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 |
|---|---|---|---|---|
| 1601 | Lyon County | Minnesota | 25,684 | -0.4% |
| 1601 | Adair County | Missouri | 25,684 | 0.3% |
| 1603 | Cleburne County | Arkansas | 25,672 | 0.1% |
| 1604 | Manistee County | Michigan | 25,656 | 0.3% |
| 1605 | Blaine County | Idaho | 25,517 | -0.7% |
| 1605 | Brown County | Minnesota | 25,517 | -0.2% |
| 1607 | Simpson County | Mississippi | 25,498 | -0.5% |
| 1608 | Marlboro County | South Carolina | 25,488 | -0.2% |
| 1609 | Fayette County | Texas | 25,459 | -0.2% |
| 1610 | Luna County | New Mexico | 25,407 | -0.8% |
| 1611 | Lincoln County | Kentucky | 25,353 | 1.2% |
| 1612 | Russell County | Virginia | 25,332 | -0.4% |
| 1613 | Routt County | Colorado | 25,329 | -0.6% |
| 1614 | Chattooga County | Georgia | 25,300 | 0.2% |
| 1615 | Bremer County | Iowa | 25,296 | -0.3% |
| 1616 | Prentiss County | Mississippi | 25,284 | -0.1% |
| 1617 | Hardeman County | Tennessee | 25,274 | -1.0% |
| 1618 | Iosco County | Michigan | 25,266 | -0.6% |
| 1619 | Anderson County | Kentucky | 25,225 | 1.1% |
| 1620 | Waushara County | Wisconsin | 25,223 | 0.6% |
| 1621 | White County | Indiana | 25,164 | 0.0% |
| 1622 | Scott County | Indiana | 25,053 | 0.8% |
| 1623 | Posey County | Indiana | 24,988 | -0.3% |
| 1624 | Somerset County | Maryland | 24,973 | 0.9% |
| 1625 | Uvalde County | Texas | 24,963 | 0.0% |
| 1626 | Abbeville County | South Carolina | 24,836 | 0.6% |
| 1627 | Barton County | Kansas | 24,790 | -0.5% |
| 1628 | Jackson County | Oklahoma | 24,764 | 0.6% |
| 1629 | Teller County | Colorado | 24,756 | 0.1% |
| 1630 | Harlan County | Kentucky | 24,725 | -1.3% |
| 1631 | Mason County | West Virginia | 24,707 | -0.2% |
| 1632 | Antrim County | Michigan | 24,698 | 1.1% |
| 1633 | Lauderdale County | Tennessee | 24,617 | 0.3% |
| 1634 | Barbour County | Alabama | 24,607 | 0.4% |
| 1635 | Yates County | New York | 24,547 | 0.5% |
| 1636 | Audrain County | Missouri | 24,528 | 0.8% |
| 1637 | Randolph County | Missouri | 24,513 | 0.5% |
| 1638 | Rowan County | Kentucky | 24,476 | -0.2% |
| 1639 | Dawson County | Nebraska | 24,452 | -0.3% |
| 1640 | Randolph County | Indiana | 24,438 | 0.2% |
| 1641 | Burke County | Georgia | 24,408 | 0.2% |
| 1642 | Tattnall County | Georgia | 24,376 | -0.1% |
| 1643 | Pacific County | Washington | 24,357 | 0.5% |
| 1644 | Klickitat County | Washington | 24,331 | 1.4% |
| 1645 | Shelby County | Texas | 24,286 | -0.2% |
| 1646 | Itawamba County | Mississippi | 24,152 | -0.2% |
| 1647 | Hampshire County | West Virginia | 24,105 | 1.4% |
| 1648 | Marion County | Mississippi | 24,001 | -0.4% |
| 1649 | McDonald County | Missouri | 23,992 | 0.7% |
| 1650 | Gaines County | Texas | 23,956 | 2.9% |
3144 ranked entries.