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 |
|---|---|---|---|---|
| 1251 | Marshall County | Kentucky | 0.0% | 31,659 |
| 1252 | Butler County | Missouri | 0.0% | 41,904 |
| 1253 | Bradford County | Pennsylvania | 0.0% | 59,600 |
| 1254 | Juneau County | Wisconsin | 0.0% | 26,649 |
| 1255 | Richmond County | Georgia | 0.0% | 206,559 |
| 1256 | Orangeburg County | South Carolina | 0.0% | 83,177 |
| 1257 | Sandusky County | Ohio | 0.0% | 58,655 |
| 1258 | Peoria County | Illinois | 0.0% | 178,553 |
| 1259 | Clinton County | Iowa | 0.0% | 46,002 |
| 1260 | Osage County | Oklahoma | 0.0% | 46,794 |
| 1261 | Transylvania County | North Carolina | 0.0% | 34,211 |
| 1262 | Walworth County | Wisconsin | 0.0% | 106,127 |
| 1263 | Christian County | Illinois | 0.0% | 33,443 |
| 1264 | Montgomery County | Alabama | 0.0% | 225,891 |
| 1265 | Alameda County | California | 0.0% | 1,636,630 |
| 1266 | Benton County | Missouri | 0.0% | 20,536 |
| 1266 | Greene County | North Carolina | 0.0% | 20,700 |
| 1266 | Kenosha County | Wisconsin | 0.0% | 168,448 |
| 1269 | Virginia Beach city | Virginia | 0.0% | 453,737 |
| 1270 | Miller County | Arkansas | 0.0% | 42,357 |
| 1271 | Uvalde County | Texas | 0.0% | 24,963 |
| 1272 | Sioux County | Iowa | 0.0% | 36,774 |
| 1273 | Baltimore city | Maryland | 0.0% | 569,997 |
| 1274 | Carroll County | Tennessee | 0.0% | 29,200 |
| 1275 | Milwaukee County | Wisconsin | 0.0% | 924,216 |
| 1276 | Wharton County | Texas | 0.0% | 42,060 |
| 1277 | Carter County | Tennessee | 0.0% | 57,361 |
| 1278 | Douglas County | Kansas | 0.0% | 120,920 |
| 1279 | White County | Indiana | 0.0% | 25,164 |
| 1280 | Midland County | Michigan | 0.0% | 83,754 |
| 1281 | Broward County | Florida | 0.0% | 2,013,317 |
| 1282 | Noble County | Indiana | 0.0% | 47,937 |
| 1283 | Genesee County | New York | 0.0% | 58,416 |
| 1284 | Escambia County | Alabama | 0.0% | 36,665 |
| 1285 | Platte County | Nebraska | 0.0% | 35,649 |
| 1286 | Jackson County | Michigan | 0.0% | 159,552 |
| 1287 | Holmes County | Florida | 0.0% | 20,119 |
| 1288 | El Dorado County | California | 0.0% | 192,323 |
| 1289 | Pittsylvania County | Virginia | 0.0% | 59,490 |
| 1290 | Green County | Wisconsin | 0.0% | 37,227 |
| 1291 | St. Joseph County | Indiana | 0.0% | 272,861 |
| 1292 | Bureau County | Illinois | 0.0% | 32,510 |
| 1293 | Barry County | Michigan | 0.0% | 63,991 |
| 1294 | Blount County | Alabama | 0.0% | 60,156 |
| 1295 | Wilkes County | North Carolina | 0.0% | 66,233 |
| 1296 | Orange County | Vermont | 0.0% | 30,002 |
| 1297 | Tipton County | Tennessee | 0.0% | 62,287 |
| 1298 | Mahoning County | Ohio | 0.0% | 224,706 |
| 1299 | Clarendon County | South Carolina | 0.0% | 31,043 |
| 1300 | Morgan County | Colorado | 0.0% | 30,306 |
1830 ranked entries.