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 |
|---|---|---|---|---|
| 1401 | Beckham County | Oklahoma | -0.1% | 22,159 |
| 1402 | Cass County | Texas | -0.1% | 28,651 |
| 1403 | Acadia Parish | Louisiana | -0.1% | 57,032 |
| 1404 | Lewis County | New York | -0.1% | 26,479 |
| 1405 | Napa County | California | -0.1% | 132,949 |
| 1406 | Story County | Iowa | -0.1% | 101,291 |
| 1407 | Washington County | Rhode Island | -0.1% | 129,795 |
| 1408 | Jefferson County | Alabama | -0.1% | 665,742 |
| 1409 | Ouachita Parish | Louisiana | -0.1% | 158,542 |
| 1410 | Mobile County | Alabama | -0.1% | 411,658 |
| 1411 | Lane County | Oregon | -0.1% | 381,584 |
| 1412 | Denver County | Colorado | -0.1% | 740,613 |
| 1413 | Preble County | Ohio | -0.1% | 40,664 |
| 1414 | Polk County | Texas | -0.1% | 53,434 |
| 1415 | Beaufort County | North Carolina | -0.1% | 44,670 |
| 1416 | Dougherty County | Georgia | -0.1% | 82,616 |
| 1417 | Howard County | Indiana | -0.1% | 83,904 |
| 1418 | Alcorn County | Mississippi | -0.1% | 34,569 |
| 1419 | Logan County | Illinois | -0.1% | 27,182 |
| 1420 | Klamath County | Oregon | -0.1% | 70,274 |
| 1421 | Tillamook County | Oregon | -0.1% | 27,384 |
| 1422 | Jackson County | Indiana | -0.1% | 47,370 |
| 1423 | Otsego County | Michigan | -0.1% | 26,080 |
| 1424 | St. Charles Parish | Louisiana | -0.1% | 50,586 |
| 1425 | Clinton County | Missouri | -0.1% | 21,661 |
| 1426 | Stutsman County | North Dakota | -0.1% | 21,414 |
| 1427 | Calvert County | Maryland | -0.1% | 94,484 |
| 1428 | Honolulu County | Hawaii | -0.1% | 988,703 |
| 1429 | Mahaska County | Iowa | -0.1% | 21,880 |
| 1430 | Sutter County | California | -0.1% | 98,787 |
| 1431 | Talbot County | Maryland | -0.1% | 38,238 |
| 1432 | Tioga County | Pennsylvania | -0.2% | 40,502 |
| 1433 | Calhoun County | Michigan | -0.2% | 133,408 |
| 1434 | Orleans County | New York | -0.2% | 39,825 |
| 1435 | San Juan County | New Mexico | -0.2% | 120,340 |
| 1436 | Greene County | New York | -0.2% | 47,238 |
| 1437 | Roscommon County | Michigan | -0.2% | 23,914 |
| 1438 | Franklin County | Virginia | -0.2% | 55,526 |
| 1439 | Shelby County | Texas | -0.2% | 24,286 |
| 1440 | Itawamba County | Mississippi | -0.2% | 24,152 |
| 1441 | Tehama County | California | -0.2% | 64,665 |
| 1442 | Lake County | California | -0.2% | 67,772 |
| 1443 | Brown County | South Dakota | -0.2% | 37,561 |
| 1444 | San Diego County | California | -0.2% | 3,282,248 |
| 1445 | Jackson County | Wisconsin | -0.2% | 20,999 |
| 1446 | Chambers County | Alabama | -0.2% | 34,253 |
| 1447 | Titus County | Texas | -0.2% | 31,563 |
| 1448 | Fayette County | Texas | -0.2% | 25,459 |
| 1449 | Franklin County | Maine | -0.2% | 30,824 |
| 1450 | Garrett County | Maryland | -0.2% | 28,370 |
1830 ranked entries.