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 |
|---|---|---|---|---|
| 201 | Warren County | Iowa | 1.5% | 57,331 |
| 202 | Jessamine County | Kentucky | 1.5% | 57,147 |
| 203 | Campbell County | Kentucky | 1.5% | 95,441 |
| 204 | Pike County | Alabama | 1.5% | 33,688 |
| 205 | Douglas County | Georgia | 1.5% | 154,293 |
| 206 | Oconee County | South Carolina | 1.5% | 83,775 |
| 207 | Lamar County | Georgia | 1.5% | 20,941 |
| 208 | Gaston County | North Carolina | 1.5% | 246,558 |
| 209 | Kittitas County | Washington | 1.4% | 48,803 |
| 210 | San Benito County | California | 1.4% | 70,082 |
| 211 | Hendricks County | Indiana | 1.4% | 193,510 |
| 212 | Durham County | North Carolina | 1.4% | 347,240 |
| 213 | Forsyth County | Georgia | 1.4% | 282,805 |
| 214 | Washington County | Arkansas | 1.4% | 271,213 |
| 215 | Bonner County | Idaho | 1.4% | 54,420 |
| 216 | Greene County | Georgia | 1.4% | 21,367 |
| 217 | Yuba County | California | 1.4% | 88,691 |
| 218 | Queen Anne's County | Maryland | 1.4% | 54,448 |
| 219 | Effingham County | Georgia | 1.4% | 74,397 |
| 220 | Gillespie County | Texas | 1.4% | 28,527 |
| 221 | Grady County | Oklahoma | 1.4% | 59,128 |
| 222 | Hampshire County | West Virginia | 1.4% | 24,105 |
| 223 | Spencer County | Kentucky | 1.4% | 20,998 |
| 224 | Creek County | Oklahoma | 1.4% | 74,967 |
| 225 | Pasquotank County | North Carolina | 1.4% | 42,201 |
| 226 | Chester County | South Carolina | 1.4% | 33,001 |
| 227 | Valencia County | New Mexico | 1.4% | 82,013 |
| 228 | Yuma County | Arizona | 1.4% | 224,449 |
| 229 | Washington County | Minnesota | 1.4% | 286,895 |
| 230 | Randall County | Texas | 1.4% | 152,351 |
| 231 | Faulkner County | Arkansas | 1.4% | 133,979 |
| 232 | Lincoln County | Missouri | 1.4% | 66,676 |
| 233 | Cherokee County | North Carolina | 1.4% | 30,830 |
| 234 | York County | South Carolina | 1.4% | 306,887 |
| 235 | Jefferson County | Tennessee | 1.4% | 60,024 |
| 236 | Fredericksburg city | Virginia | 1.4% | 30,393 |
| 237 | Macon County | Tennessee | 1.4% | 27,663 |
| 238 | Klickitat County | Washington | 1.4% | 24,331 |
| 239 | Whitman County | Washington | 1.4% | 48,512 |
| 240 | Hall County | Georgia | 1.4% | 226,568 |
| 241 | Loudoun County | Virginia | 1.4% | 449,749 |
| 242 | Frederick County | Maryland | 1.3% | 302,883 |
| 243 | Giles County | Tennessee | 1.3% | 31,433 |
| 244 | Habersham County | Georgia | 1.3% | 50,416 |
| 245 | Cullman County | Alabama | 1.3% | 94,009 |
| 246 | Calloway County | Kentucky | 1.3% | 39,421 |
| 247 | Williamson County | Tennessee | 1.3% | 272,061 |
| 248 | Van Zandt County | Texas | 1.3% | 66,130 |
| 249 | Galveston County | Texas | 1.3% | 372,207 |
| 250 | White County | Tennessee | 1.3% | 29,612 |
1830 ranked entries.