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 |
|---|---|---|---|---|
| 251 | Barry County | Missouri | 1.3% | 36,200 |
| 252 | Coweta County | Georgia | 1.3% | 160,240 |
| 253 | Okanogan County | Washington | 1.3% | 45,230 |
| 254 | Lafayette Parish | Louisiana | 1.3% | 257,949 |
| 255 | Lynchburg city | Virginia | 1.3% | 81,347 |
| 256 | Benton County | Washington | 1.3% | 221,722 |
| 257 | Boone County | Kentucky | 1.3% | 145,316 |
| 258 | Warren County | Missouri | 1.3% | 39,016 |
| 259 | Cass County | North Dakota | 1.3% | 201,794 |
| 260 | Jefferson County | Idaho | 1.3% | 35,297 |
| 261 | Dorchester County | Maryland | 1.3% | 33,628 |
| 262 | Greene County | Ohio | 1.3% | 174,322 |
| 263 | Davidson County | Tennessee | 1.3% | 745,904 |
| 264 | Fannin County | Texas | 1.3% | 39,265 |
| 265 | Cherokee County | Alabama | 1.2% | 26,413 |
| 266 | Morgan County | Indiana | 1.2% | 74,967 |
| 267 | Clermont County | Ohio | 1.2% | 216,977 |
| 268 | Peach County | Georgia | 1.2% | 29,877 |
| 269 | Sandoval County | New Mexico | 1.2% | 159,565 |
| 270 | Pickaway County | Ohio | 1.2% | 62,978 |
| 271 | Davidson County | North Carolina | 1.2% | 180,182 |
| 272 | Livingston Parish | Louisiana | 1.2% | 155,036 |
| 273 | Atascosa County | Texas | 1.2% | 53,590 |
| 274 | Laramie County | Wyoming | 1.2% | 102,938 |
| 275 | Miami County | Kansas | 1.2% | 36,240 |
| 276 | Pottawatomie County | Kansas | 1.2% | 27,186 |
| 277 | Fairfield County | Ohio | 1.2% | 169,752 |
| 278 | Platte County | Missouri | 1.2% | 114,400 |
| 279 | Navarro County | Texas | 1.2% | 57,181 |
| 280 | Smith County | Texas | 1.2% | 252,549 |
| 281 | Bell County | Texas | 1.2% | 402,248 |
| 282 | White County | Arkansas | 1.2% | 80,085 |
| 283 | Franklin County | Washington | 1.2% | 102,612 |
| 284 | DeKalb County | Illinois | 1.2% | 101,835 |
| 285 | Matanuska-Susitna Borough | Alaska | 1.2% | 118,666 |
| 286 | Madison County | Mississippi | 1.2% | 116,298 |
| 287 | Gilmer County | Georgia | 1.2% | 33,894 |
| 288 | Charles County | Maryland | 1.2% | 176,593 |
| 289 | Lincoln County | Kentucky | 1.2% | 25,353 |
| 290 | St. Clair County | Alabama | 1.2% | 98,206 |
| 291 | Stafford County | Virginia | 1.2% | 170,803 |
| 292 | Carroll County | Georgia | 1.2% | 131,036 |
| 293 | Fayette County | Tennessee | 1.2% | 45,071 |
| 294 | Harrison County | Mississippi | 1.2% | 217,136 |
| 295 | McMinn County | Tennessee | 1.2% | 57,404 |
| 296 | Bradley County | Tennessee | 1.2% | 115,465 |
| 297 | Polk County | Missouri | 1.2% | 33,604 |
| 298 | Hickman County | Tennessee | 1.2% | 26,219 |
| 299 | Wayne County | Georgia | 1.2% | 32,481 |
| 300 | Greene County | Virginia | 1.2% | 21,958 |
1830 ranked entries.