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 |
|---|---|---|---|---|
| 1601 | Columbia County | New York | -0.4% | 60,168 |
| 1602 | Newport County | Rhode Island | -0.4% | 83,051 |
| 1603 | Jennings County | Indiana | -0.4% | 27,622 |
| 1604 | Warren County | New York | -0.4% | 65,020 |
| 1605 | Johnson County | Kentucky | -0.4% | 22,051 |
| 1606 | Cayuga County | New York | -0.4% | 74,365 |
| 1607 | Elmore County | Idaho | -0.4% | 29,465 |
| 1608 | Tippah County | Mississippi | -0.4% | 21,389 |
| 1609 | Hampshire County | Massachusetts | -0.4% | 164,065 |
| 1610 | Queens County | New York | -0.4% | 2,358,182 |
| 1611 | Iberville Parish | Louisiana | -0.4% | 29,579 |
| 1612 | Island County | Washington | -0.4% | 85,657 |
| 1613 | Morgan County | Illinois | -0.4% | 32,515 |
| 1614 | St. Martin Parish | Louisiana | -0.4% | 51,106 |
| 1615 | Cheboygan County | Michigan | -0.4% | 25,793 |
| 1616 | Emanuel County | Georgia | -0.4% | 23,147 |
| 1617 | Macoupin County | Illinois | -0.4% | 43,748 |
| 1618 | Bernalillo County | New Mexico | -0.4% | 667,601 |
| 1619 | Sanilac County | Michigan | -0.4% | 40,083 |
| 1620 | Russell County | Virginia | -0.4% | 25,332 |
| 1621 | Apache County | Arizona | -0.4% | 64,445 |
| 1622 | Coos County | Oregon | -0.4% | 63,992 |
| 1623 | Sullivan County | New York | -0.4% | 80,586 |
| 1624 | Hinds County | Mississippi | -0.4% | 211,888 |
| 1625 | Lyon County | Minnesota | -0.4% | 25,684 |
| 1626 | Delaware County | New York | -0.4% | 44,305 |
| 1627 | Oneida County | New York | -0.4% | 226,392 |
| 1628 | Summit County | Colorado | -0.4% | 31,517 |
| 1629 | Washington County | Virginia | -0.4% | 53,898 |
| 1630 | Churchill County | Nevada | -0.4% | 25,851 |
| 1631 | Calhoun County | Alabama | -0.4% | 115,834 |
| 1632 | Monroe County | Mississippi | -0.4% | 33,318 |
| 1633 | Hall County | Nebraska | -0.4% | 63,633 |
| 1634 | Knox County | Kentucky | -0.4% | 29,532 |
| 1635 | Knox County | Illinois | -0.4% | 47,767 |
| 1636 | Boyd County | Kentucky | -0.4% | 47,751 |
| 1637 | Orleans County | Vermont | -0.4% | 27,600 |
| 1638 | Gratiot County | Michigan | -0.4% | 41,190 |
| 1639 | Bee County | Texas | -0.4% | 32,515 |
| 1640 | Washington County | Maine | -0.4% | 31,334 |
| 1641 | Trumbull County | Ohio | -0.4% | 198,972 |
| 1642 | Adams County | Nebraska | -0.4% | 31,071 |
| 1643 | Jefferson County | Ohio | -0.4% | 63,597 |
| 1644 | Blair County | Pennsylvania | -0.4% | 119,541 |
| 1645 | Marshall County | West Virginia | -0.4% | 29,159 |
| 1646 | Garfield County | Oklahoma | -0.4% | 61,779 |
| 1647 | Lawrence County | Ohio | -0.4% | 55,710 |
| 1648 | Washington Parish | Louisiana | -0.4% | 44,937 |
| 1649 | Dillon County | South Carolina | -0.4% | 27,458 |
| 1650 | Nicholas County | West Virginia | -0.4% | 23,848 |
1830 ranked entries.