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 |
|---|---|---|---|---|
| 651 | Nash County | North Carolina | 0.6% | 99,365 |
| 652 | Lawrence County | Tennessee | 0.6% | 46,914 |
| 653 | Elmore County | Alabama | 0.6% | 91,577 |
| 654 | Essex County | New Jersey | 0.6% | 896,379 |
| 655 | Olmsted County | Minnesota | 0.6% | 166,731 |
| 656 | Ray County | Missouri | 0.6% | 23,398 |
| 657 | St. Bernard Parish | Louisiana | 0.6% | 45,642 |
| 658 | Lawrence County | Alabama | 0.6% | 33,843 |
| 659 | Outagamie County | Wisconsin | 0.6% | 195,894 |
| 660 | Alexander County | North Carolina | 0.6% | 36,958 |
| 661 | Cass County | Nebraska | 0.6% | 27,657 |
| 662 | Ross County | Ohio | 0.6% | 76,429 |
| 663 | Rice County | Minnesota | 0.6% | 69,939 |
| 664 | Fannin County | Georgia | 0.6% | 26,111 |
| 665 | Cobb County | Georgia | 0.6% | 793,345 |
| 666 | Brown County | Wisconsin | 0.6% | 275,803 |
| 667 | Rockingham County | North Carolina | 0.6% | 94,195 |
| 668 | Independence County | Arkansas | 0.6% | 38,785 |
| 669 | Houston County | Alabama | 0.6% | 110,318 |
| 670 | Jackson County | Oklahoma | 0.6% | 24,764 |
| 671 | Morris County | New Jersey | 0.6% | 524,251 |
| 672 | Lamoille County | Vermont | 0.6% | 26,294 |
| 673 | Tift County | Georgia | 0.6% | 42,254 |
| 674 | Randolph County | Missouri | 0.5% | 24,513 |
| 675 | Skagit County | Washington | 0.5% | 132,975 |
| 676 | Scott County | Mississippi | 0.5% | 28,073 |
| 677 | Hudson County | New Jersey | 0.5% | 735,033 |
| 678 | Oldham County | Kentucky | 0.5% | 70,986 |
| 679 | San Jacinto County | Texas | 0.5% | 29,488 |
| 680 | DeSoto County | Mississippi | 0.5% | 197,918 |
| 681 | Bradford County | Florida | 0.5% | 28,307 |
| 682 | Clark County | Kentucky | 0.5% | 37,888 |
| 683 | Worcester County | Massachusetts | 0.5% | 888,502 |
| 684 | Yavapai County | Arizona | 0.5% | 252,552 |
| 685 | St. Francois County | Missouri | 0.5% | 67,809 |
| 686 | Winnebago County | Wisconsin | 0.5% | 174,218 |
| 687 | Bossier Parish | Louisiana | 0.5% | 131,867 |
| 688 | Sacramento County | California | 0.5% | 1,618,460 |
| 689 | Jackson County | Missouri | 0.5% | 732,994 |
| 690 | Strafford County | New Hampshire | 0.5% | 135,043 |
| 691 | Brown County | Ohio | 0.5% | 44,397 |
| 692 | Cecil County | Maryland | 0.5% | 107,131 |
| 693 | Payette County | Idaho | 0.5% | 27,824 |
| 694 | Scott County | Tennessee | 0.5% | 22,671 |
| 695 | Jackson County | Mississippi | 0.5% | 147,666 |
| 696 | Hunterdon County | New Jersey | 0.5% | 131,781 |
| 697 | Miller County | Missouri | 0.5% | 25,817 |
| 698 | Madison County | Tennessee | 0.5% | 100,790 |
| 699 | Union County | New Jersey | 0.5% | 601,863 |
| 700 | St. Tammany Parish | Louisiana | 0.5% | 279,108 |
1830 ranked entries.