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 |
|---|---|---|---|---|
| 701 | Providence County | Rhode Island | 0.5% | 678,179 |
| 702 | James City County | Virginia | 0.5% | 83,326 |
| 703 | Butler County | Kansas | 0.5% | 69,484 |
| 704 | Salem County | New Jersey | 0.5% | 66,280 |
| 705 | Schenectady County | New York | 0.5% | 162,581 |
| 706 | Perry County | Pennsylvania | 0.5% | 46,806 |
| 707 | Yolo County | California | 0.5% | 224,410 |
| 708 | Spokane County | Washington | 0.5% | 558,344 |
| 709 | Santa Cruz County | Arizona | 0.5% | 50,020 |
| 710 | DeSoto County | Florida | 0.5% | 37,078 |
| 711 | Coshocton County | Ohio | 0.5% | 37,188 |
| 712 | Mercer County | Ohio | 0.5% | 42,737 |
| 713 | Van Wert County | Ohio | 0.5% | 29,013 |
| 714 | Gladwin County | Michigan | 0.5% | 26,077 |
| 715 | Washington County | Oregon | 0.5% | 611,708 |
| 716 | Victoria County | Texas | 0.5% | 92,656 |
| 717 | Holmes County | Ohio | 0.5% | 44,970 |
| 718 | Allegan County | Michigan | 0.5% | 123,188 |
| 719 | Columbia County | Florida | 0.5% | 74,094 |
| 720 | Barren County | Kentucky | 0.5% | 45,641 |
| 721 | Murray County | Georgia | 0.5% | 41,607 |
| 722 | Logan County | Ohio | 0.5% | 46,302 |
| 723 | Marshall County | Tennessee | 0.5% | 38,071 |
| 724 | Craighead County | Arkansas | 0.5% | 116,957 |
| 725 | Capitol Planning Region | Connecticut | 0.5% | 994,115 |
| 726 | Montgomery County | Ohio | 0.5% | 539,598 |
| 727 | Ashe County | North Carolina | 0.5% | 27,514 |
| 728 | Orange County | North Carolina | 0.5% | 152,498 |
| 729 | Pacific County | Washington | 0.5% | 24,357 |
| 730 | Mercer County | New Jersey | 0.5% | 399,289 |
| 731 | Coryell County | Texas | 0.5% | 85,592 |
| 732 | Pierce County | Wisconsin | 0.5% | 43,519 |
| 733 | Lawrence County | Missouri | 0.5% | 39,401 |
| 734 | Rock County | Wisconsin | 0.5% | 166,472 |
| 735 | Dutchess County | New York | 0.5% | 300,708 |
| 736 | Montcalm County | Michigan | 0.5% | 69,406 |
| 737 | Pontotoc County | Oklahoma | 0.5% | 38,528 |
| 738 | Lee County | Mississippi | 0.5% | 83,731 |
| 739 | Franklin County | Kentucky | 0.5% | 52,649 |
| 740 | Northeastern Connecticut Planning Region | Connecticut | 0.5% | 98,096 |
| 741 | Oklahoma County | Oklahoma | 0.5% | 822,125 |
| 742 | Pope County | Arkansas | 0.5% | 64,976 |
| 743 | Albany County | New York | 0.5% | 321,225 |
| 744 | Chippewa County | Wisconsin | 0.5% | 67,614 |
| 745 | Hawaii County | Hawaii | 0.5% | 210,043 |
| 746 | Cumberland County | New Jersey | 0.5% | 157,148 |
| 747 | Logan County | Arkansas | 0.5% | 21,633 |
| 748 | Oconto County | Wisconsin | 0.5% | 40,195 |
| 749 | Vanderburgh County | Indiana | 0.5% | 181,995 |
| 750 | Dunn County | Wisconsin | 0.5% | 46,223 |
1830 ranked entries.