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 |
|---|---|---|---|---|
| 101 | Wagoner County | Oklahoma | 2.1% | 93,263 |
| 102 | Madison County | Kentucky | 2.1% | 101,696 |
| 103 | Clark County | Indiana | 2.1% | 130,451 |
| 104 | Douglas County | Washington | 2.1% | 46,473 |
| 105 | Lee County | North Carolina | 2.1% | 70,258 |
| 106 | Box Elder County | Utah | 2.1% | 65,320 |
| 107 | Moore County | North Carolina | 2.1% | 110,619 |
| 108 | Staunton city | Virginia | 2.1% | 26,801 |
| 109 | Lyon County | Nevada | 2.1% | 65,088 |
| 110 | Midland County | Texas | 2.1% | 187,855 |
| 111 | Ada County | Idaho | 2.0% | 546,141 |
| 112 | Dorchester County | South Carolina | 2.0% | 178,397 |
| 113 | Union County | Ohio | 2.0% | 73,446 |
| 114 | Haralson County | Georgia | 2.0% | 33,066 |
| 115 | Mason County | Washington | 2.0% | 71,165 |
| 116 | Manatee County | Florida | 2.0% | 468,200 |
| 117 | Allen County | Kentucky | 2.0% | 22,536 |
| 118 | Hamilton County | Indiana | 1.9% | 387,036 |
| 119 | Weld County | Colorado | 1.9% | 378,426 |
| 120 | Bryan County | Georgia | 1.9% | 52,062 |
| 121 | Stanly County | North Carolina | 1.9% | 68,830 |
| 122 | Spotsylvania County | Virginia | 1.9% | 155,388 |
| 123 | Edgefield County | South Carolina | 1.9% | 29,808 |
| 124 | Warren County | Kentucky | 1.9% | 149,375 |
| 125 | Wright County | Minnesota | 1.9% | 157,559 |
| 126 | Henry County | Georgia | 1.9% | 264,922 |
| 127 | Utah County | Utah | 1.9% | 759,859 |
| 128 | Laurens County | South Carolina | 1.9% | 71,848 |
| 129 | Hernando County | Florida | 1.9% | 221,701 |
| 130 | Johnson County | Indiana | 1.9% | 174,262 |
| 131 | Houston County | Georgia | 1.9% | 178,214 |
| 132 | Putnam County | Tennessee | 1.9% | 86,612 |
| 133 | George County | Mississippi | 1.9% | 26,331 |
| 134 | Brazoria County | Texas | 1.9% | 419,080 |
| 135 | Sanpete County | Utah | 1.9% | 31,453 |
| 136 | Sarpy County | Nebraska | 1.9% | 208,303 |
| 137 | Ector County | Texas | 1.8% | 173,801 |
| 138 | Kootenai County | Idaho | 1.8% | 191,864 |
| 139 | Levy County | Florida | 1.8% | 48,520 |
| 140 | Bryan County | Oklahoma | 1.8% | 51,367 |
| 141 | Camden County | Georgia | 1.8% | 60,143 |
| 142 | Grayson County | Texas | 1.8% | 153,613 |
| 143 | Simpson County | Kentucky | 1.8% | 20,788 |
| 144 | Frederick County | Virginia | 1.8% | 99,955 |
| 145 | Burnet County | Texas | 1.8% | 57,015 |
| 146 | Placer County | California | 1.8% | 442,081 |
| 147 | Loudon County | Tennessee | 1.8% | 63,764 |
| 148 | Aransas County | Texas | 1.8% | 26,146 |
| 149 | Catawba County | North Carolina | 1.8% | 170,172 |
| 150 | Cherokee County | Georgia | 1.8% | 299,273 |
1830 ranked entries.