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 |
|---|---|---|---|---|
| 1701 | Caswell County | North Carolina | 22,563 | 0.5% |
| 1702 | Madison County | North Carolina | 22,553 | 0.4% |
| 1703 | Asotin County | Washington | 22,545 | 0.0% |
| 1704 | Allen County | Kentucky | 22,536 | 2.0% |
| 1705 | Poinsett County | Arkansas | 22,483 | 0.7% |
| 1706 | Morgan County | Missouri | 22,418 | 0.3% |
| 1707 | Prince Edward County | Virginia | 22,391 | 0.3% |
| 1708 | Hubbard County | Minnesota | 22,369 | 1.1% |
| 1709 | Nobles County | Minnesota | 22,338 | 0.4% |
| 1710 | Lincoln County | Montana | 22,328 | 0.8% |
| 1711 | Houston County | Texas | 22,316 | -0.1% |
| 1712 | Sumner County | Kansas | 22,312 | -0.3% |
| 1713 | Bibb County | Alabama | 22,262 | 0.2% |
| 1714 | Plaquemines Parish | Louisiana | 22,256 | -0.6% |
| 1715 | Morgan County | Tennessee | 22,160 | 0.4% |
| 1716 | Beckham County | Oklahoma | 22,159 | -0.1% |
| 1717 | Morgan County | Georgia | 22,095 | 0.6% |
| 1718 | Grant Parish | Louisiana | 22,075 | -0.2% |
| 1719 | Johnson County | Kentucky | 22,051 | -0.4% |
| 1720 | Clarke County | Alabama | 22,014 | -0.5% |
| 1721 | Montague County | Texas | 21,966 | 0.5% |
| 1722 | Greene County | Virginia | 21,958 | 1.2% |
| 1723 | Columbia County | Arkansas | 21,894 | -0.5% |
| 1724 | Moore County | Texas | 21,891 | 1.0% |
| 1725 | Owen County | Indiana | 21,886 | 1.1% |
| 1726 | Mahaska County | Iowa | 21,880 | -0.1% |
| 1727 | DeKalb County | Tennessee | 21,873 | 0.9% |
| 1728 | Colusa County | California | 21,836 | -0.8% |
| 1729 | Sabine Parish | Louisiana | 21,834 | 0.1% |
| 1730 | St. Francis County | Arkansas | 21,800 | -0.6% |
| 1731 | Gem County | Idaho | 21,773 | 1.5% |
| 1732 | Anson County | North Carolina | 21,758 | 1.1% |
| 1733 | Adams County | Wisconsin | 21,752 | 0.9% |
| 1734 | Ouachita County | Arkansas | 21,731 | -0.6% |
| 1735 | Gage County | Nebraska | 21,711 | 0.1% |
| 1736 | Dakota County | Nebraska | 21,687 | 0.9% |
| 1737 | Leake County | Mississippi | 21,662 | 0.3% |
| 1738 | Clinton County | Missouri | 21,661 | -0.1% |
| 1739 | Lee County | Virginia | 21,642 | -0.6% |
| 1740 | McDuffie County | Georgia | 21,640 | -0.5% |
| 1741 | Logan County | Arkansas | 21,633 | 0.5% |
| 1742 | Martin County | North Carolina | 21,601 | 0.2% |
| 1743 | Hockley County | Texas | 21,600 | 0.4% |
| 1744 | Jo Daviess County | Illinois | 21,594 | -0.3% |
| 1745 | Meigs County | Ohio | 21,587 | 0.1% |
| 1746 | Wyandot County | Ohio | 21,567 | 0.0% |
| 1747 | Long County | Georgia | 21,557 | 5.2% |
| 1748 | Fillmore County | Minnesota | 21,540 | 0.2% |
| 1749 | Wabasha County | Minnesota | 21,537 | -0.1% |
| 1750 | Meriwether County | Georgia | 21,516 | 0.8% |
3144 ranked entries.