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 |
|---|---|---|---|---|
| 1301 | Belknap County | New Hampshire | 0.0% | 65,147 |
| 1302 | Ashtabula County | Ohio | 0.0% | 96,713 |
| 1303 | Yamhill County | Oregon | 0.0% | 110,024 |
| 1304 | Sheboygan County | Wisconsin | 0.0% | 118,047 |
| 1305 | Colorado County | Texas | 0.0% | 21,439 |
| 1306 | Rapides Parish | Louisiana | 0.0% | 125,877 |
| 1307 | Van Buren County | Michigan | 0.0% | 76,071 |
| 1308 | Carlton County | Minnesota | 0.0% | 36,711 |
| 1309 | New York County | New York | 0.0% | 1,664,862 |
| 1310 | Saginaw County | Michigan | 0.0% | 187,688 |
| 1311 | Clearfield County | Pennsylvania | 0.0% | 78,100 |
| 1312 | Norfolk city | Virginia | 0.0% | 231,013 |
| 1313 | Jefferson County | Wisconsin | 0.0% | 86,505 |
| 1314 | Wabash County | Indiana | 0.0% | 30,713 |
| 1315 | Kleberg County | Texas | 0.0% | 30,315 |
| 1316 | Brown County | Texas | 0.0% | 38,711 |
| 1317 | Allegany County | New York | 0.0% | 46,800 |
| 1318 | Lenawee County | Michigan | 0.0% | 97,779 |
| 1319 | Genesee County | Michigan | 0.0% | 401,093 |
| 1320 | LaPorte County | Indiana | 0.0% | 111,294 |
| 1321 | Fond du Lac County | Wisconsin | 0.0% | 104,669 |
| 1322 | Covington County | Alabama | -0.1% | 37,947 |
| 1323 | Richland County | Ohio | -0.1% | 124,893 |
| 1324 | Teton County | Wyoming | -0.1% | 23,333 |
| 1325 | Kewaunee County | Wisconsin | -0.1% | 20,758 |
| 1326 | McLean County | Illinois | -0.1% | 171,419 |
| 1327 | Northumberland County | Pennsylvania | -0.1% | 89,920 |
| 1328 | Kauai County | Hawaii | -0.1% | 73,400 |
| 1329 | Hood River County | Oregon | -0.1% | 23,720 |
| 1330 | Pike County | Ohio | -0.1% | 27,061 |
| 1331 | St. Louis County | Minnesota | -0.1% | 200,518 |
| 1332 | Cuyahoga County | Ohio | -0.1% | 1,232,925 |
| 1333 | La Plata County | Colorado | -0.1% | 56,898 |
| 1334 | Gray County | Texas | -0.1% | 20,919 |
| 1335 | Tattnall County | Georgia | -0.1% | 24,376 |
| 1336 | Auglaize County | Ohio | -0.1% | 45,909 |
| 1337 | Benton County | Minnesota | -0.1% | 41,744 |
| 1338 | Montezuma County | Colorado | -0.1% | 26,678 |
| 1339 | Hampton city | Virginia | -0.1% | 137,315 |
| 1340 | Effingham County | Illinois | -0.1% | 34,519 |
| 1341 | Carroll County | Maryland | -0.1% | 176,677 |
| 1342 | Jim Wells County | Texas | -0.1% | 38,804 |
| 1343 | Putnam County | West Virginia | -0.1% | 56,885 |
| 1344 | Clark County | Arkansas | -0.1% | 20,938 |
| 1345 | Houston County | Texas | -0.1% | 22,316 |
| 1346 | Branch County | Michigan | -0.1% | 45,993 |
| 1347 | Jefferson County | Texas | -0.1% | 254,321 |
| 1348 | Buchanan County | Missouri | -0.1% | 83,540 |
| 1349 | Panola County | Texas | -0.1% | 23,018 |
| 1350 | Portsmouth city | Virginia | -0.1% | 96,777 |
1830 ranked entries.