Fastest-growing counties in the US
Compare annual population growth in US counties and county equivalents.
U.S. Census Bureau Population EstimatesPeriod: July 1, 2024–July 1, 2025 · Vintage 2025Retrieved 2026-10-05T08:10:35+00:00
Percent change = (current July 1 population − previous July 1 population) / previous population × 100. Both estimates use the same Census vintage. Includes counties and county equivalents with at least 20,000 residents in the previous year. This is observed population change, not a forecast.
Ranks are competition ranks computed across the full filtered set.
| Rank | Name | State | Growth | Population |
|---|---|---|---|---|
| 1651 | Dyer County | Tennessee | -0.4% | 36,320 |
| 1652 | Polk County | Minnesota | -0.4% | 30,545 |
| 1653 | Indiana County | Pennsylvania | -0.5% | 82,878 |
| 1654 | Chautauqua County | New York | -0.5% | 124,126 |
| 1655 | Cortland County | New York | -0.5% | 45,850 |
| 1656 | Bourbon County | Kentucky | -0.5% | 20,243 |
| 1657 | Stephenson County | Illinois | -0.5% | 43,220 |
| 1658 | Williamsburg County | South Carolina | -0.5% | 29,662 |
| 1659 | Simpson County | Mississippi | -0.5% | 25,498 |
| 1660 | Elk County | Pennsylvania | -0.5% | 29,926 |
| 1661 | Aroostook County | Maine | -0.5% | 66,609 |
| 1662 | McDuffie County | Georgia | -0.5% | 21,640 |
| 1663 | Erie County | Ohio | -0.5% | 73,296 |
| 1664 | Spencer County | Indiana | -0.5% | 20,061 |
| 1665 | Copiah County | Mississippi | -0.5% | 27,497 |
| 1666 | Caddo Parish | Louisiana | -0.5% | 224,226 |
| 1667 | Barron County | Wisconsin | -0.5% | 46,484 |
| 1668 | Willacy County | Texas | -0.5% | 19,971 |
| 1669 | Barton County | Kansas | -0.5% | 24,790 |
| 1670 | Charlottesville city | Virginia | -0.5% | 44,388 |
| 1671 | Fremont County | Wyoming | -0.5% | 39,464 |
| 1672 | Emmet County | Michigan | -0.5% | 33,775 |
| 1673 | Belmont County | Ohio | -0.5% | 64,434 |
| 1674 | Clarke County | Alabama | -0.5% | 22,014 |
| 1675 | Humboldt County | California | -0.5% | 131,647 |
| 1676 | Wayne County | West Virginia | -0.5% | 37,309 |
| 1677 | Pueblo County | Colorado | -0.5% | 169,277 |
| 1678 | McLeod County | Minnesota | -0.5% | 36,631 |
| 1679 | Chemung County | New York | -0.5% | 80,415 |
| 1680 | Carter County | Oklahoma | -0.5% | 48,910 |
| 1681 | Union County | Arkansas | -0.5% | 36,926 |
| 1682 | Elbert County | Georgia | -0.5% | 20,072 |
| 1683 | Fulton County | Ohio | -0.5% | 41,853 |
| 1684 | Meade County | South Dakota | -0.5% | 30,711 |
| 1685 | Lee County | Iowa | -0.5% | 32,306 |
| 1686 | Garfield County | Colorado | -0.5% | 63,474 |
| 1687 | Columbia County | Arkansas | -0.5% | 21,894 |
| 1688 | Fayette County | Ohio | -0.5% | 28,552 |
| 1689 | Los Angeles County | California | -0.6% | 9,694,934 |
| 1690 | Whiteside County | Illinois | -0.6% | 54,121 |
| 1691 | Routt County | Colorado | -0.6% | 25,329 |
| 1692 | Caddo County | Oklahoma | -0.6% | 26,130 |
| 1693 | Henry County | Virginia | -0.6% | 49,242 |
| 1694 | Raleigh County | West Virginia | -0.6% | 71,775 |
| 1695 | Shelby County | Tennessee | -0.6% | 910,226 |
| 1696 | Wasco County | Oregon | -0.6% | 26,310 |
| 1697 | Ouachita County | Arkansas | -0.6% | 21,731 |
| 1698 | Plaquemines Parish | Louisiana | -0.6% | 22,256 |
| 1699 | Texas County | Oklahoma | -0.6% | 20,322 |
| 1700 | Marshall County | Iowa | -0.6% | 39,890 |
1830 ranked entries.