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 |
|---|---|---|---|---|
| 751 | Hot Spring County | Arkansas | 0.5% | 33,451 |
| 752 | Montague County | Texas | 0.5% | 21,966 |
| 753 | Warren County | New Jersey | 0.5% | 112,953 |
| 754 | Randolph County | North Carolina | 0.5% | 149,516 |
| 755 | Henry County | Missouri | 0.5% | 22,671 |
| 756 | Bristol County | Massachusetts | 0.5% | 593,640 |
| 757 | Schuylkill County | Pennsylvania | 0.5% | 145,085 |
| 758 | Chester County | Pennsylvania | 0.5% | 557,116 |
| 759 | Carson City | Nevada | 0.5% | 58,571 |
| 760 | Madison County | Georgia | 0.5% | 32,919 |
| 761 | Yates County | New York | 0.5% | 24,547 |
| 762 | Will County | Illinois | 0.5% | 712,253 |
| 763 | Lee County | Georgia | 0.5% | 34,179 |
| 764 | Orange County | Florida | 0.5% | 1,528,002 |
| 765 | Walker County | Texas | 0.5% | 83,842 |
| 766 | Newaygo County | Michigan | 0.5% | 51,622 |
| 767 | LaGrange County | Indiana | 0.5% | 41,305 |
| 768 | Caswell County | North Carolina | 0.5% | 22,563 |
| 769 | Seminole County | Florida | 0.5% | 491,884 |
| 770 | Robeson County | North Carolina | 0.5% | 119,941 |
| 771 | Oakland County | Michigan | 0.5% | 1,288,337 |
| 772 | Limestone County | Texas | 0.4% | 22,849 |
| 773 | Dodge County | Minnesota | 0.4% | 21,376 |
| 774 | Boone County | Missouri | 0.4% | 191,746 |
| 775 | Kane County | Illinois | 0.4% | 525,757 |
| 776 | DeKalb County | Indiana | 0.4% | 44,535 |
| 777 | Prince George County | Virginia | 0.4% | 43,936 |
| 778 | East Baton Rouge Parish | Louisiana | 0.4% | 456,180 |
| 779 | Gloucester County | New Jersey | 0.4% | 312,638 |
| 780 | Escambia County | Florida | 0.4% | 333,834 |
| 781 | Butler County | Pennsylvania | 0.4% | 200,169 |
| 782 | Penobscot County | Maine | 0.4% | 157,967 |
| 783 | Grant County | Indiana | 0.4% | 66,524 |
| 784 | Marinette County | Wisconsin | 0.4% | 42,574 |
| 785 | Western Connecticut Planning Region | Connecticut | 0.4% | 640,482 |
| 786 | Floyd County | Indiana | 0.4% | 82,153 |
| 787 | Doña Ana County | New Mexico | 0.4% | 229,091 |
| 788 | Nobles County | Minnesota | 0.4% | 22,338 |
| 789 | Jefferson County | Missouri | 0.4% | 233,132 |
| 790 | Clare County | Michigan | 0.4% | 31,543 |
| 791 | Wyandotte County | Kansas | 0.4% | 170,597 |
| 792 | Roanoke city | Virginia | 0.4% | 99,111 |
| 793 | Cascade County | Montana | 0.4% | 85,029 |
| 794 | Comanche County | Oklahoma | 0.4% | 122,158 |
| 795 | Upshur County | West Virginia | 0.4% | 23,758 |
| 796 | Macomb County | Michigan | 0.4% | 886,221 |
| 797 | Lake County | Indiana | 0.4% | 504,612 |
| 798 | Randolph County | Alabama | 0.4% | 23,163 |
| 799 | Sussex County | New Jersey | 0.4% | 148,063 |
| 800 | Douglas County | Minnesota | 0.4% | 40,120 |
1830 ranked entries.