2477 | Perry County | Tennessee | 9,126 | 1.6% |
| 2478 | Lyon County | Kentucky | 9,123 | 0.5% |
| 2479 | Clearwater County | Idaho | 9,118 | -0.3% |
| 2480 | Pratt County | Kansas | 9,117 | 0.1% |
| 2481 | Chicot County | Arkansas | 9,107 | -2.3% |
| 2481 | Emmet County | Iowa | 9,107 | -0.3% |
| 2483 | Brown County | Kansas | 9,104 | -0.3% |
| 2484 | McLean County | Kentucky | 9,064 | -0.2% |
| 2485 | Hancock County | Kentucky | 9,050 | 0.4% |
| 2486 | Hickory County | Missouri | 9,044 | 1.7% |
| 2487 | Zavala County | Texas | 9,037 | -1.6% |
| 2488 | Jasper County | Illinois | 9,032 | -0.2% |
| 2489 | Irwin County | Georgia | 9,020 | -1.5% |
| 2490 | Caldwell County | Missouri | 9,012 | 0.5% |
| 2491 | Clear Creek County | Colorado | 8,994 | -0.3% |
| 2491 | Phelps County | Nebraska | 8,994 | -0.4% |
| 2493 | Turner County | Georgia | 8,983 | -0.4% |
| 2494 | Monroe County | Missouri | 8,959 | 1.2% |
| 2495 | Mitchell County | Texas | 8,947 | -0.1% |
| 2496 | Sublette County | Wyoming | 8,929 | -0.2% |
| 2497 | Johnson County | Wyoming | 8,908 | 0.9% |
| 2498 | Palo Alto County | Iowa | 8,899 | 0.1% |
| 2499 | Benton County | Indiana | 8,883 | 0.0% |
| 2500 | Livingston County | Kentucky | 8,863 | 0.2% |
3144 ranked entries.