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 |
|---|---|---|---|---|
| 2401 | Nemaha County | Kansas | 10,054 | -0.3% |
| 2402 | Beaverhead County | Montana | 10,043 | 0.5% |
| 2403 | Switzerland County | Indiana | 10,037 | 0.0% |
| 2404 | Madison County | Montana | 10,026 | 2.6% |
| 2405 | Wayne County | Nebraska | 10,020 | 1.2% |
| 2406 | Sabine County | Texas | 10,012 | -0.7% |
| 2407 | Montgomery County | Iowa | 10,002 | -0.5% |
| 2408 | Desha County | Arkansas | 9,984 | -3.1% |
| 2409 | St. Clair County | Missouri | 9,976 | 1.4% |
| 2410 | Scott County | Arkansas | 9,965 | 1.0% |
| 2411 | Pike County | Arkansas | 9,964 | -0.9% |
| 2412 | Linn County | Kansas | 9,950 | 0.9% |
| 2413 | Yuma County | Colorado | 9,896 | 0.2% |
| 2413 | Marion County | Texas | 9,896 | 0.7% |
| 2415 | Lewis County | Missouri | 9,879 | 0.3% |
| 2416 | Franklin County | Iowa | 9,868 | -1.1% |
| 2417 | Jackson County | Minnesota | 9,857 | -0.2% |
| 2418 | Martin County | Indiana | 9,856 | -0.3% |
| 2419 | Marshall County | Kansas | 9,852 | -0.6% |
| 2420 | Montmorency County | Michigan | 9,842 | 0.6% |
| 2421 | Nome Census Area | Alaska | 9,830 | 0.3% |
| 2422 | Bradley County | Arkansas | 9,828 | -1.7% |
| 2423 | Noxubee County | Mississippi | 9,798 | -0.7% |
| 2424 | Keokuk County | Iowa | 9,797 | -0.1% |
| 2425 | DeKalb County | Missouri | 9,795 | -0.9% |
| 2426 | Grand County | Utah | 9,790 | 0.9% |
| 2427 | Bullock County | Alabama | 9,780 | -0.8% |
| 2428 | Swift County | Minnesota | 9,763 | 0.4% |
| 2429 | Stevens County | Minnesota | 9,747 | -0.8% |
| 2430 | Grundy County | Missouri | 9,744 | -0.1% |
| 2431 | McLean County | North Dakota | 9,740 | -0.6% |
| 2432 | Deer Lodge County | Montana | 9,709 | -0.6% |
| 2433 | Runnels County | Texas | 9,693 | -0.7% |
| 2434 | Hamilton County | Nebraska | 9,678 | 0.5% |
| 2434 | Parmer County | Texas | 9,678 | 0.5% |
| 2436 | Wilcox County | Alabama | 9,666 | -2.3% |
| 2437 | Latimer County | Oklahoma | 9,645 | 0.6% |
| 2438 | Leslie County | Kentucky | 9,627 | -1.3% |
| 2439 | Jones County | North Carolina | 9,575 | 0.8% |
| 2440 | Clarke County | Iowa | 9,574 | -0.2% |
| 2440 | Forest County | Wisconsin | 9,574 | 0.6% |
| 2442 | Jack County | Texas | 9,563 | 1.5% |
| 2443 | Calhoun County | Iowa | 9,562 | -1.0% |
| 2444 | Wilkes County | Georgia | 9,540 | -0.1% |
| 2445 | Cheyenne County | Nebraska | 9,528 | -0.1% |
| 2446 | Sac County | Iowa | 9,525 | -0.9% |
| 2447 | Rock County | Minnesota | 9,524 | -0.4% |
| 2448 | Nowata County | Oklahoma | 9,522 | 0.0% |
| 2449 | Yellow Medicine County | Minnesota | 9,477 | 0.0% |
| 2450 | Brewster County | Texas | 9,458 | -0.7% |
3144 ranked entries.